IWA logo claim

Activated sludge

Colurella found in activated sludge.
 

100 years..

Aerated activated sludge tank.
 

.. and counting!

Aerated activated sludge tank.
 

Activated sludge

Fluorescence-marked filamentous bacteria.
 

100 years..

Rellinghausen WWTP the first activated sludge treatment plant on the European continent.

.. and counting!

Opercularia found in activated sludge.
 

Activated sludge

Aerated activated sludge tank.
 

100 years..

Fluorescence image of activated sludge.
 

..and counting!

Aerated activated sludge tank with internal final sedimentation tank.

Sessions and presentations

Speakers at the conference

Conference Co-chairs

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David Jenkins is Professor Emeritus of Civil and Environmental Engineering at the University of California at Berkeley where he taught and conducted research from 1960 to 1999. His interests are in wastewater treatment processes and water chemistry. He is an Honorary Life Member of IWA and WEF and member of the US national Academy of Environmental Engineering. Dr. Jenkins is the recipient of numerous awards that include the IWA Global Water Award and the Samuel Harry Jenkins Award. From WEF he has received the Fair, Camp, Eddy, Pohland and Gasgoine medals. Professor Jenkins continues to be professionally active in consulting, writing and teaching.

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Jiri Wanner, Ph.D., D.Sc. is full professor at the Department of Water Technology and Environmental Engineering of the Institute of Chemical Technology, Prague, Czech Republic. His group is active in various aspects of biological wastewater treatment and wastewater reuse. He formulated the principles of activated sludge population dynamics and their applications for bulking and foaming control (metabolic selection, regeneration zone) or nitrification. He is the co-author of bioaugmentation of nitrification in-situ. In 1988-1997 he led the IWA specialist group “Activated Sludge Population Dynamics” (today “Microbial Ecology and Water Engineering”) and since 2007 he chairs the specialist group on “Design, Operation and Costs of Large Wastewater Treatment Plants”. In 2005-2007 he was the president of European Water Association and he was also a long-time chairman of Czech Water Association. He was awarded by Dunbar (EWA), Votocek and Hlavka (CZ) medals and with IWA Outstanding Services Award, Ardern and Lockett Prize and IWA Fellowship.

Presenters

Ardern and Lockett Remembrance, Glen Daigger

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Dr. Glen Daigger is currently a Senior Vice President and Chief Technology Officer for CH2M HILL where he has been employed for 34 years. He also served as Professor and Chair of Environmental Systems Engineering at Clemson University. Actively engaged in the water profession through major projects, and as author or co-author of more than 100 technical papers, four books, and several technical manuals, he contributedsto significantly advancing practice within the water profession. Deeply involved in professional activities, he is currently President of the International Water Association (IWA). He is the recipient of numerous awards, including the Kappe, Freese, and Feng lectures and the Harrison Prescott Eddy, Morgan, and the Gascoigne Awards.

Wastewater Treatment Requirements through the Years, Hermann Hahn

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Dr. Hermann Hahn got his Ph.D. in Water Chemistry at Harvard University, Cambridge in 1968. In 1969 he became Full Professor of Aquatic Environmental Engineering and Director of Research Institute, University of Karlsruhe, Germany. During his academic career Dr. Hahn supervised about 500 master and almost 100 Ph.D. students in the field of water supply, waste and wastewater disposal and pollution control. In this area he published more than 200 contributions. He was appointed as President of Heidelberg Academy of Sciences and Humanity in the period of 2009-2013. He was also very active in professional organizations. He was the president of German ATV (1995-2005) and the Vice-President of International Water Association (1998-2000).

Process Microbiology/Ecology, Per Halkjær Nielsen, Katherine D. McMahon

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Per Halkjær Nielsen is full professor at the Department of Biotechnology, Chemistry and Environmental Engineering at Aalborg University, Denmark where he is heading the multidisciplinary Center for Microbial Communities. His research group has been active in environmental biotechnology for over 25 years, focusing on microbial ecology of biological wastewater treatment and lately also the development of systems microbiology approaches based on new sequencing technologies. He chaired the IWA specialist group “Microbial Ecology and Water Engineering” for 8 years (2005-2013), is co-chair of the IWA BioCluster, he is an IWA fellow and has more than 200 peer reviewed publications in the field.

