Publications/Lectures

Hiller, J.; Liese, V.; Morck, T. (2022): Phosphorus recovery from wet sludge - An option analysis in the context of the requirements of the Sewage Sludge Ordinance. Correspondence Wastewater, Waste, Vol. 69, No. 10, 840 - 855, 2022.

Fathul Mahdariza, Ignacio Domingo Rimoldi, Jochen Henkel, Tobias Morck (2022): A new concept of a rotating hollow fiber membrane module: Impact of rotation on fine-bubble aeration. Water Science & Technology, Vol. 85, No. 9, pp. 2737-2747, DOI: https://doi.org/10.2166/wst.2022.144

Hana Atallah Al-asad; Janna Parniske; Jueying Qian; Jens Alex; Sreenivasan Ramaswami; Korbinian Kaetzl; Tobias Morck (2022): Development and application of a predictive model for advanced wastewater treatment by adsorption onto powdered activated carbon Volume 217, 15 June 2022, 118427, DOI: 10.1016/j.watres.2022.118427.

Telgmann, Ursula (2022) "Elimination of phosphorus by flocculation filtration and extension of the process for parallel elimination of organic micropollutants in a GAK filter" Water - Wastewater - Environment, Volume 47, DOI: 10.17170/kobra-202205096154.

Saif, Samah Mahmood Abdo (2022) "Assessment of Rainwater Harvesting Potentiality in the Blue Nile Basin Based on Open-Access Data" Water - Wastewater - Environment, Vol. 46, DOI: 10.17170/kobra-202203235917

Morck, T.; Henkel, J.; Mahdariza, F.; Rimoldi, D. (2021): Rotating hollow fiber membrane bioreactor - Impact of rotation on oxygen transfer. 14th Aachen Conference on Water Technology, accompanying book, Aachen.

Drensla, K.; Hoven, F.; Wiegmann, B.; Schier, W.(2021): Aeration tank volume and operating parameters on MBR plants - Applicable design approaches and future potential. 14th Aachen Conference on Water Technology, accompanying book, Aachen.

Aboelnga, H.T. (2021): Assessment framework for urban water security. Water - Wastewater - Environment, Publication Series of the Department of Urban Water Management, Vol. 45, Kassel University Press, ISBN 978-3-7376-0960-9.

Garbowski, M. (2021): Arsenic removal with ultra-low pressure filtration (ULPUF) combination processes for water treatment in developing countries. Water - Wastewater - Environment, Publication Series of the Department of Urban Water Management, Vol. 44, Kassel University Press, ISBN 978-3-7376-0959-3.

Ching P. M. L.; So, R. H. Y.; Morck, T. (2021): Advances in soft sensors for wastewater treatment plants: a systematic review. Journal of Water Process Engineering, Vol. 44, 2021, 102367, ISSN 2214-7144, 10.1016/j.jwpe.2021.102367, https://doi.org/10.1016/j.jwpe.2021.102367

Liese, V.; Schier, W.; Emmert, S.; Felmeden, J. (2021): Evaluation of operational results and experiences for the most extensive phosphorus elimination. Water - Wastewater - Environment, Publication Series of the Department of Urban Water Management, Vol. 43, Kassel University Press, ISBN 978-3-7376-0957-9.

Baumann, P.; Morck, T.; Diehm, B. (2021): Discharges from wastewater treatment plants during heat and low water situations in water bodies. WATER MANAGEMENT, 06/2021

Garbowski, M.; Liese, V.; Wimmer, L. (2021): Condensates from gas pressure regulating and metering systems. gwf Wasser | Abwasser, 05/2021.

Reichert, G.; Hilgert, S.; Alexander, J.; de Azevedo, J.C.; Morck, T.; Fuchs, S.; Schwartz, T. (2021): Determination of antibiotic resistance genes in a WWTP-impacted river in surface water, sediment and biofilm: Influence of seasonality and water quality. Science of the Total Environment, 768, 10 May 2021. doi: 10.1016/ j.scitotenv.2020.144526

Telgmann, U.; Borowska, E.; Felmeden, J.; Frechen, F.-B. (2020): The locally resolved filtration process for removal of phosphorus andmicropollutants with GAC. Journal of Water Process Engineering 35 (2020) 101236.

Garbowski, M.; Frechen, F.-B.; Felmeden J. (2019): Arsenic elimination from drinking water by combining adsorption on finely dispersed materials with ultra low pressure (ULP) ultrafiltration. 13th Aachener Tagung Wassertechnologie: Verfahren der Wasseraufbereitung und Abwasserbehandlung (ed. Wessling, M.), Mainz GmbH Verlag, Aachen, 2019, ISBN 978-3-95886-305-7.

Trapp, J.H.; Hanke, St.; Riechel, R.; Defner, J.; Zimmermann, M.; Stein, M.; Felmeden, J.; Franz, A. (2019):Lebensqualität und Daseinsvorsorge durch interkommunale Kooperation. Difu, Berlin, 2019

Dinkel W., Frechen F.-B., Garbowski M., Loebelt N. (2019):Mathematical model approach to estimate the volumetric mass transfer coefficient. gwf - Wasser|Abwasser - Ausgabe 5 2019, pp. 61 - 74. Vulkan-Verlag GmbH, 2019, ISSN 0016-3651 www.gwf-wasser.de/produkte/2019-mathematischer-modellansatz-zur-abschaetzung-des-volumetrischen-stoffuebergangskoeffizienten/

Felmeden J., Beckers T., Quadflieg A., Weiß H.: Leitbild Trinkwasserversorgung Rhein-Main-Gebiet. Water and Waste - Issue 4 2019, pp. 48 - 57. Wiesbaden: Springer Vieweg, 2019 https://www.springerprofessional.de/leitbild-trinkwasserversorgung-rhein-main-gebiet/16651214

Nyga, I.; Lück, A.; Raber, W.; Hillenbrand, Th.; Zimmermann, M.; Eller, M.; Eismann, C.; Möller, K.; Felmeden, J.; Langer, M.; Urban, W.J.F. (2018): Framework concepts for the integrated assessment of urban water management systems. gwf - Wasser|Abwasser - 159 (1), pp. 71 - 80, 2018.

Dao, N.T. (2018): Development of a Decentralized Drinking Water Treatment Plant Based on Membrane Technology for Rural Areas in Vietnam. Water - Wastewater - Environment. Publication Series of the Department of Urban Water Management, Vol. 42. Kassel University Press. 2018, ISBN 978-3-7376-0516-8.

Andrade, J.A.O. (2018): Small-scale water supply system (SSS) for remote and rural areas in developing countries. Water - Sanitation - Environment. Publication series of the department of urban water management, vol. 41. Kassel University Press. 2018, ISBN 978-3-7376-0550-2.

Trinh, T.G.C. (2017): Flood-related health risk assessment: a case study in Hoi An City, Quang Nam province, Vietnam. Water - Sanitation - Environment. Publication series of the department of urban water resources management, vol. 40. Kassel University Press. 2017, ISBN 978-3-7376-0364-5.

Exler, H. (2016): Performance of ultra-low pressure ultrafiltration (ULPUF) for decentralized water treatment in emergency and disaster situations. Water - Wastewater - Environment. Publication series of the department of urban water management, vol. 39. Kassel University Press. 2016, ISBN 978-3-7376-0106-1

FG SWW (2016): Testing and optimization of a simple membrane filtration device for the treatment of potable water from surface waters for small groups of people in emergency situations without external energy (3rd phase) with the aim of readiness for series production, Water - Wastewater - Environment. Publication Series of the Department of Urban Water Management, Vol. 38. Kassel University Press. 2016, ISBN 978-3-7376-0112-2.

Drensla, K. (2015): Chemical purification of submerged low-pressure hollow fiber membranes on large-scale municipal MBR plants. Water - Wastewater - Environment. Publication series of the Department of Urban Water Management, Vol. 37. Kassel University Press. 2015., ISBN 978-3-7376-0038-5

Brügging, E. (2013): Reactions in light liquid separators during inflow of bioethanol and ethyl tertiary butyl ether-gasoline mixtures.. Water - wastewater - environment. Publication series of the Department of Urban Water Management, vol. 36. Kassel University Press. 2013., ISBN 978-3-86219-738-5

Felmeden, J. (2013): Phosphorus retention in combined sewer treatment by retention soil filters.Water - wastewater - environment. Publication series of the Department of Urban Water Management, Vol. 33. Kassel University Press. 2013., ISBN 978-3-89958-610-7.

Telgmann, U.; Frechen, F.-B. :Foams in wastewater and water - chemical analysis and factors for foam formation. In: gwf-water wastewater, pp. 330-339, March 2013, ISSN 0016-3651.

FG SWW:Optimization of the mechanical pre-treatment stage of municipal wastewater treatment processes, Water - wastewater - environment. Publication series of the department of urban water management, vol. 34. Kassel University Press. 2013. ISBN 978-3-86219-664-7.

Frechen, F.-B.:Emission reduction at sewage and wastewater treatment plants Proceedings of the VDI Knowledge Forum, Seminar "Odors in outdoor air - measuring, evaluating, mitigating", Stuttgart, 14-15.05.2013.

Exler, H.; Telgmann, U.; Frechen, F.-B.:Influence of dissolved organic compounds (EPS) on the hydraulic performance of membranes In: gwf-water wastewater, pp. 716-722, June 2013, ISSN 0016-3651.

Frechen, F.-B.:Control of odor and corrosion in sewer systems Proceedings of the DWA sewage treatment plant days Bad Soden im Taunus, 18-19.06.2013.

FG SWW:Retention soil filters (RBF) in Hesse - supplementary investigations on phosphorus and heavy metal retention, Water - Wastewater - Environment. Schriftenreihe des Fachgebiets Siedlungswasserwirtschaft, Band 35. Kassel University Press. 2013. ISBN 978-3-86219-666-1.

Rouault, P.; Schwarzböck, T.; Frey, M.; Giebel, S.; Frechen, F.-B.:Multigas-sensor systems for sewer odour measurement - Evaluation of four different E-noses based on tests under realistic conditions Proceedings of the 7th International Conference on Sewer Processes & Networks, 28-30.08.2013, Sheffield, UK.

Frechen, F.-B.:International developments in membrane technology In: 10th Aachen Conference on Water and Membranes, October 29-30, 2013, Aachen, Germany, pp. 21-28, ISBN 3-8107-0178-5.

Frechen, F.-B.; Schier, W.; Romaker, J.; Ordonez, J.A.; Grigo, M.:The Ultra Low Pressure Ultra-Filtration Process (ULPUF) for Decentralized Water Supply in Emergency Situations - Principle and Practical Experiences In: 10th Aachen Conference on Water and Membranes, October 29-30, 2013, Aachen, Germany, pp. 83-93 , ISBN 3-8107-0178-5.

Frechen, F.-B.; Schier, W.; Ordonez, J. A.; Romaker, J.; Grigo, M.:3 years of practice experiences with the waterbackpack PAUL - case studies from Colombia, Bénin, and others In: Proceedings of the International Membrane Science & Technology Conference, 25-29 Nov 2013, Melbourne, Australia.

Frechen, F.-B.; Schier, W.; Ordonez, J. A.; Romaker, J.; Grigo, M.:The Ultra Low Pressure Ultrafiltration ULPUF for Decentralized Water Supply in Cases of Emergency In: Proceedings of the International Membrane Science & Technology Conference, 25-29 Nov 2013, Melbourne, Australia.

Frechen, F.-B.; Schier, W.:Performance and costs of the membrane bioreactor process (MBR process) In: DWA Water Economics Course O/2 "Municipal Wastewater Treatment", pp. 219-248. DWA, Hennef, 2012, ISBN 978-3-942964-59-3.

Zheng, X., Yu, M., Liang, H., Qi, L., Zheng, H., Exler, H., Schier, W., Frechen, F.-B.:Membrane technology for municipal drinking water plants in China: Progress and prospect Desalination and Water Treatment volume 49, issue 1-3, year 2012, pp. 281 - 295, ISSN 1944-3994/1944-3986; DOI: 10.1080/19443994.2012.719337.

Frechen, F.-B.; Giebel, S.M.:Odour emission measurement of liquids and the need for electronic noses In: Hazardous Substances - Clean Air, pp. 418-424, October 2012, ISSN 0949-8036.

Frechen, F.-B.:Evaluation of Odour Emission Capacity (OEC) measurement data for preparation of the new VDI Guideline 3885 part 1 In: Chemical Engineering Transactions, Vol. 30, pp. 19-24 NOSE2012 3rd International Conference on Environmental Odour Monitoring and Control, 2012, ISBN 9788895608211; ISSN 1974-9791; DOI:10.3303/CET1230004.

Schwarzböck, T.; Frey, M.; Rouault, P.; Skirlo, H.; Giebel, S.; Frechen, F.-B.; Schmitt, R.; Waschnewski, J.; Hartman, A.:Can Electronic Noses Be Used to Control Odour Abatement Measures in Sewers? - Approach by Testing 4 Multigas-sensor Systems Under Realistic Conditions In: Chemical Engineering Transactions, Vol. 30, pp. 127-132, NOSE2012 3rd International Conference on Environmental Odour Monitoring and Control, 2012, ISBN 9788895608211; ISSN 1974-9791; DOI:10.3303/CET1230022.

Frechen, F.-B.:New Findings on Mixed Water Treatment in Retention Soil Filters: Performance, Nutrients, Hygiene In: DWA-WaterEconomics-Course O/1 "Drainage concepts" 07. - 09.03.2012, Kassel, ISBN 978-3-942964-35-7.

Frechen, F.-B.:Odor Emissions from Drainage Networks In: DWA-WaterEconomics-Course O/1 "Drainage concepts", pp. 276ff. DWA, Hennef, 2012, ISBN 978-3-942964-35-7.

Schier, W.; Drensla, K.; Janot, A.; Exler, H.; Engelhardt, N.; Frechen, F.-B.:Mechanical pre-treatment (MPT) - revitalised by MBR process In: Water Science & Technology, (66), pp 2524-2532, IWA Publishing 2012, doi: 10.2166/wst.2012.416

Frechen, F.-B.:Odor measurement of liquids - the new VDI guideline 3885/1 In: VDI Reports 2141, "Odors in the Environment," Baden-Baden, November 29-30, 2011, pp 67-78, VDI-Verlag, Düsseldorf 2011, ISBN 978-3-18-092141-9.

Giebel, S.M.; Frechen, F.-B.; Rainer, M.:Prediction of odor concentration - evaluation of a multi-sensor array by calibration of the stochastic model with the neural network In: VDI Reports 2141, "Odors in the Environment," Baden-Baden, November 29-30, 2011, pp. 239-242, VDI-Verlag, Düsseldorf 2011, ISBN 978-3-18-092141-9.

Richter, C.-J.; Mannebeck, D.; Frechen, F.-B.; Gorlt, A.; Juergens, C.; Mainx, C.; Maiwald, B.; Müller, F.; Vossen, F.:Sampling at point, area and volume sources: The new VDI guideline 3880 In: VDI Reports 2141, "Odors in the Environment," Baden-Baden, November 29-30, 2011, pp. 55-65, VDI-Verlag, Düsseldorf 2011, ISBN 978-3-18-092141-9.

