This volume to discussing the various aspects of estuarine water quality modeling. Topics considered include fundamental principles, estuarine mass transport, BOD/DO and eutrophication model kinetics, kinetics on toxicants, and sediment-water interactions. The book also discusses mixing zone modeling and how to integrate estuarine hydrodynamic and water quality models. Many case studies demonstrating successful model applications are discussed.

Metal contamination of groundwater results from many human activities, including agriculture, mining, and the disposal of municipal waste and fly ash. Metals in Groundwater describes the transport of metals to groundwater from these and other sources. It also covers risk assessment of metals in groundwater, coupling of chemicals and hydrological models, and sorption of metals onto soils and clays. The speciation of metals is examined in detail. The book will interest researchers in environmental quality, mining, and agriculture; consultants; industry professionals; and personnel within regulatory agencies.

Flood Risk and Social Justice is a response to the rising significance of floods and flood-related disasters worldwide, as an initiative to promote a socially just approach to the problems of flood risk. It integrates the human-social and the technological components to provide a holistic view. This book treats flooding as a multi-dimensional human and natural world tragedy that must be accommodated using all the social and technological means that can be mobilised before, during and after the flooding event. It covers socially just flood risk mitigation practices which necessitate a wide range of multidisciplinary approaches, starting from social and wider environmental needs, including feedback cycles between human needs and technological means. Flood Risk and Social Justice looks at how to judge whether a risk is acceptable or not by addressing an understanding of social and phenomenological considerations rather than simple calculations of probabilities multiplied by unwanted outcomes and their balancing between costs and benefits. It is argued that the present 'flood management' practice should be largely replaced by the social justice approach where particular attention is given to deciding what is the right thing to do within a much wider context. Thus it insists upon the validity of modes of human understanding which cannot be addressed within the limited context of modern science. Flood Risk and Social Justice is written to support a wide range of audiences and seeks to improve the dialogue between researchers and practitioners from different disciplines (including post-graduate engineering, environmental and social science students, industry practitioners, academics, planners, environmental advocacy groups and environmental law professionals) who have a strong interest in a new kind of social justice work that can act as a continuous counter-balance to the various mechanisms that unceasingly give rise to profound injustices. More information about this book can be found in this article written for the WaterWiki by the author: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/FloodRiskandSocialJustice Authors: Zoran Vojinovic is Associate Professor at the UNESCO-IHE Institute for Water Education, Delft, the Netherlands, with almost 20 years of consulting and research experience in various aspects of water industry in New Zealand, Australia, Asia, Europe, Central/South America and the Caribbean. Michael B. Abbott is Emeritus Professor at the UNESCO-IHE Institute for Water Education, Delft, the Netherlands, and a Director of the European Institute for Industrial Leadership in Brussels. He founded and developed the disciplines of Computational Hydraulics and Hydroinformatics and co-founded, the Journal of Hydroinformatics with Professor Roger Falconer.