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Katherine (Trina) McMahon is a Professor of Environmental Engineering and Bacteriology at the University of Wisconsin at Madison, USA. She earned her BS and MS in Civil and Environmental Engineering at the University of Illinois at Urbana Champaign. She obtained her PhD in Civil Engineering at the University of California at Berkeley and joined the UW faculty in 2003. Her research interests include microbial ecology of wastewater treatment systems and freshwater lakes.

Macro-nutrient Removal (Nitrogen), Kartik Chandran

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Dr. Kartik Chandran is Associate Professor and Director of the CUBES Program at Columbia University. The main focus of Dr. Chandran's work is on biological nitrogen cycle and its links to the water, energy and carbon cycles. Dr. Chandran leads the multiagency supported Wastewater Treatment and Climate Change program at Columbia University. Dr. Chandran has also served on the Board of Trustees of the Water Environment Federation and is vice-chair of the WEF Academic Committee of the Water Environment Federation. Select awards and honors received by Dr. Chandran include

  • Fellow, WEF, 2013
  • Paul Busch Award, 2010
  • National Science Foundation CAREER award 2009
  • Invited professorship at the Kluyver Labs, Delft University of Technology, 2008
  • Summer Faculty Fellow, National Academy of Science, 2007

Macro-nutrient Removal (Phosphorus), James L. Barnard

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James L. Barnard, Ph.D. IWA Fellow, Dist MASCE developed the Bardenpho, MLE and Phoredox (aka AO, A2O) processes for biological nitrogen and phosphorus removal and designed more than 100 BNR plants. He served on WERF supervisory committees and Advisory Committees for New York, DCWater, Los Angeles and others. He was awarded the Clarke Prize in 2007, received Honorary Doctorates from the Universities of Johannesburg, Iowa State and Stellenbosch and the Lee Kuan Yew Singapore Water Prize in July 2011. He is presently employed by Black & Veatch as a Global Practice and Technology Leader.

Micro-constituent Removal, Hansruedi Siegrist

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Hansruedi Siegrist got a bachelor degree in civil engineering in 1971. After four years of employment in two engineering companies, he studied organic chemistry, finishing with the master degree of ETH Zurich in 1980. His PhD work in process engineering under Professor Werner Stumm and Willi Gujer was awarded with the Otto Jaag Water protection price. After his doctorate he worked for two year as a research associate at the Stanford University with Prof Perry McCarty in the field of groundwater pollution. Since 1986 he is a senior scientist at the EAWAG and from 1997 to 2011 head of the department of Process Engineering and since 2012 member of the directorate of EAWAG. Since 1990 he has been teaching at ETH Zurich in the field of environmental chemistry and sanitary engineering. His research focus is on the physical, chemical and biological processes of wastewater and sewage sludge treatment, mathematical modelling and the fate of trace pollutants in wastewater treatment.

Aeration and Mixing, Martin Wagner

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Prof. Dr.-Ing. Martin Wagner graduated from the Technical University Darmstadt, Germany, in 1983 and holds a doctoral degree as Civil Engineer. Since 1996, he is General Manager of the Institute IWAR, Technical University Darmstadt. In 2006 he was nominated as Professor Honorarium at the Qingdao Technological University, China. Since 2009 he is Head of the section china of German Water Partnership GmbH. In 2014 he received the certificate for Honorary Professorship from the Tongji University Shanghai. His expertise focuses on waste water treatment, aeration and gas transfer, energy in wastewater treatment plants and water infrastructure solutions for fast growing urban areas

Air Emission, Jay Witherspoon

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Jay Witherspoon has developed industry leading management, tools and models for odor, air toxics, hazardous air pollutants, green house gases, and carbon emissions measurement, assessment, modeling, and controls. He completed and developed many regulated "air emitting" substances (chlorine and sulfur dioxide gases, methane) risk management plans, accidental releases prevention and emergency response programs for public utilities. He worked with industry and public clients on carbon emissions reduction strategies and water sustainability programs to meet climate change/GHGs concerns for both operating and embedded carbon footprints in the four countries where he has lived and worked - USA, Australia, New Zealand and United Arabs Emirates (UAE). In 2012, Jay was awarded Fellow Technologist designation from two separate international water associations - Water Environment Federation and International Water Association and is a 2014 Adjunct Professor for the Advanced Water Management Centre, University of Queensland, AU. Jay has BS and MS degrees in Chemical Engineering from the University of Colorado and California respectively, and is a Senior Fellow Technologist, Vice President, and Global Service Leader for CH2M HILL currently living in New Zealand.