Franke, W.: Biofilters as a component of combined exhaust air treatment processes in wastewater management , Water - Wastewater - Environment. Publication series of the department of urban water management, vol. 32. Kassel University Press. 2011, ISBN 978-3-86219-170-3 Frechen, F.-B.; Exler, H.:Technical decision criteria for decentralized or centralized wastewater treatment plants In: DWA WasserWirtschafts-Kurs N/6 "Wastewater disposal in rural areas", October 12-14, 2011, Kassel, Germany, ISBN 978-3-942964-08-1.

Frechen, F.-B.:Odor from the sewer - what to do? Ernst & Sohn Special 2011, October 2011, A 61029

Frechen, F.-B., Giebel, S.M.:The new VDI guideline 3885/1 for OEC measurement and why we might need electronic noses PETrA 2011 - Pollution and Environment - Treatment of Air, 17. - 19.05.2011, Prague.

Frechen, F.-B.:Membrane plants in wastewater technology In: Know H2OW, catalog for wat+Wasser Berlin International 2011 - Fachkongress der Wasserwirtschaft, May 02 - 05, 2011, Berlin.

Frechen, F.-B.:Prevention of odor pollution from industrial wastewaters In: DWA WasserWirtschafts-Kurs N/5 Treatment of Industrial and Commercial Wastewater Kassel, March 2-4, 2011, DWA, Hennef, 2011, ISBN 978-3-941897-75-5.

Frechen, F.-B., Exler, H.:Long-term behavior of a gravity-driven dead end membrane filtration unit for potable water supply in cases of disasters Water Science & Technology: Water Supply, Vol 11 No 1 pp 39-44, IWA Publishing 2011, ISSN 1606-9749, doi: 10.2166/ws.2011.006

Dinkel,W.; Frechen, F.-B., Kljavlin, M.:Kinetics of anaerobic glycerol degradation using sulfate-reducing bacteria Chemie Ingenieur Technik, ISSN: 1522-2640.

Brüggemann,T.; Kleimann,J.; Kulisch,H.; Reiser M.; Frechen,F.-B.:Application of odor filters in wastewater manholes - results of comparative product tests Aachener Schriften zur Stadtentwässerung, Vol. 14, Aachen 2010, ISBN 978-3-938996-07-2.

Frechen F.-B.; Exler, H.:Water in our world and drinking water supply in cases of disasters in: "bluefacts", Internationales Magazin für die Wasserwirtschaft / International Journal of Water-Management, DVGW energie | wasser-praxis, September 2010

Dinkel,W.; Frechen, F.-B.; Dinkel, A.; Smirnov, Ju.; Kalyuzhnyi, S.:Kinetics of Anaerobic Biodegradation of Glycerol by Sulfate-Reducing Bacteria Applied Biochemistry and Mircobiology, 2010, Vol. 46, No7, pp712-718, © Pleiades Publishing, Inc, 2010, ISSN 0003-6838.

Dinkel,W.; Frechen, F.-B., Schier, W.:Anaerobic Purification Process for the Treatment of Industrial Wastewater Containing Heavy Metals and Sulfates TU Bergakademie Freiberg, Scientific Communications of the Institute of Geology, No. 42, ISSN: 1433-1284.

Frechen F.-B.; Exler, H.; Romaker, J.:Use of Membranes for a Small & Simple Unit to provide Potable Water in Cases of Disaster for Small Villages In: Conference Proceedings of the International Conference on Membrane Bioreactors (MBR) for Wastewater Treatment, Bangkok, Thailand, April 26-27, 2010, pp 7-15, ISBN: 978-974-401-794-9.

Frechen F.-B.; Schier, W.; Exler, H.; Ohme, M.:Mechanical pre-treatment (MPT) on Municipal MBR plants In: Conference Proceedings of the International Conference on Membrane Bioreactors (MBR) for Wastewater Treatment, Bangkok, Thailand, April 26-27, 2010, pp 207-216, ISBN: 978-974-401-794-9.

Giebel, S.; Romaker, J.; Frechen, F.-B.:Application of configural frequency - analysis of sensory dating for determining the sulfide load Bull Soc Sci Med Grand Duche Luxemb. 2010;Spec No 1(1):69-75.

Frechen, F.-B.:Odour and VOCs: Measurement, Regulation and Control, Water - wastewater - environment. Schriftenreihe des Fachgebiets Siedlungswasserwirtschaft, Band 31. Kassel University Press. 2009, ISBN 978-3-89958-608-4.

FG SWW:Retention soil filter in Hesse, Water - Wastewater - Environment. Publication Series of the Department of Urban Water Management, Volume 29. Kassel University Press. 2009, ISBN 978-3-89958-604-2

FG SWW: Construction of a simple membrane filtration device (prototype) for the treatment of drinking water from surface water for small groups of people in emergency situations without external energy, Water - Wastewater - Environment. Publication Series of the Department of Urban Water Management, Volume 25. Kassel University Press. 2009, ISBN 978-3-89958-159-1

Frechen, F.-B.:Verification of the effectiveness of pit filters 3rd VDI Symposium "Odors in the Environment", November 25-26, Baden-Baden, Germany.

Frechen, F.-B.:Submerged membrane bioreactors for municipal wastewater treatment: standards, design and market considerations In: 2009 Taiwan Water Industry Conference Proceedings, ISBN 978-986-02-0437-7.

Wett, M.; Telgmann, U.; Frechen, F.-B.:Investigation of extracellular polymeric substances in conventional activated sludge plants and membrane bioreactors In: gwf Wasser - Abwasser, 150th Jg, Issue 11/2009, pp. 926-934, ISSN 0016-3651.

Frechen, F.-B.; Exler, H.; Romaker, J.; Schier, W.:Long-term performance of a gravimetrically operated membrane module for water treatment in disaster situations - Water Backpack In: 8th Aachen Conference on Water and Membranes, Aachen, 2009, W9, ISBN 3-8107-0064-9.

Schier, W.; Exler, H.; Ohme, M.; Frechen, F.-B.; Drensla, K.; Janot, A.; Engelhardt, N.:Holistic view of mechanical wastewater pretreatment (MAV) on municipal membrane activated sludge plants. In: 8th Aachen Conference on Water and Membranes, Aachen, 2009, A11, ISBN: 3-8107-0064-9.

Frechen, F.-B.; Schier, W.:Performance and cost of the membrane activated sludge process In: DWA Water Economics Course N/2 Municipal Wastewater Treatment, pp. 226-252, Hennef, 2009, ISBN 978-3-941089-96-9.

Frechen, F.-B.; Franke, W.:Biofiltration: From past to future - scientific view Biotechniques for Air Pollution Control, September 29, 2009, Delft/NL , ISBN 978-0-415-58270-4.

Frechen, F.-B.:MBR Applications: Case Studies and New Approaches 5th IWA Specialized Membrane Technology Conference, 1-3. Semptember 2009, Beijing, Proceedings 5th IWA Specialized Membrane Technology Conference

Schier, W.; Frechen, F.-B.; Drensla, K.; Janot, A.; Engelhardt, N.; Exler, H.; Ohme, M.:Holistic view at mechanical pre-treatment on municipal MBR plants 5th IWA Specialized Membrane Technology Conference, 1-3 Semptember 2009, Beijing, Proceedings 5th IWA Specialized Membrane Technology Conference.

Dinkel,W.; Frechen, F.-B.; Dinkel, A.; Smirnov, Ju.; Kalyuzhnyi, S.:Kinetics of Anaerobic Biodegradation of Glycerol by Sulfate-Reducing Bacteria (КИНЕТИКА АНАЭРОБНОГО РАЗЛОЖЕНИЯ ГЛИЦЕРИНА) Journal: Biotechnology (Биотехнология)/RU, 2009, No. 5, pp54-62, ISSN 0234-2758.

Frechen, F.-B.:Major Items and Outcomes of the CEN Workshop Agreement N° 34 on Submerged Membrane Bioreactor (MBR) Technology In: Final MBR-Network Workshop "Salient outcomes of the European R&D projects on MBR technology", Book of Proceedings, 31 March - 1 April 2009, Berlin, Germany, ISBN 978-3-9811684-5-7.

Frechen, F.-B.:CEN Workshop Agreement (CWA) on Submerged Membrane Bioreactor (MBR) Technology: CWA 15897 In: Final MBR-Network Workshop "Salient outcomes of the European R&D projects on MBR technology", ed. B. Lesjean and T.O. Leiknes, Berlin, 2009, ISBN 978-3-9811684-5-7.

Frechen, F.-B.; Schier, W.:Membrane filtration in wastewater treatment In: Wiener Mitteilungen "Wasser, Abwasser, Gewässer", Vol. 212 "New challenges to water quality management", pp. 239 to 264, ed. O.Univ.Prof. Dipl.-Ing. Dr.techn. Dr.h.c. Helmut Kroiss. Vienna University of Technology, Institute for Water Quality, Resource Management and Waste Management, ISSN 0279-5349, ISBN 978-3-85234-104-0.

Frechen, F.-B.; Franke, W.:Odor emissions from drainage networks In: DWA water economics course N/1 - drainage concepts. pp. 349-388. DWA, Hennef 2009, ISBN 978-3-941089-55-6.

Frechen, F.-B.; Waldhoff, A.:New insights into combined sewage treatment in retention soil filters: performance, nutrients, hygiene In: DWA water economics course N/1 - drainage concepts. pp. 231 -255. DWA, Hennef 2009, ISBN 978-3-941089-55-6.

Frechen, F.-B.:10 Years of OEC measurement: Methodology, application, results and future development In: Water - Wastewater - Environment. Schriftenreihe des Fachgebiets Siedlungswasserwirtschaft, Vol. 31. Kassel University Press. 2009, ISBN 978-3-89958-608-4

Schier, W.; Frechen, F.-B.; Fischer, St.:Efficiency of mechanical pre-treatment on European MBR plants Desalination 236 (2009) 85-93. Elsevier, 2009., doi:10.1016/j.desal.0000.00.000.

FG SWW:Membrane filtration in Hesse - Part 2 Water - Wastewater - Environment. Publication series of the department of urban water management, vol. 24. Kassel University Press. In press. 2008. ISBN 978-3-89958-158-4

Frey, M.:Investigation on sulfide formation and on the efficiency of odor minimization by adding additives in wastewater treatment plants Water - Wastewater - Environment. Publication Series of the Department of Urban Water Management, Vol. 28. Kassel University Press. 2008. ISBN 978-3-89958-453-0.

Waldhoff, A.:Hygienization of mixed water in retention bottom filters (RBF) Water - Wastewater - Environment. Publication Series of the Department of Urban Water Management, Volume 30. Kassel University Press. 2008., ISBN 978-3-89958-606-0

Giebel, S.M.; Frechen, F.-B.; Franke, W.:Detection of an "odorous substance" based on the metric odor profile in "electronic noses" using shape analysis In: Lorber K. E., Kreindl. G., Menapace, H., Müller, P., Sager, D., Wruss, K. (eds.) DepoTech 2008, Proceedings of the 9th DepoTech Conference, Leoben, 12.11.08 - 14.11.08, 2008 , ISBN 978-386797-028-0.

Franke, W.; Frechen, F.-B.; Giebel; S.:H2S, VOC, TOC, Electronic noses and odour concentration: Use and comparison of different parameters for emission measurement Water Science & Technology-WST, 2009, Vol. 59, No. 9, pp. 1721ff, ISSN 0273-1223, doi:10.2166/wst.2009.127.

Frechen, F.-B.; Exler, H.:Technical decision criteria for decentralized or centralized wastewater treatment plants In: DWA water economics course M/6 - wastewater disposal in rural areas. P. 23-47. Hennef 2008, ISBN 978-3-941089-31-0.

Schier, W.; Frechen, F.-B.:Efficiency of mechanical pre-tratment (MPT) on European MBR plants IWA Conference "Design and operation of membrane plants for water, wastewater and industrial water", Amsterdam, 1-2 Oct. 2008.

Frechen, F.-B.:Odor emissions from wastewater treatment plants: Basics, measurement techniques, emission potentials In: Challenges for urban water management. Berichte zur Siedlungswasserwirtschaft No. 26, ed. Prof. Dr.-Ing. M. Barjenbruch, Berlin 2008, ISBN 978-3-936812-26-8

Frechen, F.-B.:Emission of Odours from Sewer Systems - Countermeasures and Quantification of their Efficiency - In: Chemical Engineering Transactions, Volume 15, 2008 "NOSE2008 1st International Conference on Environmental Odour Monitoring and Control - July, 6-8, 2008, Rome, Italy", Ed: AIDIC Assoziazions Italiana Di Ingegneris Chimica, ISBN 978-88-95608-09-9

Frechen, F.-B.:State of the Art and Main Challenges of Odour Control in Wastewater Systems 5th Leading-Edge Conference and Exhibition on Water and Wastewater Technology, June 1-4, 2008, Zurich, Switzerland.

Frechen, F.-B.:Status of European Standardization concerning Submerged Membrane Bioreactor (MBR) Technology - CEN Workshop 34 14th European Water, Wastewater and Solid Waste Symposium 5-9 May 2008, Munich, Germany

Frechen, F.-B.:Prevention of odour pollution from industrial wastewaters in: DWA-WasserWirtschaftsKurs M/5 - Treatment of industrial and commercial wastewater. Kassel, March 5-7, 2008. DWA, Hennef 2008. pp. 133 to 155, ISBN 978-3-940173-58-4.

Frechen, F.-B.; Schier, W.; Linden, C.:Mechanical wastewater pretreatment on municipal membrane bioreactors KA Correspondence Wastewater, Waste 2008 (55), no. 1, pp. 39-44, ISSN 1616-430X.

Schier, W.; Frechen, F.-B.; Fischer, St.:Investigations on the performance of screens on European membrane bioreactors In: Membrane technology in water and wastewater treatment, 7th Aachen Conference on Water and Membranes. October 30-31, 2007. Aachen 2007. pp. A24-1 to A24-13, ISBN 3-86130-888-6.

Franke, W.; Frechen, F.-B.; Scholl, B.:Use of mineral filter materials in biological wastewater treatment to reduce odorous substances and hydrogen sulfide. In: VDI Conference Odors in the Environment, Bad Kissingen, Nov. 13-14, 2007. VDI Reports 1995, pp. 381 to 386, ISBN 978-3-18-01995-9.

Frechen, F.-B.:Odor characterization of liquids using the odor emission potential GEP: methodology and application In: VDI Conference Odors in the Environment, Bad Kissingen, 13-14.11.2007. VDI Reports 1995, pp. 361 to 369, ISBN 978-3-18-01995-9.

Giebel, S.M.:Determination of odor profiles by sensor arrays: Application in sewer systems In: VDI Conference Odors in the Environment, Bad Kissingen, Nov. 13-14, 2007. VDI Reports 1995, pp. 397 to 402, ISBN 978-3-18-01995-9.