The scope of this comprehensive new edition of Handbook of Biological Wastewater Treatment ranges from the design of the activated sludge system, final settlers, auxiliary units (sludge thickeners and digesters) to pre-treatment units such as primary settlers and UASB reactors. The core of the book deals with the optimized design of biological and chemical nutrient removal. The book presents the state-of-the-art theory concerning the various aspects of the activated sludge system and develops procedures for optimized cost-based design and operation. It offers a truly integrated cost-based design method that can be easily implemented in spreadsheets and adapted to the particular needs of the user. Handbook of Biological Wastewater Treatment: Second Edition incorporates valuable new material that improves the instructive qualities of the first edition. The book has a new structure that makes the material more readily understandable and the numerous additional examples clarify the text. On the website www.wastewaterhandbook.com three free excel design spreadsheets for different configurations (secondary treatment with and without primary settling and nitrogen removal) can be downloaded to get the reader started with their own design projects. New sections have been added throughout: to explain the difference between true and apparent yield while the section on the F/M ratio, and especially the reasons not to use it, has been expanded; to demonstrate the effect of the oxygen recycle to the anoxic zones on both the denitrification capacity and the concept of available nitrate is explained in more detail. the latest developments on the causes and solution to sludge bulking and scum formation to show the rapid developments of innovative nitrogen removal and sludge separation problems the anaerobic pre-treatment section is completely rewritten based on the experiences obtained from an extensive review of large full-scale UASB based sewage treatment plants a new section on industrial anaerobic wastewater treatment three new appendices have been added. These deal with the calibration of the denitrification model, empirical design guidelines for final settler design (STORA/STOWA and ATV) and with the potential for development of denitrification in the final settler. A new chapter on moving bed biofilm reactors Handbook of Biological Wastewater Treatment: Second Edition is written for post graduate students and engineers in consulting firms and environmental protection agencies. It is an invaluable resource for everybody working in the field of wastewater treatment. Lecturer support material is available when adopted for university courses. This includes course material for the first 7 modules in the form of PDF printouts and an exercise file with questions and answers and a symbol list. AUTHORS Prof. dr. ir. A.C. van Haandel, Federal University of Campina Grande - Brazil Ir. J.G.M. van der Lubbe, Biothane Systems International - Veolia, The Netherlands Table of Contents INTRODUCTION ORGANIC MATERIAL AND BACTERIAL METABOLISM ORGANIC MATERIAL REMOVAL AERATION NITROGEN REMOVAL INNOVATIVE SYSTEMS FOR NITROGEN REMOVAL PHOSPHORUS REMOVAL SLUDGE SETTLING SLUDGE BULKING AND SCUM FORMATION MEMBRANE BIOREACTORS MOVING BED BIOFILM REACTORS SLUDGE TREATMENT AND DISPOSAL ANAEROBIC PRETREATMENT INTEGRATED COST-BASED DESIGN AND OPERATION Appendices DETERMINATION OF THE OXYGEN UPTAKE RATE CALIBRATION OF THE GENERAL MODEL THE NON-IDEAL ACTIVATED SLUDGE SYSTEM DETERMINATION OF NITRIFICATION KINETICS DETERMINATION OF DENITRIFICATION KINETICS EXTENSIONS TO THE IDEAL MODEL EMPIRIC METHODS FOR FINAL SETTLER SIZING RISK OF DENITRIFICATION IN THE FINAL SETTLER AEROBIC GRANULATED SLUDGE

This book describes how natural or constructed wetlands can be used to reduce pollution of freshwater and coastal ecosystems, while still preserving their biodiversity and ecological functions. Through a series of case histories described in 10 chapters in the monograph, the readers will gain an understanding of the opportunities, as well as the challenges associated with reducing point and non-point source pollution using natural, restored or constructed wetlands. The target audience will be water practitioners involved in projects utilizing integrated watershed management approaches to pollution abatement, as well as researchers who are designing projects focused on this topic.

Biomethane through resource circularity: Research, Technology and Practices is an invaluable resource for researchers, policy makers, implementers and PhD and Marsters level students in universities analyzing the present status, waste biomass including agro wastes, success in experimentation & commercial production, future needs and other relevant areas. While huge biomass is wasted by open burning, there is potential of energy generation that can be extracted from the biomass preventing GHG emission and creating business opportunities. Abundance and renewable bioenergy can contribute to a more secure, sustainable, and economically sound future through biomethanation process by selecting followings: Supply chain sustainability of clean energy sources Appropriate Anaerobic Digestion technology with different feedstock Processes Parameter Optimization and best fit conditions, Productivity, Purification of biogas and end use Economic feasibility as business case, Commercialization, generating employment and Revitalizing rural economies This book addresses most of the above issues in lucid manner by experts in the field from different countries which are helpful for the related stakeholders edited by experts in the field.

This book provides a comprehensive examination of water resource management in the Omo-Turkana Basin, linking together biophysical, socioeconomic, policy, institutional and governance issues in a solutions-oriented manner. The Omo-Turkana Basin is one of the most important lake basins in Africa, and despite the likely transboundary impacts associated with the management of dams, it is the largest lake basin in Africa without a cooperative water agreement. This volume provides a foundation for integrated decision-making in the management of development in the Lake Turkana Basin. Chapters cover water-related conditions, hydropower, agriculture, ecosystems, resilience and transboundary governance. The final chapter proposes ways forward in light of the potential benefits that can be achieved through cooperation, and practical realities that cooperation is slow and may take time to achieve. This book will be of great interest to students and scholars of water and natural resource management, environmental policy, sustainable development and African studies. It will also be relevant to water management professionals.

