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Is sewer-based wastewater treatment really the optimal technical solution in urban water management? This paradigm is increasingly being questioned. Growing water scarcity and the insight that water will be an important limiting factor for the quality of urban life are main drivers for new approaches in wastewater management. Source Separation and Decentralization for Wastewater Management sets up a comprehensive view of the resources involved in urban water management. It explores the potential of source separation and decentralization to provide viable alternatives to sewer-based urban water management. During the 1990s, several research groups started working on source-separating technologies for wastewater treatment. Source separation was not new, but had only been propagated as a cheap and environmentally friendly technology for the poor. The novelty was the discussion whether source separation could be a sustainable alternative to existing end-of-pipe systems, even in urban areas and industrialized countries. Since then, sustainable resource management and many different source-separating technologies have been investigated. The theoretical framework and also possible technologies have now developed to a more mature state. At the same time, many interesting technologies to process combined or concentrated wastewaters have evolved, which are equally suited for the treatment of source-separated domestic wastewater. The book presents a comprehensive view of the state of the art of source separation and decentralization. It discusses the technical possibilities and practical experience with source separation in different countries around the world. The area is in rapid development, but many of the fundamental insights presented in this book will stay valid. Source Separation and Decentralization for Wastewater Management is intended for all professionals and researchers interested in wastewater management, whether or not they are familiar with source separation. Editors: Tove A. Larsen, Kai M. Udert and Judit Lienert, Eawag - Swiss Federal Institute of Aquatic Science and Technology, Switzerland. Contributors: Yuval Alfiya, Technion - Israel Institute of Technology, Faculty of Civil and Environmental Engineering; Prof. Dr. M. Bruce Beck, University of Georgia, Warnell School of Forestry and Natural Resources; Dr. Christian Binz, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Innovation Research in Utility Sectors (Cirus); Prof. em. Dr. Markus Boller, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Department of Urban Water Management (SWW); Prof. Dr. Eran Friedler, Technion – Israel Institute of Technology, Faculty of Civil and Environmental Engineering; Zenah Bradford-Hartke, The University of New South Wales, School of Chemical Engineering and UNESCO Centre for Membrane Science and Technology; Dr. Shelley Brown-Malker, Very Small Particle Company Ltd; Bert Bundervoet, Ghent University, Laboratory Microbial Ecology and Technology (LabMET); Prof. Dr. David Butler, University of Exeter, Centre for Water Systems; Dr. Christopher A. Buzie, Hamburg University of Technology, Institute of Wastewater Management and Water Protection; Dr. Dana Cordell, University of Technology, Sydney (UTS), Institute for Sustainable Futures (ISF); Dr. Vasileios Diamantis, Democritus University of Thrace, Department of Environmental Engineering; Prof. Dr. Jan Willem Erisman, Louis Bolk Institute; VU University Amsterdam, Department of Earth Sciences; Barbara Evans, University of Leeds, School of Civil Engineering; Prof. Dr. Malin Falkenmark, Stockholm International Water Institute; Dr. Ted Gardner, Central Queensland University, Institute for Resource Industries and Sustainability; Dr. Heiko Gebauer, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Innovation Research in Utility Sectors (Cirus); Prof. em. Dr. Willi Gujer, Swiss Federal Institute of Technology Zürich (ETHZ), Department of Civil, Environmental and Geomatic Engineering (BAUG); Prof. Dr. Bruce Jefferson, Cranfield University, Cranfield Water Science Institute; Prof. Dr. Paul Jeffrey, Cranfield University, Cranfield Water Science Institute; Sarina Jenni, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Process Engineering Department (Eng); Prof. Dr. Håkan Jönsson, SLU - Swedish University of Agricultural