Giebel, S.M.:Estimation of odorant concentration by sensor arrays: Comparison between logistic regression and neural networks VDI Conference Odors in the Environment, Bad Kissingen, 13-14.11.2007. VDI Reports 1995, pp. 389 to 395, ISBN 978-3-18-01995-9.

Frechen, F.-B.; Exler, H.:Membrane technology for wastewater reuse and potable water supply in disaster situations In: Schriftenreihe zur Wasserwirtschaft, TU Graz, Vol. 50, "dex Fachsymposium 2007 "Wastewater discharge, wastewater and sewage sludge treatment", pp. E1 to E21, ISBN 978-3-902465-82-5.

Frechen, F.-B.; Franke, W.; Scholl, B.:Odour and H2S degradation in a full scale biofilter with a mineral based organic coated filter media. Biotechniques for air pollution control, Proceedings of the II International Congress on Biotechniques for Air Pollution Control, A Coruña, Spain, 3-5.10.2007, p. 53-58, ISBN 978-84-9749-258.

Frechen, F.-B.:Is Decentralization Low-tech or High-tech ? In: "Water Supply and Sanitation for All", p. 281 to 292. Berching 2007. ed. Hans G. Huber, Prof. Dr. Peter Wilderer, Dr. Stefania Paris, ISBN 13978-1-84339-514-0, ISSN 1476-1785.

Frechen, F.-B.:Odor emissions from wastewater treatment plants - basics, measurement techniques, odor emission potentials In: Wiener Mitteilungen "Wasser, Abwasser, Gewässer", Vol. 205 "Corrosion and odor problems in sewers", pp. 29 to 41, ed. Univ.Prof. Dipl.-Ing Dr.techn. Norbert Matschè, Vienna University of Technology, Institute for Water Quality, Resource Management and Waste Management, 20 June 2007, ISSN 0279-5349, ISBN 978-3-85234-097-5.

Frechen, F.-B.; Schier, W.; Linden, C.:Pre-Treatment of Municipal MBR Applications 4th International Water Association Conference on Membranes for Water and Wastewater Treatment, 15-17 May 2007, Harrogate.

Schier, W. et al. (DWA Working Group KA-7.4):Upgrading and Retrofitting of Wastewater Treatment Plants by Means of Membrane Bioreactor (MBR) Technology 4th International Water Association Conference on Membranes for Water and Wastewater Treatment, 15-17 May 2007, Harrogate.

Feldhaus, R.; Frechen, F.-B.; Frey, M.; Mertsch, V.; Poppe, A.:Combating odor emissions in sewers by dosing odor-reducing substances In: FH Köln, Research Report 2006. pp. 67 to 70.

Stuetz, R.; Frechen, F.-B.:Quantifying Odour Emissions from Sewer Systems impacted by Food Wastes University of New South Wales, Australia, 2006

Frechen, F.-B.:Performance and cost of the membrane activated sludge process In: DWA-WasserWirtschaftsKurs M/2 - Municipal wastewater treatment. Kassel, p. 11-1 to 11-17. DWA, Hennef 2006, ISBN10: 3-939057-58-4, ISBN13: 978-3-939057-58-1

Frechen, F.-B.; Schier, W.; Wett, M.:Pre-Treatment at Municipal MBR Applications in Germany - Current Status and Treatment Efficiency Water Practice & Technology-WPT, 2006, Vol 1 No 3, doi: 10.2166/WPT.2006057

Frechen, F.-B.; Poppe, A.:Odor generation and abatement measures in sewer systems In: Aachener Schriften zur Stadtentwässerung, Vol. 9, "7th Cologne Sewer Colloquium 2006", pp. 14/1 to 14/19, ed. Prof. Dr.Ing. J. Pinnekamp, Institute for Urban Water Management of RWTH Aachen University, September 7, 2006, ISBN 3-938 996-02-1, ISBN 978-3-938 996-02-7.

Frechen, F.-B., Frey, M.:Preventive measures against odor emissions from drainage networks DWA-WasserWirtschaftsKurs M/1 - Drainage concepts. Kassel, March 8-10, 2006. DWA 2006. p. 19-1 to 19-33, ISBN10: 3-939057-22-3, ISBN13: 978-3-939057-22-2

Frechen, F.-B.; Schier, W.; Felmeden, J. (Speaker):The Plant-Covered Retention Soil Filter (RSF): The Mechanical and Biological Combined Sewer Overflow (CSO) Treatment Plant In: Engineering in Life Sciences, Wiley-VCH, Vol. 6 - No. 1, Feb. 2006, pp 74-79, ISSN 1618-0240.

Frechen, F.-B.; Schier, W.:Future of Membrane Filtration - Technical-Scientific and Administrative Aspects Membrane technology in wastewater management. Excerpts of the lectures given at the Membrane Days, June 21-23, 2005, Osnabrück. DWA 2006. p. 148 to 161, ISBN10: 3-939057-09-6, ISBN13: 978-3-939057-09-3

Schier, W.; Frechen, F.-B.:Mechanical Wastewater Pretreatment in Municipal Membrane Activation Plants Membrane technology in wastewater management. Excerpts of the lectures given at the Membrane Days, June 21-23, 2005, Osnabrück. DWA 2006. pp. 78 to 95, ISBN10: 3-939057-09-6, ISBN13: 978-3-939057-09-3.

FG SWW:Membrane filtration in Hesse - Part 1 Water - Wastewater - Environment. Publication Series of the Department of Urban Water Management, Volume 23. Kassel University Press, 2005, ISBN 3-89958-040-0.

Wett, M.:Fouling behavior of the membrane activated sludge process and effects on performance Water - Wastewater - Environment. Publication Series of the Department of Urban Water Management. Volume 26. Kassel University Press, 2005, 254 pp. Approved dissertation., ISBN 3-89958-160-1

Wett, M.; Frechen, F.-B.; Schier, W.:Analysis of membrane fouling of municipal membrane activated sludge plants In: "Membrane technology in water and wastewater treatment: perspectives, new developments and operational experiences in Germany and abroad", 6th Aachen Conference on Urban Water Management and Process Engineering (6th ATSV), October 25-26, 2005. Aachen 2005. pp. A24-1 to A24-21, ISBN 3-86130-775-8.

Frechen, F.-B.; Frey, M.:Technical decision criteria for decentralized or centralized wastewater treatment plants DWA-WasserWirtschaftsKurs L/6 - Wastewater disposal in rural areas. Kassel, October 12-14, 2005. DWA 2005. p. 3-1 to 3-26, ISBN 3-939057-00-2

Felmeden, J.:RBF plants Fulda, Perfgebiet, Oberelsungen - status of research work In: 10th Kassel Symposium on Urban Water Management - Research for Practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Volume 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

Franke, W.:Odor concept for the Emscher wastewater treatment plant In: 10th Kassel Symposium on Urban Water Management - Research for Practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Volume 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

Frechen, F.-B.:Odor emissions: Basics and measurement technology In: 10th Kassel Symposium on Urban Water Management - Research for Practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Volume 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

Frechen, F.-B.:Membrane Activation Processes for Municipal Wastewater Treatment In: 10th Kassel Symposium on Urban Water Management - Research for Practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Vol. 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

FG SWW:Research for practice 10th Kassel symposium on urban water management - research for practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Volume 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

Frey, M.:Reduction of odor emissions using the example of the Cologne/Mönchengladbach sewer project In: 10th Kassel Symposium on Urban Water Management - Research for Practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Volume 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

Schier, W.:Wastewater pretreatment in the membrane activated sludge process In: 10th Kassel Symposium on Urban Water Management - Research for Practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Volume 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

Waldhoff, A.:Water supply for disaster situations In: 10th Kassel Symposium on Urban Water Management - Research for Practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Volume 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

Wett, M.,:Influence of membrane fouling on the hydraulic performance of the membrane activated sludge process In: 10th Kassel Symposium on Urban Water Management - Research for Practice. Publication series "Water - Wastewater - Environment" of the Department of Urban Water Management. Vol. 27, Kassel University Press, 2005, ISBN 3-89958-161-X.

Feldhaus, R.; Frechen, F.-B.; Frey, M.; Mertsch, V.; Poppe, A.:Effectiveness and efficiency of dosing strategies in gravity sewers for the prevention of odor nuisance abwasserforum köln. Journal for Wastewater Technology, Issue 14, October 2005, pp. 26 to 33, ISSN 1612-7439

Frechen, F.-B.; Schier, W.; Felmeden, J. (Speaker):Design and construction of plant-covered retention soil filter (RSF) In: 10th International Conference on Urban Drainage, August 21-26, 2005, Copenhagen/Denmark, Abstract collection, 2005, ISBN 8789220-80-3.

Frechen, F.-B.; Schier, W.; Felmeden, J. (Speaker):Plant-covered retention soil filter (RSF) Fulda Fellenweg for advanced CSO treatment - a ten year field report In: 10th International Conference on Urban Drainage, August 21-26, 2005, Copenhagen/Denmark, Abstract collection, 2005, ISBN 8789220-80-3.

Frechen, F.-B.; W. Schier, M. Wett; A. Waldhoff:The "unconventional" low TS membrane technology Documentation on the 13th European Water, Wastewater and Waste Symposium, 25-29 April 2005 in Munich, DWA, Hennef, pp. 57 to 81, ISBN 3-937758-58-5.

Frechen, F.-B.; W. Schier, M. Wett; A. Waldhoff:The "unconventional" low MLSS Membrane Technology Documentation of the 13th European Water, Wastewater and Solid Waste Symposium, 25th to 29th April 2005 in Munich, DWA, Hennef, pp. 55 to 78, ISBN 3-937758-58-5.

Frechen, F.-B.:Prevention of odor pollution from industrial wastewater DWA-WasserWirtschaftsKurs L/5 - Treatment of industrial and commercial wastewater. Kassel, March 9 to 11, 2005. DWA 2005. pp. 13-1 to 13-30, ISBN 3-937758-69-0

Frechen, F.-B.:Odor Emissions from Sewage Systems - Basics, Causes, Measures, New Developments VEDUNIA - from the "Third Man" into the Third Millennium, Vienna, October 28 and 29, 2004.

Frechen, F.-B.:Odor emissions from wastewater systems In: Hamburger Berichte zur Siedlungswasserwirtschaft, eds: Gulyas, H. and Otterpohl, R., TU Hamburg-Harburg, Vol. 46, 2004, p. 101, ISBN 3-930400-67-7.

Frechen, F.-B.; Schier, W.; Felmeden, J.:Retention soil filters - Functionality, construction and operating experience In: "Stormwater treatment - Requirements for planning, construction and operation", Schriftenreihe Siedlungswasserwirtschaft Bochum 2004, Vol. 47, p. 153, ISSN 0178-0980.

Dinkel, W.; Frechen, F.-B.; Dinkel, A.; Kljavlin, M.; Smirnov, Y.:Biochemical Method for Removal of Heavy Metal Containing Industrial Wastewater Proceedings of ECWATECH-2004. Moscow, 607-608, 2004.

Dinkel, W.; Frechen, F.-B.; Dinkel, A.; Kljavlin, M.; Smirnov, Y.:Biochemical Method for Removal of Heavy Metals from Industrial Waste Waters Galvanotehnika i obrabotka poverhnostei (Russian journal "Electroplating and Surface Treatment") 3, pp. 22-28, 2004.

Frechen, F.-B.; Schier, W.:Membrane filtration for wastewater treatment in Hesse: Environmental Alliance Hesse - Companies and Authorities in Dialogue KA Correspondence Wastewater, Waste 2004 (51) No. 4, pp. 358-359, ISSN 1616-430X

Frechen, F.-B.:Importance of membrane technology for future municipal wastewater treatment GWA Gewässerschutz - Wasser - Abwasser, Aachen, 2004, Vol. 193, pp. 11/1 to 11/12, ISBN 3-932-590-86-4

Frechen, F.-B.; Felmeden, J.:Retention soil filters for combined wastewater treatment in Hesse: Environmental Alliance Hesse - Companies and Authorities in Dialogue KA Correspondence Wastewater, Waste 2004 (51) No. 1, pp. 22-24, ISSN 1616-430X

Frechen, F.-B.; Frey, M.; Wett, M.; Löser, C.:Aerodynamic Performance of a Low Speed Wind Tunnel Water Science & Technology-WST, 2004, Vol. 50, No. 4, pp 57-64, ISSN 0273-1223.

Frechen, F.-B.:Odour Emission Inventory of German Wastewater Treatment Plants - Odour Flow Rates and Odour Emission Capacity Water Science & Technology-WST, 2004, Vol. 50, No. 4, pp 139-146, ISSN 0273-1223

Schier, W.:An exemplary approach to the integration of design routes and new treatment technologies in the upgrading of wastewater treatment plants Water - Wastewater - Waste. Schriftenreihe der Fachgebiete Siedlungswasserwirtschaft und Abfallwirtschaft der Universität Kassel, Vol. 22, Kassel 2003. approved dissertation. , ISBN 3-89958-039-7 / ISSN 0930-5459

Frechen, F.-B.; Schier, W.; Wett, M.:Upgrading of municipal wastewater treatment plants by using membrane filtration In: "Membrane Technology in Water and Wastewater Treatment - Perspectives, New Developments and Operational Experiences in Germany and Abroad", 5th Aachen Conference on Urban Water Management and Process Engineering, IVT Aachen, 2003, ISBN 3-921955-28-9.

Frechen, F.-B.:Odors from the sewer 3R International (42), Issue 8/2003, p 521, ISSN 0340-3386

Frechen, F.-B.; Funke, M.; Wett, M.; Waldhoff, A.:ATV-DVWK Water Economy Course L/1 "Drainage Concepts Correspondence Wastewater 50, No. 7, 2003, ISSN 1616-430X

Frechen, F.-B.; Frey, M.:Preventive measures against odor emissions from drainage networks In: "Drainage concepts", ATV-DVWK-WasserWirtschafts-Kurs L/1, Kassel, 5 to 7 March 2003, ed.: ATV-DVWK, Hennef, 2003. pp. 571 to 598, ISBN 3-924063-41-9.

Born, W.:Advanced combined sewer treatment in soil filter basins Water - Wastewater - Waste. Approved dissertation. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 21, Kassel 2002, ISSN 0930-5459.

Mang, J.:Integrated planning of stormwater treatment plants with the help of simulation models - solution approaches and instructions for action Water - wastewater - waste. Approved dissertation. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 20, Kassel 2002.