Solids Separation, Jiri Wanner, Andrea Jobbagy

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 ..see above

 

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Andrea Jobbagy has received MSc and PhD at the Budapest Univ. of Technology and Economics as chemical engineer in the branch of biotechnology, and is professor of environmental bioengineering at Dept. of Applied Biotechnology and Food Sciences. She spent a sabbatical year in Clemson Univ., SC, USA at Dept. of Environmental Engineering and Science and 9 years of a US-Hungarian Fund research in cooperation with Prof. Grady Jr. She worked 6 years at Sandoz Technology Development Centre in Basel, Switzerland. Her basic research area has been optimization of bioreactor arrangement in AS wastewater treatment.

Secondary Clarifiers, Denny Parker

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Denny S. Parker, Ph. D., PE, NAE, is Director of Technology for Brown and Caldwell and advises the firm’s clients on wastewater projects including many with nutrient removal. He has invented four activated sludge process modifications: 1) the Flocculator Clarifier for production of high quality effluent even at high overflow rates and solids loading rates, 2) the Classifying Selector to eliminate nuisance foam and improve aeration energy efficiency, 3) the North American version of the BAR process for bioaugmentation resulting in high-rate nitrification, and 4) the Biological Contact process for high-rate biological treatment for wet weather flows.

Energy Considerations, Helmut Kroiss

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Helmut Kroiss received his doctoral degree in 1977 from the Vienna University of Technology. From 1987 to 2012 he served as full professor at the Institute for Water Quality, Resource and Waste management at Vienna University of Technology, from 1994- 1998 as dean of the faculty of Civil Engineering and from 2004 to 2010 as vice chair of the senate. His teaching was focused on basic and advanced education in Water Quality Management and doctoral programs. Now professor emeritus of the Vienna University of Technology. He is member of the Board of Directors of IWA, chair of the IWA publishing committee. He is editor in chief of the Journal Water Science and Technology. Since 2008 member of the IWA Council of Distinguished Water Professionals. Currently he is president elect of IWA. His research field in municipal and industrial waste water treatment focused on biological process development from lab scale to full scale plant design and operation. His research in river basin management focused on the role of point and diffused sources.

Automation and Control, Gustaf Olsson

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Gustaf Olsson is professor in Industrial automation and since 2006 professor emeritus at Lund University, Sweden. He has devoted his research to control and automation in water systems, electrical power systems and industrial processes. He has been editor-in-chief of Water Science and Technology and a member of the IWA Board of Directors. In 2010 he received the IWA Publication Award. In 2012 he was the awardee of an Honorary Membership of IWA and of an Honorary Doctor degree at UTM, the Technical University of Malaysia. His research has lately been focused on the water-energy nexus.

Modeling, George Ekama, Imre Takacs

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George Ekama has 40 years of research experience into bioprocess engineering of aerobic and anaerobic wastewater and solids treatment systems at the University of Cape Town. He has published over 150 papers on wastewater treatment and regularly teaches graduate courses at other universities, municipalities and industry. He is one of a few environmental engineering professors listed on Thomson’s ISI Highly Cited website.

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Imre Takacs received his degrees in environmental engineering at the Technical University of Budapest in 1980 and his PhD at BioMath in Ghent, in 2008. He has been involved with process modeling via VITUKI, Hydromantis, EnviroSim and Dynamita for over 30 years. Imre's interest encompasses most aspects of whole plant process modeling - nutrient removal, phase separation, digestion, weak acid-base chemistry, precipitation, side-stream and innovative energy efficient nutrient removal and recovery processes.