Sciences, Department of Energy and Technology; Prof. Dr. Ïsik Kabdasli, Ïstanbul Technical University, Civil Engineering Faculty; Prof. Dr. Jörg Keller, The University of Queensland, Advanced Water Management Centre (AWMC); Prof. Dr. Klaus Kömmerer, Leuphana Universität Lüneburg, Institute of Sustainable and Environmental Chemistry; Dr. Katarzyna Kujawa-Roeleveld, Wageningen University, Agrotechnology and Food Sciences Group; Dr. Tove A. Larsen, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Department of Urban Water Management (SWW); Michele Laureni, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Process Engineering Department (Eng); Prof. Dr. Gregory Leslie, The University of New South Wales, School of Chemical Engineering and UNESCO Centre for Membrane Science and Technology; Dr. Harold Leverenz, University of California at Davis, Department of Civil and Environmental Engineering; Dr. Judit Lienert, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Department of Environmental Social Sciences (ESS); Prof. Dr. Jürg Londong, Bauhaus-Universität Weimar, Department of Urban Water Management and Sanitation; Dr. Christoph Lüthi, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Water and Sanitation in Developing Countries (Sandec); Prof. Dr. Max Maurer, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Department of Urban Water Management (SWW); Swiss Federal Institute of Technology Zürich (ETHZ), Department of Civil, Environmental and Geomatic Engineering; Prof. em. Dr. Gustaf Olsson, Lund University, Department of Measurement Technology and Industrial Electrical Engineering (MIE); Prof. Dr. Ralf Otterpohl, Hamburg University of Technology, Institute of Wastewater Management and Water Protection; Dr. Bert Palsma, STOWA, Dutch Foundation for Applied Water Research; Dr. Arne R. Panesar, Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH; Prof. Dr. Bruce E. Rittmann, Arizona State University, Swette Center for Environmental Biotechnology; Prof. Dr. Hansruedi Siegrist, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Process Engineering Department (Eng); Dr. Ashok Sharma, Commonwealth Scientific and Industrial Research Organisation, Australia, Land and Water Division; Prof. Dr. Thor Axel Stenström, Stockholm Environment Institute, Bioresources Group; Norwegian University of Life Sciences, Department of Mathematical Science and Technology; Dr. Eckhard Störmer, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Innovation Research in Utility Sectors (Cirus); Bjartur Swart, STOWA, Dutch Foundation for Applied Water Research; MWH North Europe; Prof. em. Dr. George Tchobanoglous, University of California at Davis, Department of Civil and Environmental Engineering; Elizabeth Tilley, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Department of Water and Sanitation in Developing Countries (Sandec); Swiss Federal Institute of Technology Zürich (ETHZ), Centre for Development and Cooperation (NADEL); Prof. Dr. Bernhard Truffer, Eawag, Swiss Federal Institute of Aquatic Science and Technology; Innovation Research in Utility Sectors (Cirus); Prof. Dr. Olcay Tünay, Ïstanbul Technical University, Civil Engineering Faculty; Dr. Kai M. Udert, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Process Engineering Department (Eng); Prof. em. Dr. Willy Verstraete, Ghent University, Laboratory Microbial Ecology and Technology (LabMET); Prof. Dr. Björn Vinnerås, SLU - Swedish University of Agricultural Sciences, Department of Energy and Technology; Prof. Dr. Urs von Gunten, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Department of Water Resources and Drinking Water (W+T); Ecole Polytechnique Fédérale de Lausanne (EPFL),School of Architecture, Civil and Environmental Engineering (ENAC); Prof. em. Dr. Peter A. Wilderer, Technische Universität München, Institute for Advanced Study; Prof. Dr. Jun Xia, Chinese Academy of Sciences (CAS), Center for Water Resources Research and Key Laboratory of Water Cycle and Related Surface Processes; Prof. Dr. Grietje Zeeman, Wageningen University, Agrotechnology and Food Sciences Group
This book features expert contributions on key sustainability aspects of urban water management in Chinese agglomerations. Both technical and institutional pathways to sustainable urban water management are developed on the basis of a broad, interdisciplinary problem analysis.