Frechen, F.-B.:Prevention of odor pollution from industrial effluents In: "Treatment of industrial and commercial wastewater", ATV-DVWK advanced training course K/5 for water quality management and wastewater technology, Kassel, March 13 to 15, 2002; Ed.: ATV-DVWK, Hennef 2002. pp. 13-1 to 13-30, ISBN 3-935 669-88-7

Frechen, F.-B.:Odor measurement and quantification In: Schriftenreihe des ISWW Karlsruhe, Vol. 105 "Geruchsemissionen", ed.: H.H. Hahn and J. Kraus, p. 3, Karlsruhe 2001, ISBN 3-9807000-8-9

Frechen, F.-B.:Membrane filtration for the upgrading of wastewater treatment plants in Hesse in: "Membrane Technology in Water and Wastewater Treatment - Perspectives, New Developments and Operational Experiences in Germany and Abroad", 4th Aachen Conference on Urban Water Management and Process Engineering, IVT Aachen, 2001, ISBN 3-921955-25-4

Frechen, F.-B.:Prediction of odorous emissions In: Odours in Wastewater Treatment - Measurement, Modelling and Control, edited by R. Stuetz & F.-B. Frechen, p. 201, IWA Publishing, London, 2001, ISBN 1 900222 46 9

Frechen, F.-B.:Regulations and Policies In: Odours in Wastewater Treatment - Measurement, Modelling and Control, edited by R. Stuetz & F.-B. Frechen, p. 16, IWA Publishing, London, 2001, ISBN 1 900222 46 9

Stuetz, R.; Frechen, F.-B.:Odours in Wastewater Treatment - Measurement, Modelling and Control IWA Publishing, London, 2001, ISBN 1 900222 46 9

Born,W.; Möller, S.; Sobirey, A.; Frechen, F.-B. :Performance and design of intermediate clarifiers Correspondence Wastewater 48, no. 1, 2001, ISSN 1616-430X.

Telgmann, U.; Frechen, F.-B. :Downstream denitrification with methanol in an upflow biofilter Correspondence on wastewater 47, no. 9, 2000, ISSN 0341-1540

Born, W.; Lambert, B.; Frechen, F.-B.; Hohl, E. :Bottom filter basins for advanced combined sewer treatment - Five years of operating experience with the Fulda Fellenweg pilot plant Correspondence Wastewater 47, no. 1, 2000, ISSN 0341-1540.

Frechen, F.-B.:Odour measurement and odour policy in Germany Water Science & Technology-WST, 2000, Vol. 41, No. 6, pp. 17-24, ISSN 0273-1223

Born, W.; Frechen, F.-B. :Investigation of some aspects of the design of horizontal flow secondary clarifiers Correspondence Wastewater 46, No. 12, 1999

Frechen, F.-B.:Anaerobic treatment of biowaste - odour emissions and control technologies at a full size treatment plant 7th International Landfill Symposium, Cagliari, Sardinia, October 1999, in: Proceedings 7th International Landfill Symposium, Proceedings, Volume V, p. 421, CISA, Cagliari, Sardinia, 1999.

Frechen, F.-B.:Determination of and measures against odour emissions from sewerage systems 11th European Sewage and Refuse Symposium, Liquid wastes section, p. 181, GFA, 1999.

Frechen, F.-B.:Odour pollution from industrial wastewater in: "Treatment of industrial and commercial wastewater", ATV advanced training course I/5 for water quality management and wastewater technology, Fulda, March 10-12, 1999; ed.: ATV, Hennef 1999 (no ISBN), book without ISBN

Frechen, F.-B.; Köster, W. :Odour Emission Capacity of Wastewaters - Standardization of Measurement Method and Application Water Science & Technology-WST, 1998, Vol. 38, No. 3, pp. 61-68, ISSN 0273-1223; ISBN 0 08 043391 X

Fischer, J.:Influence of combined sewer discharges on the metabolic balance and biocoenosis of small streams in rural areas Water - waste water - waste. Approved dissertation. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Vol. 19, Kassel 1998.

Frechen, F.-B. :Effect of Aerobic Treatment on Odour Emissions - Results from Large-Scale Technical Plant Operation Sixth Intern. Landfill Symposium, Cagliari, Sardinia, October 1997, in: Proceedings Sixth Intern. Landfill Symposium, Cagliari, Vol. 1, p. 555ff, 1997, CISA, Cagliari/Italy

FG SWW:Wastewater Treatment, Water Protection and Water Management on the Threshold of the 21st Century 9th Kassel Symposium on Urban Water Management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 18, Kassel 1997, ISSN 0930-5459.

Bendzuck, Chr:Studies on the dependence of enhanced biological phosphate elimination on temperature and substrate supply Water - Wastewater - Waste. Publication Series of the Departments of Sanitary Engineering and Waste Management of the University of Kassel, Volume 17, Kassel 1997, ISSN 0930-5459

FG SWW:Ecological and technical advice on wastewater and sewage sludge treatment in the face of tight budgets 8th Kassel symposium on urban water management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 16, Kassel 1996, ISSN 0930-5459.

Mehlhart, G.:Contribution to the planning and dimensioning of nitrogen elimination in trickling filter plants Water - Wastewater - Waste. Schriftenreihe der Fachgebiete Siedlungswasserwirtschaft und Abfallwirtschaft der Universität Kassel, Band 15, Kassel 1996. approved dissertation. , ISSN 0930-5459

FG SWW:Comparative studies on increased biological phosphorus elimination Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 14, Kassel 1995. approved dissertation. , ISSN 0930-5459

Bendzuck, Chr:Large-scale studies on upstream and cascade denitrification in comparison with design according to A 131 and on the influence of lime-phosphate precipitation on sludge Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 12, Kassel 1995, ISSN 0930-5459.

FG SWW:Thermal sewage sludge treatment - planning, technology and experience 7th Kassel symposium on urban water management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 13, Kassel 1994, ISSN 0930-5459.

FG SWW:Ecological water remediation in the area of conflict between nature and culture 6th Kassel symposium on urban water management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 11, Kassel 1993, ISSN 0930-5459.

Borchardt, D.:Effects of impulsive loads on selected stream organisms - A contribution to the assessment of ecological damage caused by stormwater discharges from sewer systems Water - Wastewater - Waste. Publication Series of the Departments of Sanitary Engineering and Waste Management of the University of Kassel, Volume 10, Kassel 1992, ISSN 0930-5459

Reiff, H.:Growth and erosion of the screen skin in combined sewers Water - Wastewater - Waste. Publication Series of the Departments of Sanitary Engineering and Waste Management of the University of Kassel, Volume 9, Kassel 1992, ISSN 0930-5459.

FG SWW:Measurement and control in wastewater engineering: planning - execution - operation 5th Kassel symposium on urban water management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 8, Kassel 1992, ISSN 0930-5459.

FG SWW:Requirements for stormwater treatment in combined sewers 4th Kassel symposium on urban water management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 7, Kassel 1991, ISSN 0930-5459.

Lüken, B. O.:Phenomena of hydraulic conductivity of permanently hydromorphic soil matrices - Investigation of a boundary condition in root zone systems Water - Wastewater - Waste. Publication Series of the Departments of Sanitary Engineering and Waste Management of the University of Kassel, Volume 6, Kassel 1990, ISSN 0930-5459.

FG SWW:State of the art in the prevention of hazardous substances in wastewater disposal 3rd Kassel symposium on urban water management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 5, Kassel 1989, ISSN 0930-5459.

FG SWW:Treatment of landfill leachate 1st Waste Seminar of the Department of Urban Water Management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Vol. 4, Kassel 1988, ISSN 0930-5459.

Wolf, P.; Eck-Düpont, M.:Operation and economic efficiency of cogeneration at small and medium-sized wastewater treatment plants in Hesse Water - wastewater - waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 3, Kassel 1988, ISSN 0930-5459.

FG SWW:Planning aids for advanced wastewater treatment and sewage sludge disposal 2nd Kassel symposium on urban water management. Water - Wastewater - Waste. Publication series of the departments of urban water management and waste management of the University of Kassel, Volume 2, Kassel 1988, ISSN 0930-5459.

FG SWW:Nitrogen and phosphorus in flowing waters - state of knowledge and consequences for wastewater treatment 1st Kassel symposium on urban water management. Water - Wastewater - Waste. Publication Series of the Departments of Urban Water Management and Waste Management of the University of Kassel, Volume 1, Kassel 1986, ISSN 0930-5459

Morck, T.: Impact of climate change on municipal wastewater structures. Abwasserkolloquium 2022, Universität Stuttgart, 20.10.2022.

Telgmann, U.: Combined elimination of phosphorus and micropollutants with granulated activated carbon (GAK). 31st Magdeburg Wastewater Days, 16.09.2022.

Morck, T.; Laner, D.; Kätzl, K.; Wachendorf, M.; Wagner, R.: CirCles - Circular economy of urban residual biomass via innovative utilization routes. Challenges of Sustainability Research, Kick Off - Conference of the Kassel Institute for Sustainability, University of Kassel, 14.09.-16.09.2022.

Morck, T.: Thinking ahead about the elimination of trace substances at municipal wastewater treatment plants - New impulses from research and practice. DWA Regional Association Conference Hesse/Rhineland-Palatinate/Saarland, Frankenthal, 13.07.2022.

Parniske, J.; Morck, T.: Modeling of trace substance elimination in adsorption stages with dust collection operation. 28th SIMBA Meeting 2022, 17/18.05.2022.

Morck, T.: Energy efficiency and climate protection - potentials in wastewater management. Meeting of the teachers and obleuteurs of the DWA neighborhoods in Baden-Württemberg, Stuttgart, 06./07.04.2022.

Morck, T.; Baumann, P.: Co-treatment of combined sewage at wastewater treatment plants. Module 4, RÜB seminars, DWA-Baden-Württemberg, Heilbronn, 10.11.2021.

Morck, T.; Henkel, J.; Mahdariza, F.; Rimoldi, D.: Rotating hollow fibre membrane bioreactor - Impact of rotation on oxygen transfer. 14th Aachen Conference on Water Technology, 02./03.11. 2021.

Drensla, K.; Hoven, F.; Wiegmann, B.; Schier, W.: Aeration tank volume and operating parameters on MBR plants - Applicable design approaches and future potential. 14th Aachen Conference on Water Technology, 02./03.11. 2021.

Garbowski, M. : Extension of low pressure ultrafiltration plants with electrocoagulation for arsenic removal. 14th Aachen Conference on Water Technology, 02./03.11. 2021

Abbt-Braun, G.; Morck, T.; Gomez Scholz, S.; Frimmel, F. H.; Horn, H. (2021): Organic matter in effluents from wastewater treatment plants - an analytical approach.^20th Conference of the International Humic Substances Society, Virtual Global Conference, 15 - 27 August 2021.

Reichert, G.; Hilgert, St.; Alexander, J.; Rodrigues de Azevedo, J.C.; Morck, T.; Fuchs, St.; Schwartz, Th.: Occurrence of antibiotic resistance genes and their relationship with water quality. In: Symposium for European Freshwater Sciences 12, Dublin, Ireland. 10F_RS11 Fundamental and applied freshwater ecology, July 30, 2021.

Morck, T.: Presentation of the performance certificate with energy check. Meeting of teachers and chairmen of the DWA neighborhoods in Baden-Württemberg, Leinfelden-Echterdingen, April 21, 2021.

Schier, W.: Ammonium situation of wastewater treatment plants in Hesse - status and perspective. 10th Joint Supervisors' and Officers' Day 2021 of the DWA Regional Association Hesse/Rhineland-Palatinate/Saarland, Wiesbaden, 10.03.2021.

Liese, V.: Farthest P-elimination under the aspect of cost-efficiency, precipitant use and salinization. 9th Joint Supervisors' and Officers' Day 2020 of the DWA Regional Association Hesse/Rhineland-Palatinate/Saarland, Wiesbaden-Naurod, 04. to 06.02.2020.

Telgmann, U.: Flocculation filtration in activated carbon filter as 4th treatment stage for simultaneous elimination of phosphorus and micropollutants. IWAU Seminar, 29.01.2020

Schier, W.; Telgmann, U.; Felmeden, J.: Multi-stage RBF technology for phosphorus, heavy metal and trace contaminant elimination from MWÜ/RWÜ. Aqua Urbanica 2019, Rigi Kaltbad (Switzerland), 09-10.09.2019.

Schier, W.; Telgmann, U.; Felmeden, J.: Intensified Constructed Wetlands for CSO/SSO-treatment to achieve immission-oriented thresholds for phosphorus, micro pollutants and priority substances according to WFD. 8th International Symposium on Wetland Pollutant Dynamics and Control - WETPOL, Aarhus (Denmark), 17-21.06.2019.

Garbowski, M. : Drinking water supply in developing countries under the aspect of arsenic pollution. Lecture event "Our unquenchable thirst" on the occasion of the UN World Water Day 2019, Engineers without Borders, University of Kassel, 22.03.2019.

Müller-Schaper, J.: Planning and construction of plants for handling sewage sludge and phosphorus. Information event of FG SWW and Regierungspräsidium Kassel, Kassel, 07.03.2019.

Felmeden, J.: Sewage sludge utilization and phosphorus recycling in NordOstHessen (NOH) - Implementation of a feasibility study, Information event of FG SWW and Regierungspräsidium Kassel, Kassel, 03/07/2019.

Schier, W.; Telgmann, U.; Felmeden, J.: Elimination of Phosphorus and Micropollutants in multi-stage plant-covered Retention Soil Filter Plants (RSFP) for CSO, 16th IWA Conference on Wetland Systems for Water Pollution Control, Valencia (Spain), 01-04.10.2018.

Frechen, F.-B.: Odor emissions from drainage networks DWA-WasserWirtschafts-Kurs Q/1, drainage concepts/remediation planning, Kassel, 28.02-02.03.2018.

Schier, W.: Study "MiLa" on the micro-pollutant situation of the Lahn, information event for the Hessian water authorities, Regierungspräsidium Gießen, 25.10.2017.

Frechen, F.-B.; Schier, W.: Upgrade separate MBR wwtp to reduce energy, fouling and operational problems with a new MLSS management strategy 8th IWA Membrane Technology Conference & Exhibition for Water and Wastewater Treatment and Reuse, Singapore, 05.-09.09.2017.

Frechen, F.-B.: Emission reduction at sewerage and wastewater treatment plants VDI-Technical Forum "Odors in the outdoor air - measuring, evaluating, reducing", Raunheim, 05.04.2017.

Schier, W.: Study "MiLa" - Micro pollutants Lahn, final presentation, Regierungspräsidium Gießen, 24.03.2017.

Frechen, F.-B.: Odor pollution from industrial wastewater DWA WasserWirtschafts-Kurs P/5 - Behandlung von Industrie- und Gewerbeabwasser, Kassel, 01.-03.03.2017.

Schier, W.: Process combination of membrane bioreactor technology (MBR) with anaerobic sludge stabilization, Netzwerk Membrantechnik, Neunkirchen-Seelscheid, September 7, 2016.

Frechen, F.-B.: Decentralized water supply in emergencies and for permanent use, "Water, Waste & Energy - Environmental and Supply Chain Management (WE-Chain II)". DAAD seminar "Alumni Special Project IFAT Munich 2016", Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, 23 - 28 May 2016.

Frechen, F.-B.: Emission Reduction at Sewerage and Wastewater Treatment Plants VDI-Technical Forum "Odors in Outdoor Air - Measuring, Evaluating, Reducing", Düsseldorf, April 12-13, 2016.

Frechen, F.-B.: Modern odor and corrosion management IKT workshop - Odors from the sewer from cause to control, Gelsenkirchen, April 7-8, 2016.