Hybrid Systems, Hallvard Odegaard

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Hallvard Odegaard graduated from Norwegian Institute of Technology (NTH) in 1969 (MSc Civil Engineering), in 1975 he received PhD in Environmental Engineering, again from NTH. Since 1977 professor of Water and Wastewater Treatment, Norwegian University of Science and Technology (NTNU), Trondheim, Norway. Professor Emeritus since 2011. He was appointed visiting professor at EAWAG, Switzerland (1991), Hokkaido University, Japan (1999), CSIRO, Molecular Science, Melbourne (2000) and acted as CEO of Scandinavian Environmental Technology AS. In IWA he became Distinguished Fellow. He was also awarded with the title “Knight of 1. Class of the Royal Norwegian St. Olavs Order”.

Industrial Wastewater Treatment, K.-H. Rosenwinkel

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K.-H. Rosenwinkel was in 1977–1984 a scientific assistant at the „Institute of sanitary engineering and waste technology“, in 1982 he obtained his PhD degree. In 1984–1995 he acted as a chief manager of the engineering company Aqua Consult Ingenieur GmbH. Since 1995 he became gradually Full Professor, University-professor and director of the „Institute of water quality and waste management“ at the Leibniz Universität Hannover. He has been active in many research areas of biological wastewater treatment, for instance, water resources management, sanitary engineering, municipal and industrial wastewater and sludge treatment, anaerobic technologies, biofilm systems, membrane technology, development of nutrient removal technologies, modelling. Dr. Rosenwinkel is active as an expert in many committees of German DWA and in other professional organizations. He was the senior researcher in numerous research projects, author and co-authors of many research papers, monographs and was also active as editor. His contributions were recognized by several prizes; in 2013 he was awarded the Dunbar medal from European Water Association.

Planning and Design, Burkhard Teichgräber

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Burkhard Teichgräber was born in 1958; after studies at Ruhr-University Bochum and AIT, Bangkok he graduated as a civil engineer at TU Karlsruhe. He got his PhD in 1988 at the TU Braunschweig. Since 1988 he has been employed by Emschergenossenschaft/Lippeverband. Today he is serving as Head of Technical Services Division with Emschergenossenschaft/Lippeverband in Essen and in parallel as Managing Director of “Wasserverband Westdeutsche Kanäle”. Dr. Teichgrääber is a Honorary professor of University Duisburg – Essen.

Economics of Activated Sludge Process, Norbert Jardin

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Prof. Dr.-Ing. Norbert Jardin has been the Head of Planning Department of Ruhrverband in Essen (Germany) since 1997. He is responsible for all planning activities concerning wastewater treatment plants and urban drainage. Additionally, he executes responsibilities in Research and Development. For more than ten years, Norbert Jardin works as lecturer at Darmstadt University of Technology in Darmstadt (Germany), where he also holds a Honorary Professorship since 2007. He studied Civil Engineering in Karlsruhe, Darmstadt and Stanford (USA) and holds a doctorate in Civil Engineering from Darmstadt University of Technology. Since 1990, Norbert Jardin has published more than 120 articles in national and international journals and has given more than 150 oral presentations at national and international conferences. Norbert served for eight years as a member of the IWA International Programme Committee, the last four years as the chair of the committee. He also served during this time as a director on the IWA Board of Directors. He is a member of several technical committees within the German Association for Water, Wastewater and Waste (DWA) and the secretary of the IWA specialist group on Design, Operation and Costs of Large Wastewater Treatment Plants.

The Next 100 Years, Mark van Loosdrecht

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Mark van Loosdrecht is Professor in Environmental Biotechnology at Delft University of Technology, The Netherlands. He obtained his Engineering and PhD degree from Wageningen University. He was appointed at Delft in 1988 and became Full Professor in 1998. His research is characterized by the combination of scientific understanding of complex systems and development of new processes. Dr. van Loosdrecht's scientific interests are mainly related to biofilm processes, nutrient conversion processes and the role of storage polymers in microbial ecology. In particular, he is interested in new processes related to wastewater treatment and resource recovery. His research has resulted in several processes currently applied on full scale such as the Sharon process, Anammox process and Nereda process. He is active member of the International Water Association (IWA) and past chairman of the Biofilm and the Nutrient removal specialist groups. He is Editor in Chief of Water Research. He obtained several awards for his work, including the Lee Kuan Yew Singapore Water Prize and the IWA Grand Award. He was awarded a honorary doctorate from the ETH-Zurich and a knighthood in the order of the Dutch Lion. He has published over 500 scientific papers, has 15 patents and has supervised over 50 PhD students.

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