In the quest to reduce costs and improve the efficiency of water and wastewater services, many communities in the United States are exploring the potential advantages of privatization of those services. Unlike other utility services, local governments have generally assumed responsibility for providing water services. Privatization of such services can include the outright sale of system assets, or various forms of public-private partnershipsâ€"from the simple provision of supplies and services, to private design construction and operation of treatment plants and distribution systems. Many factors are contributing to the growing interest in the privatization of water services. Higher operating costs, more stringent federal water quality and waste effluent standards, greater customer demands for quality and reliability, and an aging water delivery and wastewater collection and treatment infrastructure are all challenging municipalities that may be short of funds or technical capabilities. For municipalities with limited capacities to meet these challenges, privatization can be a viable alternative. Privatization of Water Services evaluates the fiscal and policy implications of privatization, scenarios in which privatization works best, and the efficiencies that may be gained by contracting with private water utilities.
This book is open access under a CC BY-NC 4.0 license. This revised, updated textbook presents a systems approach to the planning, management, and operation of water resources infrastructure in the environment. Previously published in 2005 by UNESCO and Deltares (Delft Hydraulics at the time), this new edition, written again with contributions from Jery R. Stedinger, Jozef P. M. Dijkman, and Monique T. Villars, is aimed equally at students and professionals. It introduces readers to the concept of viewing issues involving water resources as a system of multiple interacting components and scales. It offers guidelines for initiating and carrying out water resource system planning and management projects. It introduces alternative optimization, simulation, and statistical methods useful for project identification, design, siting, operation and evaluation and for studying post-planning issues. The authors cover both basin-wide and urban water issues and present ways of identifying and evaluating alternatives for addressing multiple-purpose and multi-objective water quantity and quality management challenges. Reinforced with cases studies, exercises, and media supplements throughout, the text is ideal for upper-level undergraduate and graduate courses in water resource planning and management as well as for practicing planners and engineers in the field.
Effective management of urban water should be based on a scientific understanding of the impact of human activity on both the urban hydrological cycle - including its processes and interactions - and the environment itself. Such anthropogenic impacts, which vary broadly in time and space, need to be quantified with respect to local climate, urban d
We, the editors, have long believed that a strong knowledge of relatively simple economic and engineering concepts is valuable in solving water management problems. The lack of such knowledge has been apparent to us in some of the journal articles, research proposals and books we have reviewed. The articles which have been written concerning specific local water economies and management issues are scattered over a wide variety of journals, making them hard to access. Most of the extensive water resources literature is concerned with large regional water projects or with narrow technical and regional issues. This book was written to make practical economic and engineering concepts readily available to urban water supply managers, thereby filling a gap in the available literature. It is concerned with decisions made daily, monthly, or annually by managers of urban water supply systems. The book includes basic chapters presenting supply and cost concepts, calculation of demand elasticities, use of marketing concepts, public goods analysis, water markets, industrial water demand and the use of price in water conservation. The authors have included multiple examples of how these concepts can aid in managing urban water supply. The water provider is generally a governmental entity or regulated private utility. Most books on public utilities and their management emphasize gas, electricity, or telephone rather than water. Water is different because of m~or variations in quality by source and the necessity for proper disposal of waste water.
Water control is essential to Japan, as more than half of its invested capital is concentrated in elevations under sea level and the majority of the island nation is exceptionally vulnerable to flooding. To avoid potential crisis, the Japanese have developed exceptionally innovative water management practices. Offering the unique perspective of Dutch engineers, considered the world’s most progressive urban water experts, this volume provide a detailed look at how Japan has developed its modern water system. It looks at the system of Tokyo city, discusses river management practices and urban flood control throughout the country, and considers the impact that these innovations have had on delta regions.