Frechen, F.-B.: Odor : modeling vs. odor perception - problems and inconsistencies of an evaluation system Fachtagung Emissionsbeurteilung Landwirtschaft Raumberg-Gumpenstein, Irdning/Austria, March 15, 2016.

Schier, W.: Performance and costs of the membrane bioreactor process (MBR process) DWA-WasserWirtschafts-Kurs O/2 "Kommunale Abwasserbehandlung", Kassel, 06.11.2015.

Frechen, F.-B.: Energy recovery from wastewater and wastewater treatment The 4th International Conference on Environmental Simulation and Pollution Control, Beijing, 3rd November, 2015.

Frechen, F.-B.; Schier, W.: Less fouling, energy consumption, operational problems with MLSS management strategy in separate MBR systems 11th Aachener Tagung Wassertechnologie, Aachen, 27.10.2015 Frechen, F.-B.: Odor emissions from wastewater treatment plants: fundamentals and measurement techniques ÖWAV - "Geruchsemissionen aus Abwasseranlagen", Vienna, 23.06.2015

Frechen, F.-B.: Geruchsemissionen aus Kanal und Kläranlage - Stand der Arbeiten am neuen konsolidierten Merkblatt DWA-M 154 - Neue Entwicklungen im Bereich "Geruch" 2nd DWA-KläranlagenTage - "Mess- und Regelungstechnik in abwassertechnischen Anlagen (MSR)", Kassel, 10.06.2015.

Frechen, F.-B.; Schier, W.: Multi-stage process technology in retention soil filters: P and SM retention, priority substances DWA workshop "Retention soil filters - maintenance and operation", Grünberg, 05.05.2015.

Frechen, F.-B.: Emission reduction at sewers and wastewater treatment plants VDI-Technical Forum "Odors in the outdoor air - measuring, evaluating, reducing", Stuttgart, 29.04.2015.

Frechen, F.-B.: Modern odor and corrosion management in sewers and wastewater treatment plants 6th Reichersberg Environment Day, Stuttgart, 03/26/2015.

Frechen, F.-B.: Bologna since 1971 - Experiences from and with the Kassel Model WasserBerlin 2015, Berlin, 24.03.2015.

Frechen, F.-B.; Schier, W: Mixed water treatment in retention soil filters performance, nutrients, hygiene, new developments DWA-WasserWirtschafts-Kurs P/1 "Entwässerungskonzepte", Kassel, 05.03.2015.

Frechen, F.-B.: Odor emissions from drainage networks DWA-WasserWirtschafts-Kurs P/1 "Entwässerungskonzepte", Kassel, 05.03.2015.

Frechen, F.-B.: Technical decision criteria for decentralized or centralized wastewater treatment plants DWA WasserWirtschafts-Kurs O/6 "Wastewater disposal in rural areas", Kassel, 5 - 7 November 2014.

Frechen, F.-B.: Combating odor and corrosion in the sewer system DWA WasserWirtschafts-Kurs O/6 "Wastewater disposal in rural areas", Kassel, November 5 - 7, 2014.

Frechen, F.-B.: Two-stage Retention Soil Filter (RSF) Workshop "Ecotechnologies for treatment of variable wastewater and stormwater flows" Aachen, October 8th - 10th, 2014.

Frechen, F.-B.: Modern odor and corrosion management 15th Cologne Sewer and Wastewater Treatment Plant Colloqium, Maternushaus Cologne, October 01 - 02, 2014.

Frechen, F.-B.:Emission reduction at sewer and wastewater treatment plants VDI-Technical Forum "Odors in the outdoor air - measuring, evaluating, reducing", Frankfurt, 13 - 14.05.2014.

Frechen, F.-B.; Schier, W.:Prevention of odor pollution from industrial effluents DWA WasserWirtschafts-Kurs O/5 Treatment of industrial and commercial wastewater, Kassel, March 5 - 7, 2014.

Frechen, F.-B.:Considerations on Sampling and Measurement of Odours (VDI 3880 & VDI 3885/1) and enoses 1st International Seminar on Environmental Odour Management, Santiago, Chile, 4-5 March 2014.

Frechen, F.-B.; Ohme, Mel.; Schier, W.:Less energy demand, fouling and operational problems with MLSS management strategy in separate MBR systems MBR Workshop Gunsan/South Korea, Feb. 12-13, 2014.

Frechen, F.-B.:Emission reduction in sewerage and wastewater treatment plants VDI Wissensforum, Seminar "Odors in outdoor air - measuring, evaluating, mitigating", Stuttgart, May 14-15, 2013.

Frechen, F.-B.:Combating odor and corrosion in sewer systems Presentation at the DWA Sewage Treatment Plant Days, Bad Soden im Taunus, June 18-19, 2013.

Frechen, F.-B.:International developments in membrane technology 10th Aachen Conference on Water and Membranes, October 29-30, 2013, Aachen, Germany.

Frechen, F.-B.:Energy in wastewater treatment plants 2nd Information Day Wastewater - Wasserverbandstag e.V., Jan. 25, 2012, Hannover, Germany

Frechen, F.-B.:Odor problems at wastewater disposal plants Presentation at the 2nd Information Day Wastewater/Water Association Day e.V., Hannover, January 25, 2012.

Frechen, F.-B.:Odor emissions from drainage networks Lecture at the DWA-WaterEconomy-Course O/1 "Drainage concepts", Kassel, March 7-9, 2012.

Frechen, F.-B.; Schier, W.:New findings on mixed water treatment in retention soil filters: performance, nutrients, hygiene Presentation at the DWA-WasserWirtschafts-Kurs O/1 "Drainage concepts", Kassel, March 7-9, 2012.

Frechen, F.-B.:Emission reduction at sewerage and wastewater treatment plants Lecture to the VDI-Wissensforum, seminar "Odors in outdoor air - measuring, evaluating, mitigating", Mannheim, April 24-25, 2012.

Frechen, F.-B.:Seminar on odours Seminar "Odours", 28.08.2012, Santiago

Frechen, F.-B.:Evaluation of Odour Emission Capacity (OEC) measurement data for preparation of the new VDI Guideline 3885 part 1 Lecture at NOSE2012 - 3rd International Conference on Environmental Odour Monitoring and Control, 23-26 September 2012, Palermo/Italy.

Schier, W.:Performance and costs of the membrane bioreactor process (MBR process) Lecture at DWA-WasserWirtschafts-Kurs O/2 "Municipal Wastewater Treatment", Kassel, Germany, November 13-15, 2012.

Frechen, F.-B.:Short presentation of the planned investigations of the FG SWW of the University of Kassel DWA seminar "Retention soil filters - status, applications and future", Korbach, November 29, 2012.

Frechen, F.-B.; Schier, W.:Enhancing Separate MBR Systems (and CAS Systems) using Intermediate Sieving (IntS) Lecture at the 3rd IWA Regional Conference on Membrane Technology, 3-6 December 2012, Buenos Aires/Argentina.

Frechen, F.-B.; Giebel, S.M.:The new VDI guideline 3885/1 for GEP measurements and why we need electronic noses Seminar Wasser Abfall Umwelt Kassel, 27.01.2011 Seminar Water Waste Environment, Kassel, 27.01.2011

Frechen, F.-B.:Prevention of odor pollution from industrial wastewater DWA WasserWirtschafts-Kurs N/5 Treatment of industrial and commercial wastewater Kassel, March 2-4, 2011.

Giebel, S.M.; Rainer, M.; Frechen, F.-B.:Combining neural networks with statistical models to predict odor concentration 13th Workshop "Odor and Emissions from Plastics", Kassel, March 28-29, 2011.

Frechen, F.-B.:Odor emissions and the electronic nose 4th WH Environmental Law Day Air - Water - Soil - Waste, Hamm, March 31, 2011.

Frechen, F.-B.:Emission reduction at sewerage and wastewater treatment plants VDI-Wissensforum, Seminar "Odors in outdoor air - measuring, evaluating, reducing", Mannheim, April 11-12, 2011

Frechen, F.-B.:Membrane systems in wastewater technology wat+Wasser Berlin International 2011 - Water management congress, May 02 - 05, 2011, Berlin

Frechen, F.-B., Giebel, S.M.:The new VDI guideline 3885/1 for OEC measurement and why we might need electronic noses PETrA 2011 - Pollution and Environment - Treatment of Air, 17. - 19.05.2011, Prague.

Schier, W.:Anaerobic treatment process for the treatment of industrial wastewater containing heavy metals and sulfates German Day EXPO APA2011 "Industrial Wastewater Treatment", 14.06.2011; Bucharest

Frechen, F.-B.:Odor development during wastewater discharge - causes and prevention strategies DWA Info Day: avoid-recognize-remediate, 20.06.2011, Wiesbaden-Naurod

Frechen, F.-B.:New technical solutions for rural infrastructure Hofgeismarer Gespräche zur Gemeingüterwirtschaft - Der öffentliche Wasserersektor in Deutschland - ineffizient und reformbedürftig?, 28 - 29.06.2011, Hofgeismar

Frechen, F.-B.:Water worldwide: the situation - surviving disasters On the art of living, 20.08.2011, Berlin

Schier, W.:Mechanical pre-treatment (MPT) - revitalised by MBR process 11th IWA Specialised Conference "Design, Operation and Economics of Large Waste Water Treatment Plants", 04.-08.09.2011, Budapest, Hungary.

Frechen, F.-B.:Causes and prevention of odor emissions from sewers IKT Workshop - Odor nuisance from the sewer, 28.09.2011, Gelsenkirchen

Frechen, F.-B.:Odor emissions from wastewater and electronic noses YARA Seminar, 06.10.2011, Oberhausen

Frechen, F.-B.:Decentralised water supply: water in cases of emergencies, water in rural areas 6th IWA Specialist Conference on Membrane Technology for Water and Wastewater Treatment, 04. - 07.10.2011, Aachen, Germany

Frechen, F.-B.:Current developments in odor and odor abatement DWA Innovation Forum Water Management - From Research to Practice, 11.10.2011, Osnabrück, Germany

Frechen, F.-B.:Corrosion and odor problems in sewers - an introduction DWA Innovation Forum Water Management - From Research to Practice, 11.10.2011; Osnabrück, Germany.

Frechen, F.-B.; Exler, H.:Technical decision criteria for decentralized or centralized wastewater treatment plants DWA WasserWirtschafts-Kurs N/6 "Wastewater disposal in rural areas", 12 - 14 October 2011, Kassel.

Giebel, S.M., Rainer, M., Frechen, F.-B. :Forecasting the Odour Concentration using Electronic Noses and time series measurements by a Combination of Neural Networks and Stochastic Processes Presentation at the 4th IWA Specialized Conference on Odours and VOCs, Vitoria/Brazil, 17-21 October 2011.

Frechen, F.-B., Giebel, S.M.:OEC Measurement according to the new VDI Guideline 3885/1 and the need for Electronic Noses Presentation at the 4th IWA Specialized Conference on Odours and VOCs, Vitoria/Brazil, 17-21 October 2011.

Giebel, S.M.; Frechen, F.-B.; Rainer, M.:Prediction of Odorant Concentration - Evaluation of a Multi-Sensor Array by Calibration of the Stochastic Model with the Neural Network VDI Conference, "Odors in the Environment", Baden-Baden 29-30 November 2011.

Frechen, F.-B.:Odor measurement of liquids - the new VDI guideline 3885/1 VDI Conference, "Odors in the environment", Baden-Baden 29. and 30.11.2011.

Frechen, F.-B.:Odors in the environment - electronic noses for odor measurement Presentation at the "15th Wastewater Balance Brandenburg - Global Requirements, Regional Responses", Wildau, December 12, 2011.

Frechen, F.-B.:Measurements of the mode of action and effectiveness of manhole filters IKT product test "Manhole filter", Gelsenkirchen, January 19, 2010

Schier, W.:Upgrade concepts for the municipal wastewater treatment plant Calden Seminar on water, waste, environment, Kassel, Jan. 21, 2010

Glaser, M., Romaker, J., Maslennikow, N.:Filter materials for phosphorus and heavy metal elimination in retention bottom filters (RBF) Seminar Water, Waste, Environment, Kassel, 21.01.2010

Frechen, F.-B.:Upgrading CAS systems using MBR technology International Conference on Membrane Bioreactors (MBR) for Wastewater Treatment, Bangkok, Thailand, April 26-27, 2010.

Frechen F.-B.; Schier, W.; Exler, H.; Ohme, M.:Mechanical pre-treatment (MPT) on Municipal MBR plants International Conference on Membrane Bioreactors (MBR) for Wastewater Treatment, Bangkok, Thailand, April 26-27, 2010.

Frechen F.-B.; Exler, H.; Romaker, J.:Use of Membranes for a Small & Simple Unit to provide Potable Water in Cases of Disaster for Small Villages International Conference on Membrane Bioreactors (MBR) for Wastewater Treatment, Bangkok, Thailand, April 26-27, 2010.

Frechen, F.-B.:Emission reduction at wastewater treatment plants VDI-Wissensforum, Seminar "Odors in outdoor air - measuring, evaluating, reducing", Mannheim, Germany, April 27-28, 2010

Frechen, F.-B.:Innovative Technologies in Water Supply Conference of the company WILO, 28 April 2010, Kassel

Schier, W.:Anaerobic treatment process for treatment of industrial wastewater containing heavy metals and sulfates Lecture at the 61st Mining and Metallurgy Day, TU Bergakademie Freiberg, June 11, 2010.

Schier, W.:Mechanical wastewater pretreatment in membrane activated sludge plants DWA-Membrantage , Kassel, June 21-23, 2010.

Frechen, F.-B.:The new leaflet DWA-M 227 DWA-Membrantage , Kassel, June 21-23, 2010

Frechen, F.-B.:A simple gravity-driven membrane unit for potable water supply for small groups Water Technology for Difficult Circumstances, An SMTC Workshop held in conjunction with SIWW 2010, Singapore, 28th June

Frechen, F.-B.; Giebel, S.M.:The new VDI guideline 3885/1 for OEC measurement and why we might need electronic noses NOSE2010 - International Conference on Environmental Odour, Monitoring and Control, 22-24 September 2010, Florence, Italy.

Brüggemann, T.; Kleimann, J.; Kulisch, H.; Reiser; M.Frechen, F.-B.:Application of odour filters in wastewater manholes - results of comparative product tests 11th Cologne Sewer and Wastewater Treatment Plant Colloqium, 29-30 September 2010.

Schier, W.:MBR Process: Mechanical Pre-Treatment - Sieves and More... IWA MTWR 2010 - IWA Regional Conference and Exhibition on Membrane Technology and Water Reuse, Istanbul, Turkey,18-22 October 2010

Frechen, F.-B.; Wedi, D.:Do we design membrane bioreactors correctly? IWA MTWR 2010 - IWA Regional Conference and Exhibition on Membrane Technology and Water Reuse, Istanbul, Turkey,18-22 October 2010.

Schier, W.:Enhancing separate MBR by a new intermediate sieving (IntS) strategy IWA MTWR 2010 - IWA Regional Conference and Exhibition on Membrane Technology and Water Reuse, Istanbul, Turkey,18-22 October 2010

Frechen F.-B.; Romaker, J.; Exler, H.:After Haiti: a gravity-driven dead end membrane filtration unit for drinking water supply in cases of disasters IWA MTWR 2010 - IWA Regional Conference and Exhibition on Membrane Technology and Water Reuse, Istanbul, Turkey,18-22 October 2010.

Schier, W.:Mechanical wastewater treatment - all old hat? Seminar Water, Waste, Environment, 29.1.2009, University of Kassel, Germany

Franke, W.:Exhaust air treatment for odor reduction in single-stage biofilters - current process technology Seminar Water, Waste, Environment, 29.1.2009, University of Kassel

Frechen, F.-B.; Waldhoff, A.:New findings on mixed water treatment in retention soil filters: performance, nutrients, hygiene DWA-WaterEconomy-Course N/1 - Drainage concepts. Kassel, March 4-6, 2009.

Frechen, F.-B.; Franke, W.:Odor emissions from drainage networks DWA-WaterEconomics-Course N/1 - Drainage concepts. Kassel, March 4 to 6, 2009.

Frechen, F.-B.; Schier, W.:Membrane filtration in wastewater treatment New challenges for water quality management. Seminar of ÖWAV and TU Vienna. 18-19 March 2009, Vienna

Frechen, F.-B.; Franke, W.; Romaker, J.; Giebel, S.; Schiltz, J.:New findings on multi-sensor devices for odor detection and their use in a liquid analyzer 11th Workshop "Odour and Emissions of Plastic Materials", Kassel/Germany, 30-31 March 2009.

Frechen, F.-B.:CEN Workshop Agreement (CWA) on Submerged Membrane Bioreactor (MBR) Technology: CWA 15897 Presentation at the Final MBR-Network Workshop, 31 March - 1 April 2009, Berlin, Germany

Frechen, F.-B.:Major Items and Outcomes of the CEN Workshop Agreement N° 34 on Submerged Membrane Bioreactor (MBR) Technology Final MBR-Network Workshop "Salient outcomes of the European R&D projects on MBR technology", 31 March - 1 April 2009, Berlin, Germany

Frechen, F.-B.:Biogas powerplant for production of electricity and heat from anaerobic digestion of renewable vegetable raw material according to the German Renewable Energy Sources Act Presentation on the occasion of a BMBF organized Visit of International Experts, Research in Germany - Land of Ideas, 23 April 2009, Wettesingen, Germany

Frechen, F.-B.:Emission reduction at wastewater treatment plants VDI-Wissensforum, Seminar "Odors in Outdoor Air - Measuring, Evaluating, Mitigating". April 28-29, 2009, Mannheim, Germany

Schier, W.:Upgrading of wastewater treatment plants: Hybrid process solutions covering MBR technology 3rd Russian-German Seminar, May 13, 2009, UGNTU, Ufa, Russia.

Giebel, S.; Romaker, J.; Frechen, F.-B.:Application of configural frequency - analysis of sensory dating for determining the sulfide load Fourth Statistical Days at the University of Luxembourg, June 17-20, 2009

Schier, W.:Holistic view at mechanical pre-treatment on municipal MBR plants 5th IWA Specialized Membrane Technology Conference, 1-3 Semptember 2009, Beijing.

Exler, H.:Long-term performance of a small gravity-driven dead end membrane filtration unit for drinking water supply in cases of disasters 5th IWA Specialized Membrane Technology Conference, 1-3. Semptember 2009, Beijing

Frechen, F.-B.:MBR Applications: Case Studies and New Approaches 5th IWA Specialized Membrane Technology Conference, 1-3. Semptember 2009, Beijing

Frechen, F.-B.; Franke, W.:Biofiltration: From past to future - scientific view Biotechniques for Air Pollution Control, September 29, 2009, Delft/NL

Dinkel, W.; Frechen, F.-B.:Biochemical treatment of wastewater contaminated with heavy metals, sulfates and acids IUV-Colloquium "Production-integrated water/wastewater technology", Bremen, September 28/29, 2009

Frechen, F.-B.:Sampling of diffuse area sources Ecoma Workshop "Odor Laboratory - Practice for Users", September 30 - October 01, 2009, Hamburg

Frechen, F.-B.:Presentation of the Department of Sanitary and Environmental Engineering (DESEE) and Membrane Technology in Water and Wastewater Treatment for small and Megacities II. Forum on Innovation and Research Chile-Germany, 06 October 2009, Santiago de Chile

Schier, W.:Performance and cost of the membrane activated sludge process DWA-WaterEconomy-Course N/2 Municipal Wastewater Treatment, October 7-9, Kassel, Germany

Schier, W.:Holistic view of mechanical wastewater pretreatment (MAV) on municipal membrane activated sludge plants 8th Aachen Conference on Water and Membranes

Frechen, F.-B.; Exler, H.; Romaker, J.; Schier, W.:Long-term performance of a small gravity-driven dead end membrane filtration unit for drinking water supply in cases of disasters 8th Aachen Conference Water and Membranes, 27.+28.10.2009.

Frechen, F.-B.:Submerged membrane bioreactors for municipal wastewater treatment: standards, design and market considerations Taiwan Water Industry Conference 2009, 5-6.11.2009, Tainan/Taiwan

Frechen, F.-B.:The Department of Sanitary and Environmental Engineering (DESEE) / University of Kassel with special focus on membrane technology in water and wastewater treatment Lecture at ITRI (Taiwan)

Schier, W.:Biochemical elimination of heavy metals and sulfates from industrial wastewater German-Chilean Innovation Forum (BMBF) "Contaminated Sites and Waste from the Mining Industry in Chile", November 2-3, Valparaiso (Chile)

Frechen, F.-B.:Examination of the efficiency of manhole filters 3rd VDI symposium "Odors in the environment", November 25-26, Baden-Baden (Germany)

Dinkel, W.; Frechen, F.-B.:Biochemical treatment of wastewater contaminated with heavy metals and sulfates DWA/DECHEMA Industry Days on Water Technology, Fulda, 30.11./01.12.2009.

Frechen, F.-B.:Experiences from construction and operation of retention soil filters for combined wastewater treatment BWK Conference "Urban Water Management 2025 - Current Trends and Developments", Organizer: VFW, Mainz, 21.02.2008

Frechen, F.-B.:The OEC Measurement Method for Off-line and On-line Measurement of Odour and Sulphide in Liquids: Methodology, Application, Use of Electronic Noses The 7th International Symposium on Advanced Environmental Monitoring. Honolulu, HI, USA, February 25-28, 2008

Frechen, F.-B.:Prevention of Odour Pollution from Industrial Wastewaters DWA-WasserWirtschaftsKurs M/5 - Treatment of industrial and commercial wastewater. Kassel, Germany, March 5-7, 2008

Giebel, S.M.; Frechen, F.-B.; Franke, W.:Estimation of odor load using neural networks, logistic regression, discriminant analysis and answer trees 10th Workshop "Odor and Emissions from Plastics", Kassel, March 10-11, 2008.

Frechen, F.-B.:Activities in the EU towards standardization of Submerged Membrane Bioreactor technology for municipal wastewater treatment - CEN Workshop 34 and DWA guideline - The Japan Society on Water Environment Special MBR Symposium April 10th 2008, Tokyo, Japan, April 10, 2008.

Frechen, F.-B.:Emission reduction at wastewater treatment plants VDI-Wissensforum, Seminar "Odors in the outdoor air - measuring, evaluating, reducing", Mannheim, Germany, April 22/23, 2008

Frechen, F.-B.:Emission reduction in wastewater treatment plants Seminar at the Vienna University of Technology, April 28, 2008

Frechen, F.-B.:Status of European Standardization concerning Submerged Membrane Bioreactor (MBR) Technology - CEN Workshop 34 14th European Water, Wastewater and Solid Waste Symposium 5-9 May 2008, Munich

Frechen, F.-B.:State of the Art and Main Challenges of Odour Control in Wastewater Systems 5th Leading-Edge Conference and Exhibition on Water and Wastewater Technology, June 1-4, 2008, Zurich, Switzerland

Frechen, F.-B.:Odour in Wastewater Systems - Basics, OEC method, Application at the emscher:kanal - Presentation at SIAAP, 10 June 2008, Paris, France

Frechen, F.-B.:Future of Membrane Filtration 5th Membrane Days, DWA + DVGW, June 17-19, 2008, Kassel, Germany

Frechen, F.-B.:Membrane Activation Processes - the CEN Workshop Agreement (CWA) No. 34 "Submerged Membrane Bioreactor (MBR) Technology" and the new DWA Code of Practice "Membrane Activation Processes 5th Membrantage, DWA + DVGW, June 17-19, 2008, Kassel, Germany

Frechen, F.-B.:The Membrane Activation Process in Municipal Wastewater Treatment - Welcome and Introduction - 5th Membrantage, DWA + DVGW, June 17-19, 2008, Kassel, Germany

Frechen, F.-B.:Technical and structural measures to combat odors OdorVision 2008, University of Applied Sciences, Rapperswil, Switzerland, June 20, 2008

Frechen, F.-B.:Formation - and measurement - of odors in sewers and wastewater treatment plants OdorVision 2008, University of Applied Sciences, Rapperswil, Switzerland, June 20, 2008

Frechen, F.-B.:Emission of Odours from Sewer Systems - Countermeasures and Quantification of their Efficiency - NOSE2008 International Conference on Environmental Odour Monitoring and Control, Rome, Italy, 6-8 July 2008

Frechen, F.-B.:Odour Sampling Keynote lecture, NOSE2008 International Conference on Environmental Odour Monitoring and Control, Rome, Italy, 6-8 July 2008

Frechen, F.-B.; Franke, W.; Giebel, S.M.:Application of "electronic noses" for detection of explosives and drugs Empirical Police Research XI, Lübeck, Germany, 10-12 July 2008.

Giebel, S.M.; Frechen, F.-B.; Franke, W.:Application of Shape Analysis on Data of Electronic Noses to Detect Explosive Materials XV Congress of the International Society for Criminology, Barcelona, 20-25.7.2008.

Giebel, S.M.; Frechen, F.-B.; Franke, W.:Applying "electronic noses" to detect explosive material and drugs, French Romanian Mathematicians Conference, Brasov (Kronstadt), Romania 28.8-2.9.2008.

Frechen, F.-B.:Odor emissions from wastewater treatment plants: fundamentals, measurement techniques, emission potentials Challenges for urban water management. Symposium of the Department of Urban Water Management, TU Berlin, September 25-26, 2008.

Schier, W.:Efficiency of mechanical pre-tratment (MPT) on European MBR plants IWA Conference "Design and operation of membrane plants for water, wastewater and industrial water", Amsterdam, Oct. 1-2, 2008.

Frechen, F.-B., Exler, H.:A gravity-driven MF-system for water production in emergency cases IWA Conference "Design and operation of membrane plants for water, wastewater and industrial water", Amsterdam, Oct. 1-2, 2008.

Richter, C.-J.; Frechen, F.-B.:Sampling for olfactometric measurement: The new VDI guideline 3880 3rd IWA International Conference on Odour and VOCs: Measurement, Regulation and Control. Barcelona, 8-10 Oct. 2008.

Giebel, S.M.; Franke, W.; Frechen, F.-B.:Detection of an "odorous substance" based on the metric odor profile in "electronic noses" using shape analysis Forest Science Conference: Forest & climate - what to do? Baden-Baden, 9.10.2008

Frechen, F.-B.:10 Years of OEC measurement: Methodology, application, results and future development 3rd IWA International Conference on Odour and VOCs: Measurement, Regulation and Control. Barcelona, 8-10 October 2008.

Frechen, F.-B.; Franke, W.; Romaker, J.; Giebel, S.; Ketteler, R.; Bauckhage, B.; Grahlow, S.; Ohme, M.; Frey, M.:Optimization of wastewater pre-conditioning for odour and corrosion minimization: Case Studies 3rd IWA International Conference on Odour and VOCs: Measurement, Regulation and Control. Barcelona, 8-10 October 2008.

Frechen, F.-B.; Exler, H.:Technical decision criteria for decentralized or centralized wastewater treatment plants DWA-WasserWirtschafts-Kurs M/6 - Wastewater disposal in rural areas. Kassel, 15-17 October 2008.

Franke, W.; Frechen, F.-B.; Giebel; S.:H2S, VOC, TOC, Electronic noses and odour concentration: Use and comparison of different parameters for emission measurement 3rd IWA International Conference on Odour and VOCs: Measurement, Regulation and Control. Barcelona, 8-10 October 2008.

Giebel, S.M.; Frechen, F.-B.; Franke, W.:Detection of an "odorous substance" based on the metric odor profile of "electronic noses" using shape analysis DepoTech, Leoben/Austria,12-14 November 2008.

Schier, W., Ohme, M., Grahlow, S.:Test results of a semi-industrial membrane plant for the purification of industrial wastewater Seminar "Water Waste Environment", University of Kassel, 18. January 2007

Felmeden, J.:Retention soil filter in Hesse - Current status of research work Seminar "Water Waste Environment", University of Kassel, January 18, 2007

Waldhoff, A.:Simple Membrane Drinking Water Supply System for Cases of Disaster "Winter Academy for Young Scientists" of the East-West Science Center of the University of Kassel in the framework of the "German-Russian Science Network Environmental Research: Water, Waste, Green Energy, Building, University of Kassel, February 7, 2007

Schier, W.:Current Status of Municipal MBR Applications in Germany "Winter Academy for Young Scientists" of the East-West Science Center of the University of Kassel in the framework of the "German-Russian Science Network Environmental Research: Water, Waste, Green Energy, Building, University of Kassel, February 7, 2007.

Franke, W.:Degradation of BTEX in Biological Wastewater Treatment Plants "Winter Academy for Young Scientists" of the East-West Science Center of the University of Kassel in the framework of the "German-Russian Science Network Environmental Research: Water, Waste, Green Energy, Building, University of Kassel, February 7, 2007.

Felmeden, J.:Ecological Sanitation Systems and Appropriate Wastewater Treatment Technologies "Winter Academy for Young Scientists" of the East-West Science Center of the University of Kassel in the framework of the "German-Russian Science Network Environmental Research: Water, Waste, Green Energy, Building, University of Kassel, February 7, 2007

Frechen, F.-B.:Assessment of odors in the sewer system Seminar Hamburg Urban Drainage, February 9, 2007.

Schier, W.:Mechanical Pretreatment Practical seminar of the Training Institute for Membrane Technology in Wastewater Treatment in Seelscheid (SIMAS), February 12-14, 2007, Seelscheid wastewater treatment plant

Frechen, F.-B.:Minimization of odors from wastewater - measurement basics and research activities Workshop "Application of nano-research results or already materialized nanoproducts in selected fields", UFZ Leipzig, February 22, 2007.

Frechen, F.-B.:Demographic Change: Impact on the Technical Infrastructure of the City (?) Introductory lecture and moderation, Evangelisches Forum Kassel, March 8, 2007

Frechen, F.-B., Franke, W.:Odor emissions from paint lines in the automotive industry 9th Workshop "Odor and Emissions in Plastics", Institute of Materials Engineering, University of Kassel, March 12-13, 2007.