Each year more than 200 million people are affected by floods, tropical storms, droughts, earthquakes, and also operational failures, wars, terrorism, vandalism, and accidents involving hazardous materials. These are part of the wide variety of events that cause death, injury, and significant economic losses for the countries affected. In an environment where natural hazards are present, local actions are decisive in all stages of risk management: in the work of prevention and mitigation, in rehabilitation and reconstruction, and above all in emergency response and the provision of basic services to the affected population. Commitment to systematic vulnerability reduction is crucial to ensure the resilience of communities and populations to the impact of natural and manmade hazards. Current challenges for the water and sanitation sector require an increase in sustainable access to water and sanitation services in residential areas, where natural hazards pose the greatest risk. In settlements located on unstable and risk-prone land there is growing environmental degradation coupled with extreme conditions of poverty that increase vulnerability. The development of local capacity and risk management play vital roles in obtaining sustainability of water and sanitation systems as well as for the communities themselves. Unfortunately water may also represent a potential target for terrorist activity or war conflict and a deliberate contamination of water is a potential public health threat. An approach which considers the needs of communities and institutions is particularly important in urban areas affected by armed conflict. Risk management for large rehabilitation projects has to deal with major changes caused by conflict: damaged or destroyed infrastructure, increased population, corrupt or inefficient water utilities, and impoverished communities. Water supply and sanitation are amongst the first considerations in disaster response. The greatest water-borne risk to health in most emergencies is the transmission of faecal pathogens, due to inadequate sanitation, hygiene and protection of water sources. However, some disasters, including those involving damage to chemical and nuclear industrial installations, or involving volcanic activity, may create acute problems from chemical or radiological water pollution. Sanitation includes safe excreta disposal, drainage of wastewater and rainwater, solid waste disposal and vector control. This book is based on the discussions and papers prepared for the NATO Advanced Research Workshop that took place in Ohrid, Macedonia under the auspices of the NATO Security Through Science Programme and addressed problems Risk management of water supply and sanitation systems impaired by operational failures, natural disasters and war conflicts. The main purpose of the workshop was to critically assess the existing knowledge on Risk management of water supply and sanitation systems, with respect to diverse conditions in participating countries, and promote close co-operation among scientists with different professional experience from different countries. The ARW technical program comprised papers on 4 topics, : (a) Vulnerability of Wastewater and Sanitation Systems, (b) Vulnerability of Drinking Water Systems, (c) Emergency response plans, and (d) Case studies from regions affected by Drinking Water System, Wastewater and Sanitation System failures.
Climate Change, Water Supply and Sanitation: Risk Assessment, Management, Mitigation and Reduction pulls together the final outcomes and recommendations from the PREPARED project that originated from the WSSTP (Water Supply and Sanitation Technology Platform) thematic working group Sustainable Water Management in Urban areas. The PREPARED project confirms and demonstrates the technological preparedness of water supply and sanitation systems of ten cities in Europe and also Melbourne and Seattle to adapt to the expected impacts of climate change. It shows that the water supply and sanitation systems of cities and their catchments can adapt and be resilient to the challenges of climate change; and that the technological, managerial and policy adaptation of these PREPARED cities can be cost effective, carbon efficient and exportable to other urban areas within Europe and the rest of the world. The book: addresses issues related to the management of water, waste water and storm water that are impacted by climate change both in quantitative and qualitative aspects; addresses many of the Pan-European problems and optimises tests and implements adaptive solutions that contribute towards an integrated and coordinated approach; develops adaptation strategies, considering and weighting the mitigation side of solutions to minimise our carbon- and water footprint; improves resilience to deal with the impact of climate change; and contributes to the development of the knowledge base where it concerns the water supply and sanitation sector. Editors: Adriana Hulsmann, KWR Watercycle Research Institute, The Netherlands, Gesche Grützmacher Berliner Wasser Betriebe, Germany, Gerard van den Berg, KWR Watercycle Research Institute, The Netherlands, Wolfgang Rauch, University Innsbruck, Austria, Anders Lynggaard Jensen, DHI Aarhus, Denmark, Victor Popovych, Institute of Agriculture of Crimea, Mario Rosario, Mazzola University of Palermo, Italy. Lydia S. Vamvakeridou-Lyroudia, University of Exeter, UK, Dragan A. Savic, University of Exeter, UK