Dinkel, W.:Application of biotechnological processes in industrial wastewater treatment German-Russian cooperation event "Biotechnology / Life Science" in the context of the Moscow congress fair "Biotech World 2007", Moscow, March 12, 2007

Frechen, F.-B.:Odor emissions from wastewater treatment plants - fundamentals, measurement technology, odor emission potential Symposium "Competence Wastewater", Augsburg, March 22, 2007

Schier, W.:Mechanical pretreatment Practical seminar of the Training Institute for Membrane Technology in Wastewater Treatment in Seelscheid (SIMAS), May 08 - 10, 2007, Seelscheid wastewater treatment plant

Frechen, F.-B.:Odor emissions from wastewater plants: basics, measurement technology, odor emission potential Colloquium Water Quality and Waste Management, Technical University of Munich, May 8, 2007

Frechen, F.-B.:Emission reduction at wastewater plants VDI-Wissensforum, Seminar "Odors in the outdoor air - measuring, evaluating, reducing", Schwetzingen, May 07/08, 2007.

Schier, W.: Upgrading and Retrofitting of Wastewater Treatment Plants by Means of Membrane Bioreactor (MBR) Technology Proceedings of the 4th International Water Association Conference on Membranes for Water and Wastewater Treatment, 15-17 May 2007, Harrogate, ISBN 978-1-86194-127-5.

Frechen, F.-B.; Schier, W.; Linden, C.:Pre-Treatment of Municipal MBR Applications Proceedings of the 4th International Water Association Conference on Membranes for Water and Wastewater Treatment, 15-17 May 2007, Harrogate, ISBN 978-1-86194-127-5.

Frechen, F.-B.:Odor Emissions from Wastewater Treatment Plants - Basics, Measurement Technique, Odor Emission Potential ÖWAV-Seminar "Corrosion and odor problems in sewer systems", Vienna, June 20, 2007.

Frechen, F.-B.; Giebel, S.M.:Application of logistic regression to odor sensors for olfactometric measurements Third Statistical Days at the University of Luxembourg, 28-30 June 2007.

Schier, W.:Mechanical Pretreatment Practical Seminar of the Training Institute for Membrane Technology in Wastewater Treatment in Seelscheid (SIMAS), August 21-23, 2007, Wastewater Treatment Plant Seelscheid

Frechen, F.-B.:Is Decentralization Low-tech or High-tech ? International Symposium "Water Supply and Sanitation for All" Berching, September 28-29, 2007.

Frechen, F.-B.; Franke, W.; Scholl, B.:Odour and H2S degradation in a full scale biofilter with a mineral based organic coated filter media Biotechniques for air pollution control, La Coruña, Spain, 3-5.10.2007.

Frechen, F.-B.; Exler, H.:Membrane technology for wastewater reuse and potable water supply in disaster situations dex Fachsymposium 2007 "Wastewater discharge, wastewater and sewage sludge treatment", Graz, October 10, 2007.

Frechen, F.-B.; Franke, W.:Application of odour emissions capacity measurement in an automaker's paint store

5th edition "emission and odours from materials. Centre of Technological Resources in Chemistry (Certech), Brussels, 17-18 October, 2007

Frechen, F.-B.; Franke, W.:Application of odour emissions capacity measurement in an automaker's paint store CerTech, Emissions and Odours from materials, Brussels - Belgium, 17-18 October 2007, Proceedings.

Schier, W.:Investigation of the efficiency of screens on european membrane activated sludge plants 7th Aachen Conference on Water and Membranes, October 30-31, 2007.

Schier, W.:Efficiency of mechanical pre-treatment on European MBR plants IMSTEC 07 November 5th - 9th, 2007. The University of New South Wales, Sydney, Australia.

Frechen, F.-B.; Schier, W.; Damiecki, R.; Grahlow, S.; Ohme, M.; Luengo, A.M.:MBR based treatment of a highly organic loaded process water IMSTEC 07 November 5th - 9th, 2007. the University of New South Wales, Sydney, Australia.

Frechen, F.-B.:Experiences from construction and operation of retention soil filters for mixed water treatment BWK district group meeting and training event, Marburg, Germany, December 05, 2007.

Frey, M.:Monitoring of odor emissions from sewer systems Seminar Water Wastewater Waste University Kassel, 12 January 2006

Felmeden, J.:Retention soil filters for the treatment of road runoff Seminar "Road construction and water management" Merzig, January 24, 2006

Frechen, F.-B., Frey, M.:Preventive measures against odor emissions from drainage networks DWA-WasserWirtschaftsKurs M/1 - Drainage concepts. Kassel, March 8-10, 2006.

Frechen, F.-B.:Mechanical Pre-Treatment at Municipal Membrane Bioreactors (MBR) Applications in Germany MST 2006 Singapore.

Frechen, F.-B.:Emission reduction at wastewater treatment plants VDI-Wissensforum, Seminar "Odors in Outdoor Air - Measuring, Evaluating and Mitigating" Mannheim, May 9, 2006.

Frechen, F.-B.:Experience with retention bottom filters (RBF) in practical operation 5th Rainwater Days 2006 Bad Wildungen

Schier, W.:Mechanical wastewater pretreatment at membrane bioreactors Membrane Days (joint event of DWA (ATV-DVWK) and DVGW), 27 to 29 June 2006, Kassel

Frechen, F.-B.:Membrane Activation Processes - Basics and Performance Membrantage (joint event of DWA (ATV-DVWK) and DVGW), June 27-29, 2006, Kassel, Germany

Frechen, F.-B.; Poppe, A.:Odor generation and reduction measures in sewer networks 7th Cologne Sewer Colloquium, Sept. 6 and 7, 2006, Cologne, Germany.

Schier, W.:Pre-Treatment at Municipal MBR Applications in Germany - Current Status and Treatment Efficiency 5th IWA World Water Congress Beijing, PR China, September 10, 2006

Frechen, F.-B., Schier, W., Felmeden, J.:Long-Term Behaviour of a Plant-Covered Retention Soil Filter for Advanced CSO Treatment 10th International Conference on Wetland Systems for Water Pollution Control Lisbon, Portugal, September 23, 2006.

Frey, M.:Odor Minimization in Sewer Systems by Addition of Substances - Strategies and Efficiency Symposium "Competence Wastewater", Nuremberg, 11.10.2006

Frechen, F.-B.:Odor Emissions from Wastewater Systems - Fundamentals, Measurement Techniques, Odor Emission Potential Symposium "Competence Wastewater", Nuremberg, 11.10.2006

Frechen, F.-B.:Performance and costs of the membrane activated sludge process DWA-WasserWirtschaftsKurs M/2 - Municipal wastewater treatment. Kassel, October 11-13, 2006.

Frechen, F.-B.:Odor problems in the paint store of Ford's Saarlouis plant Lecture PPG-Firmenseminar, November 30, 2006, Überherrn.

Franke, W.:Quantification of odor emissions from sewage systems

Seminar Water Wastewater Waste University Kassel, January 13, 2005

Schier, W.: Upgrading of Municipal WWTPs with the Non-conventional Low MLSS MBR Technology Environmental Science and Technology, January 23-26, 2005, New Orleans, Louisiana, USA

Schier, W.: Biological Combined Water Treatment Plant Environmental Science and Technology, January 23-26, 2005, New Orleans, Louisiana, USA

Frechen, F.-B.:Odour Monitoring and Legislation Yara Industrial H2S Conference 2005, Porsgrunn/Norway

Frechen, F.-B.:Prevention of Odor Pollution from Industrial Wastewater DWA-WasserWirtschaftsKurs L/5 - Treatment of industrial and commercial wastewater. Kassel, Germany, March 9-11, 2005.

Frechen, F.-B.; W. Schier, M. Wett; A. Waldhoff:Non-conventional Low Load Membrane Bioreactors 13th European Water, Wastewater and Waste Symposium, April 25-29, 2005, Munich, Germany.

Frechen, F.-B.:Sewerage - Process water streams - Wastewater treatment plants - Source strengths - Causes - Mitigation strategies - Case studies VDI-Seminar "Odors in the outdoor air", May 10-11, 2005

Schier, W.:Mechanical wastewater pretreatment in municipal membrane activated sludge plants

Membrane Days (joint event of DWA (ATV-DVWK) and DVGW), June 21-23, 2005, Osnabrück, Germany

Frechen, F.-B.; Schier, W.:Future of membrane filtration - technical-scientific and administrative aspects Membrantage (joint event of DWA (ATV-DVWK) and DVGW), June 21-23, 2005, Osnabrück, Germany

Frechen, F.-B.:Introduction and presentation of the work of the DWA Technical Committee KA-7 "Membrane Activation Processes Membrantage (joint event of DWA (ATV-DVWK) and DVGW), June 21 to 23, 2005, Osnabrück, Germany

Wett, M.:Application of membrane technology in municipal wastewater treatment Seminar of the University of Ufa on "Innovative technologies in wastewater engineering", 04 to 09 July 2005, Ufa, Russia

Schier, W.:Presentation of the University of Kassel, the Department of Civil Engineering, the Department of Urban Water Management Seminar of the University of Ufa on the topic "Innovative technologies in wastewater engineering", 04. to 09. July 2005, Ufa, Russia

Dinkel, W.:Heavy metal and sulfate elimination from industrial wastewater Seminar of the University of Ufa on the topic "Innovative technologies in wastewater engineering", 04. to 09. July 2005, Ufa, Russia

Schier, W.:Application of dynamic simulation in the upgrading of municipal wastewater treatment plants Seminar of the University of Ufa on the topic "Innovative technologies in wastewater engineering", 04. to 09. July 2005, Ufa, Russia

Frey, M.:Odor emissions from sewer systems - monitoring and reduction Seminar of the University of Ufa on the topic "Innovative technologies in wastewater engineering", 04. to 09. July 2005, Ufa, Russia

Felmeden, J.:Plant-covered retention soil filter (RSF) Fulda Fellenweg for advanced CSO treatment - a ten year field report 10th International Conference on Urban Drainage, August 21-26, 2005, Copenhagen/Denmark.

Felmeden, J.:Design and construction of plant-covered retention soil filter (RSF) 10th International Conference on Urban Drainage, August 21 - 26, 2005, Copenhagen/Denmark.

Felmeden, J.:Plant-covered retention soil filter (RSF) Fulda Fellenweg for advanced CSO treatment - a ten year field report International Symposium on Wetland Pollutant Dynamics and Control (WETPOL), September 04 - 08, 2005, Ghent/Belgium.

Wett, M.:Influence of membrane fouling on the hydraulic performance of the membrane activated sludge process 10th Kassel Symposium on Urban Water Management Kassel, October 4, 2005.

Waldhoff, A.:Water supply for disaster situations 10th Kassel Symposium on Urban Water Management Kassel, October 4, 2005.

Frey, M.:Reduction of odor emissions using the example of the Kanal Köln/Mönchengladbach project 10th Kassel Symposium on Urban Water Management Kassel, October 4, 2005.

Frechen, F.-B.:Membrane activated sludge process for municipal wastewater treatment 10th Kassel Symposium on Urban Water Management Kassel, October 4, 2005.

Frechen, F.-B.:Odor emissions: Basics and measurement technology 10th Kassel Symposium on Urban Water Management Kassel, October 4, 2005.

Franke, W.:Odor concept for the Emscher wastewater canal 10th Kassel Symposium on Urban Water Management Kassel, 4 October 2005

Felmeden, J.:RBF plants Fulda, Perfgebiet, Oberelsungen - status of research work 10th Kassel Symposium on Urban Water Management Kassel, October 4, 2005.

Frechen, F.-B.; Frey, M.:Technical decision criteria for decentralized or centralized wastewater treatment plants DWA-WasserWirtschaftsKurs L/6 - Wastewater disposal in rural areas. Kassel, October 12-14, 2005.

Wett, M.:Analysis of membrane fouling of municipal membrane activated sludge plants 6th Aachen Conference on Urban Water Management and Process Engineering (6th ATSV), October 25-26, 2005, Aachen.

Frechen, F.-B.:Odor Emission Capacity of Liquids: Methodology and Application at Wastewater Systems WEFTEC 2005 - 78th Annual Technical Exhibition and Conference October 29 - November 2, 2005, Washington D.C., USA

Frechen, F.-B.; W. Schier, M. Wett:Mechanical Pre-treatment Stages of Municipal MBR Applications in Germany: Current Status and Treatment Efficiency WEFTEC 2005 - 78th Annual Technical Exhibition and Conference October 29 - November 2, 2005, Washington D.C., USA.

Frechen, F.-B.; M. Wett, W. Schier:Organic and Inorganic Membrane Fouling in the Non-Conventional Low MLSS MBR Technology WEFTEC 2005 - 78th Annual Technical Exhibition and Conference October 29 - November 2, 2005, Washington D.C., USA

Frechen, F.-B.; Waldhoff, A.:Water supply from surface waters with a small gravity flow membrane filtration unit for use in cases of disasters IWA Specialty Conference of "Wastewater Reclamation & Reuse for Sustainability (WRRS2005)", November 08-11, 2005, Jeju, Korea.

Wett, M.:Fouling behaviour of a submerged membrane bioreactor Department of Environmental Engineering - Faculty of Engineering and Department of Animal Husbandry - Faculty of Veterinary Science Chulalongkorn University, Bangkok, Thailand, 29. November 2005

Frechen, F.-B.:Odour at wastewater treatment facilities. Basics, measurement, methods and results Department of Environmental Engineering - Faculty of Engineering and Department of Animal Husbandry - Faculty of Veterinary Science Chulalongkorn University, Bangkok, Thailand, November 29, 2005.

Ohme, M.:Biogas energy for the future? Basics and legal framework Seminar Water Waste University of Kassel, Germany, December 8, 2005

Frey, M.:Odor emissions from sewer systems - possibilities and efficiency of abatement strategies Exchange of Experience - Odor Problems in Wastewater Pressure Pipes TU Vienna, December 20, 2005

Frechen, F.-B.:Odor emissions from wastewater treatment facilities - basics, measurement methods, emission potentials Exchange of Experience - Odor Problems in Wastewater Pressure Pipes TU Vienna, December 20, 2005

Felmeden, J., Waldhoff, A., Funke, M.:Development of an optimized operating concept for the RBA Hans-Humpert-Strasse, Paderborn Seminar Wastewater/Waste, University of Kassel, December 9, 2004

Frechen, F.-B.:Odors - basics, measurement technology, legal issues VGB advanced training course on immission control and incidents, November 23-25, 2004

Schier, W.:Screening systems for wastewater pretreatment in municipal membrane bioreactors DGMT Conference "Pretreatment and Cleaning in Membrane Technology", Kassel, November 23-24, 2004

Frechen, F.-B.:Identification and characterisation of odorous liquids at waste waters with the Odour Emission Capacity OEC of liquids VDI Conference "Environmental Odour Management", November 17-19, 2004, Cologne, Germany

Frechen, F.-B.:Inventory of odour emissions at German waste water treatment plants VDI-Conference "Environmental Odour Management", November 17-19, 2004, Cologne

Frechen, F.-B.:Odour Emissions from the Sewer System - Basics, Causes, Measures, New Developments VEDUNIA - from the "Third Man" into the Third Millennium, Vienna, October 28 and 29, 2004

Frechen, F.-B.; Schier, W.:Crossing the Bridge with MBR-technology: A joint European & North American Perspective on the State of the Practice of MBR Applications - Current and future developments European wide WEFTEC 2004 - 77th Annual Technical Exhibition and Conference October 2-6, 2004, New Orleans / Louisiana, USA

Schier, W.; Felmeden, J.:Plant-Covered Retention Soil Filters (RSF) - Treatment for Stormwater Overflow from Combined Sewer Systems 9th IWA International Conference on Wetland Systems for Water Pollution Control, Avignon, France, September 27-30, 2004.

Frechen, F.-B.:Odor Emissions from Wastewater Systems Colloquium on Wastewater Management, TU Hamburg-Harburg, September 9, 2004.

Frechen, F.-B.; Schier, W.; Felmeden, J.:Retention Soil Filters - Functionality, construction and operation experience 22nd Bochum Workshop 2004 "Stormwater Treatment - Requirements for Planning, Construction and Operation", Bochum, September 9, 2004.

Frechen, F.-B.:Odor: sampling - wastewater plants 71st Darmstadt Seminar on Waste Technology "Odor - Measurement, Effect, Mitigation", Darmstadt, June 24, 2004.

Frechen, F.-B.:Future of membrane filtration in municipal wastewater treatment ATV-DVWK/DVGW Membrane Days, Kassel, June 22-24, 2004

Schier, W.; Frechen, F.-B.:Membrane activated sludge processes for upgrading existing plants ATV-DVWK/DVGW Membrantage, Kassel, June 22-24, 2004.

Frechen, F.-B.:Emissions from wastewater treatment plants: sources, strengths, abatement concepts ATV-DVWK seminar "Odor emissions from wastewater plants", Kassel, June 15, 2004

Frechen, F.-B.:Odor: basics, measurement techniques, legal aspects ATV-DVWK seminar "Odor emissions from wastewater plants", Kassel, June 15, 2004

Frechen, F.-B.; Schier, W.:Upgrading of Wastewater Treatment Plants with the MBR Process IWA Specialized Conference on Water Environment - Membrane Technology, Seoul, June 7-10, 2004

Frechen, F.-B.; Schier, W.; Wett, M., Waldhoff, A.:The Non-Conventional Low MLSS MBR Technology IWA Specialized Conference on Water Environment - Membrane Technology, Seoul, June 7-10, 2004

Frechen, F.-B.:Emission Reduction at Wastewater Treatment Plants VDI Seminar "Odors in Outdoor Air: Measure - Evaluate - Mitigate", May 18-19, 2004, Mannheim, Germany

Frechen, F.-B.:Significance of membrane technology for future municipal wastewater treatment 37th Essen Conference on Water and Waste Management, Essen, 24.3.-26.3.2004.

Felmeden, J.:Retention Soil Filters - Meeting Emission and Immission Oriented Requirements for Combined Sewage Discharges Seminar Wastewater/Waste, University of Kassel, January 15, 2004

Romaker, J.:Investigation of the aerodynamic properties of a sampling hood for passive area sources Seminar Wastewater/Waste, University of Kassel, December 4, 2003

Frechen, F.-B.:State of the Art of Odour Measurement Invited Keynote Speech at the International Workshop on Odour Measurement, Ministry of the Environment and Japan Association on odour Environment, Beppu, Japan, October 30-31, 2003.

Frechen, F.-B.; Schier, W.; Wett, M.:Upgrading of municipal wastewater treatment plants by the use of membrane filtration 5th Aachen Conference on Urban Water Management and Process Engineering "Membrane Technology in Water and Wastewater Treatment - Perspectives, New Developments and Operational Experiences in Germany and Abroad", Aachen, Germany, September 30-October 01, 2003.

Frechen, F.-B.; Frey, M.; Wett, M.; Löser, C.:Aerodynamic Performance of a Low Speed Wind Tunnel 2nd IWA International Conference on Odour & VOCs: Measurement, Regulation & Control Techniques, Singapore, September 14-17, 2003.

Frechen, F.-B.:Odour Emission Inventory of German Wastewater Treatment Plants - Odour Flow Rates and Odour Emission Capacity 2nd IWA International Conference on Odour & VOCs: Measurement, Regulation & Control Techniques, Singapore, September 14-17, 2003

Frechen, F.-B.; Schier, W.:Upgrading of Wastewater Treatment Plants (WWTP) with Membrane Bioreactors 9th IWA Specialised Conference on Design, Operation and Economics of Large Wastewater Treatmenr Plants, Prague, September 1-4, 2003.

Schier, W.:Upgrading of existing wastewater treatment plants with membrane bioreactors ATV-DVWK-Membrantage, Bonn, July 1-2, 2003

Frechen, F.-B.:Mixed water treatment in retention soil filters Presentation at the ATV-DVWK Regional Association Meeting Hesse/Rhineland-Palatinate/Saarland, May 13-14, 2003, Fulda

Frechen, F.-B.:Emission reduction at wastewater treatment plants VDI-Seminar "Odors in outdoor air - Measure - Evaluate - Reduce", Mannheim 13.05.03

Frechen, F.-B.:Development and application status of retention soil filters Information event in the context of the Environmental Alliance Hesse: Retention Soil Filters for Combined Water Treatment in Hesse, March 20, 2003, Regional Council Kassel

Frechen, F.-B.:Possible applications of online monitoring of odor emissions bmb+f and VDI/VDE-IT-Workshop "Der Weg zur Elektronischen Nase", workshop and status seminar of the joint project BioMon, Institute for Agricultural Engineering, University of Bonn, March 19, 2003

Frechen, F.-B.; Frey, M.:Preventive measures against odor emissions from drainage networks ATV-DVWK-WasserWirtschafts-Kurs L/1 "Drainage concepts", Kassel, March 5-7, 2003.

Ingendahl, D.:Investigations on the suitability of spawning habitats of Atlantic salmon in the rivers Diemel and Ulster Seminar Water and Waste University Kassel, 16.01.2003

Melchert, P.:Influences of open-pit gold mining on streams in northeastern Mongolia Seminar Water and Waste University, Kassel, 16.01.2003

Frechen, F.-B.:Dispersion calculations and immission forecasts Seminar "Odor from waste water plants", WVER, Düren, 18.11.2002

Frechen, F.-B.:Odor emissions from wastewater treatment plants - causes and mitigation concepts Seminar "Odor from waste water plants", WVER, Düren, 18.11.2002

Frechen, F.-B.:Fundamentals of odor emissions and odor immissions Seminar "Odor from waste water plants", WVER, Düren, 18.11.2002

Frechen, F.-B.:Legal assessment of odors Seminar "Odor from waste water plants", WVER, Düren, 18.11.2002

Frey, M.:Odor emissions from sewage systems - reduction concepts Water association Eifel - Rur Düren, 18.11.2002

Frechen, F.-B.:Status of membrane filtration in municipal wastewater treatment Information event in the context of the Environmental Alliance Hesse: Membrane filtration in Hesse; 31 October 2002; Kassel

Frechen, F.-B.:Emission reduction at wastewater treatment plants VDI-Seminar "Odors in outdoor air Measure - Evaluate - Reduce", 20/21 Jun. 2002, Mannheim

Frechen, F.-B.:Status of drinking water treatment and wastewater technology in Germany University of Ufa, Russia, 10 Jun. 2002

Frechen, F.-B.:Experience with stormwater treatment in retention soil filters BWK 64th advanced training course on wastewater disposal in rural areas; 30 April 2002, Friedberg

Frechen, F.-B.:Basics of retention soil filter technology and experience to date Kick-off event for the investigation project "Retention Soil Filters (RBF) in Hesse" on April 23, 2002, at the RP Kassel; Kassel

Frechen, F.-B.:Odour abatement strategies at wastewater and waste facilities in Germany Invited keynote paper at CASANZ Congress & IWA 3rd World Water Congress, 07-12 Apr. 2002, Melbourne, Australia

Frechen, F.-B.:Prevention of odor pollution by industrial wastewater ATV-DVWK advanced training course K/5 for water quality management and wastewater technology "Treatment of industrial and commercial wastewater", Kassel, Germany, 13-15 Mar. 2002

Frechen, F.-B.:Odor measurement and quantification Karlsruhe Flocculation Days, 06.11.2001

Frechen, F.-B.:Odour Emission From Wastewater Treatment Plants: Overview over measurement results from Germany Conference "Odour Emissions from Wastewater Treatment Processes: Monitoring, Prevention and Control", aquaenviro technology transfer, 30 Oct. 2001, The Citilodge, Nottingham, UK

Frechen, F.-B.:Emission Reduction at Wastewater Treatment Plants VDI - Seminar " Odors in outdoor air Measure - Evaluate - Mitigate", 16/17 Oct. 2001, Mannheim, Germany

Frechen, F.-B.:Upgrading of wastewater treatment plants by the use of membrane filtration GKW PLAN; department head conference in Kassel from 04.-06. 10. 2001; Kassel

Frechen, F.-B.:Emissions from wastewater treatment plants - problems, abatement concepts, exhaust air treatment ATV-Seminar "Odor emissions from wastewater plants", Stuttgart, 09.07.2001

Frechen, F.-B.:Fundamentals of odor emissions and odor immissions ATV-Seminar "Odor emissions from wastewater plants", Stuttgart, 09.07.2001

Frechen, F.-B.:Emission reduction at wastewater treatment plants VDI - Seminar " Odors in the outdoor air Measure - Evaluate - Reduce", 16/17 May. 2001, Mannheim

Frechen, F.-B.; Gorres, M.; Schier, W.:Sampling of wastewater - importance in wastewater treatment and water protection Seminar Endress + Hauser Wetzer, Nesselwang, 20.03.2001

Frechen, F.-B.:Emissions from wastewater plants: recording and measurement Course of the Hessian Water Management Administration in the Wilhelm-Kempf-Haus "Municipal wastewater treatment plants; odor emissions, energy use", 12 Dec. 2000, Wiesbaden-Naurod

Frechen, F.-B.:Emissions from wastewater plants: Possibility of reduction / Examples Course of the Hessian Water Management Administration in the Wilhelm-Kempf-Haus "Municipal wastewater treatment plants; odor emissions, energy use", 12 Dec. 2000, Wiesbaden-Naurod

Frechen, F.-B.:Emission reduction at wastewater plants VDI - Seminar " Odors in outdoor air Measure - Evaluate - Reduce", 29/30 Nov. 2000, Mannheim

Schier, W.:Developing sound framework conditions for PPP - experience with cases from Germany Administrative Reform: Public Private Partnership (PPP), Economic and Political Framework Conditions for PPP Experiences, Case Studies and Perspectives from the Field of Environment, Beijing, China, Nov. 24, 2000

Schier, W.:The PPP approach - concepts, strategies, necessary framework conditions and scope of prospects Public Private Partnership (PPP), a feasible concept for China's urban environmental infrastructure development?, Beijing, China, Nov. 23, 2000.

Schier, W.:Administrative reform: Public Private Partnership (PPP) - Economic and political framework conditions for PPP Experiences, case studies and perspectives from the environmental sector Administrative Reform: Public Private Partnership (PPP), Economic and Political Framework for PPP Experiences, Case Studies and Perspectives from the Environmental Sector, Shanghai, China, Nov. 21, 2000.

Frechen, F.-B.:Odor emissions from municipal and industrial wastewater treatment plants - prevention and treatment options

Advanced training course "Water quality and analysis", TU Hamburg-Harburg, September 4 to 8, 2000

Frechen, F.-B.:Sampling methods for odour analysis "Odour measurement and modelling", University of Cranfield, 31 May 2000.

Frechen, F.-B.:Odour measurement and odour policy in Germany Joint CIWEM/IWA Conference, London, Sept. 1999

Frechen, F.-B.:Measurement and prevention of odors in sewage systems ATV regional group conference North Rhine-Westphalia "Sewerage and wastewater treatment plants - possibilities of optimization", Hürth, November 24, 1999

Frechen, F.-B.:Anaerobic treatment of biowaste - odour emissions and control technologies at a full size treatment plant 7th International Landfill Symposium, Cagliari, Sardinia, October 1999

Frechen, F.-B.:Determination of and measures against odour emissions from sewerage systems 11th European Sewage and Refuse Symposium, Liquid wastes section, IFAT, Munich, May 1999

Frechen, F.-B.:Odor emissions from wastewater treatment plants - abatement concepts ATV-Seminar "Odor emissions from waste water plants", Kassel, 15.04.1999

Frechen, F.-B.:Fundamentals of odour emissions and immissions, measurement techniques ATV-Seminar "Odor emissions from wastewater plants", Kassel, 15.04.1999

Frechen, F.-B.:Odor pollution from industrial wastewater ATV advanced training course I/5 "Treatment of industrial and commercial wastewater", Fulda, March 10-12, 1999

Frechen, F.-B.:Emissions from wastewater systems Seminar "Waste Management", TU Braunschweig, 30.11.1998

Frechen, F.-B.; Köster, W. :Odour Emission Capacity of Wastewaters - Standardization of Measurement Method and Application 19th Biennial Conference of the International Association on Water Quality, Vancouver BC, 21-26 June 1998.

Frechen, F.-B.:Emissions from Wastewater Treatment Plants - Mitigation Concepts ATV-Seminar "Odor emissions from waste water plants", BEW Essen, 18.05.1998.

Frechen, F.-B.:Basics of odour emissions and immissions incl. measurement technology ATV-Seminar "Odor emissions from wastewater plants", BEW Essen, 18.05.1998.

Frechen, F.-B. :Guidelines for odor control Presentation at the 58th information meeting of the ANS on 8 and 9 December 1997, Viersen

Winneke, G.; Frechen, F.-B.; Both, R.; Steinheider, B.:Psychology of odor nuisance: Linear and Non-Linear Exposure-Effect Relationships, Memory Effects and Psychosomatics 2nd meeting of the DGPs specialist group on environmental psychology, Duesseldorf, 9-11.10.1997.

Frechen, F.-B. :Effect of Aerobic Treatment on Odour Emissions - Results from Large-Scale Technical Plant Operation Sixth Intern. Landfill Symposium, Cagliari, October 1997

Frechen, F.-B.:Odour Measurement and odour policy in Germany National Workshop on Odour Measurement Standardization, University of New South Wales, Sydney, 21.08.1997

Frechen, F.-B.:Emissions from Wastewater Treatment Plants - Mitigation Concepts ATV Seminar "Odor Emissions from Wastewater Plants", TA Esslingen, 18.06.1997

Frechen, F.-B.:Fundamentals of Odour Emissions and Immissions incl. Measurement Techniques ATV-Seminar "Odor emissions from wastewater plants", TA Esslingen, 18.06.1997