Oil Spill Dispersants: Mechanisms of Action and Laboratory Tests provides a comprehensive summary of current information available regarding the general formulation of commercial dispersants and their function to lower oil-water interfacial tension. The book considers how chemical dispersants work for oil spills, the properties and chemistry of oils (including weathering state), the variables that affect dispersant performance, and the relationships between laboratory methods and field situations.
The book also considers the strengths and limitations of specific laboratory tests, including brief discussions of the applicability of results for estimating dispersant performance in field trials or conditions encountered during real spill events. Laboratory tests are separated into four groups: tank tests, shake/flask tests, interfacial surface tension tests, and flume tests. Rapid-screen field tests are considered as a separate group. Recommendations for improvements in future laboratory testing are offered as well. Oil Spill Dispersants will be useful for regulators evaluating dispersant agents, field personnel involved with using dispersants, laboratory scientists studying performance and behavior of oil and dispersants, and managers responsible for designing studies related to the treatment of oil slicks with dispersants.

Part of Metals and Related Substances in Drinking Water Set - buy all five books together to save over 30%! There is increasing concern regarding the presence of metals, particularly heavy metals in drinking water. In addition to the well-known toxic effects of lead, which are discussed at length in the Best Practice Guide on the Control of Lead in Drinking Water (in this series of Guides), the latest WHO guide values for maximum mean concentrations of arsenic, nickel and others in drinking water have been lowered compared to previous versions. European Union, USA and National standards for drinking water have followed the trend based largely on the same toxicological information. There is currently growing interest in the presence of hexavalent chromium in drinking water following its finding in some drinking waters in the USA above the national upper limit for total chromium and research suggesting that this limit needs to be considerably lowered. Some metals, particularly iron and manganese are associated with the production of discoloured (dirty) water in distribution systems and are therefore very important to the production of water with acceptable aesthetic qualities. Others (iron and aluminium) are key to the treatment of raw waters to drinking water standards. In most cases it is not possible to continuously monitor waters for metals and suitable sampling programmes must be designed and carried out to give results representative of the true water quality. The Best Practice Guide on Sampling and Monitoring of Metals in Drinking Water gives guidance on the design and quality control of sampling programmes for metals in Raw waters, in the water treatment works, in the drinking water distribution system and at the consumers tap. It also gives guidance on the analytical methods that can be used for the analysis of metals and quality control of those methods. Sampling programmes on the same water will vary according to the purpose for which they are carried out and the statistical techniques used to determine and design the different types of programme are outlined. Finally some case studies of optimisation of sampling are set out. Best Practice Guide on Sampling and Monitoring of Metals in Drinking Water is a valuable text for scientists, engineers and quality managers working in drinking water supply, laboratory managers and scientists who carry out sampling and analysis, and water industry consultants. It is also an excellent resource for post graduate and research workers in the field of drinking water. Editor: Dr Adam Postawa, AGH University, Krakow, Poland

The treadle irrigation pump is able to lift up to 7000 litres of water per hour using the power of the human body, and can be locally made at low cost in small-scale metalworking shops. Its acceptance in Bangladesh, where it was first developed in 1984, is extraordinary, with over 500,000 pumps estimated now to be in use.;The current design offered in this manual has evolved from the Bangladesh original into a fully portable pump with both lift and pressure capacity and is especially appropriate to situations where soils are permeable, and water cannot easily be distributed through channels. The manual is intended to be read primarily by organizations engaged in economic development activities which have a particular expertise in technology transfer; it is not intended just as a step-by-step guide for the manufacturer (although it can be used in this way).

Accurate prediction of wastewater pipe structural and functional deterioration plays an essential role in the utility asset management process and capital investment planning. The key to implementing an asset management strategy is a comprehensive understanding and prediction of asset condition and performance. The primary objective of this research is therefore to develop protocols and methods for predicting the remaining economic life of wastewater pipe assets. The limits of deterioration prediction capabilities are not in mathematical models or statistical analysis methods, but in lack of accurate and consistent data. This report presented the short-term phase-1 which has been completed with results from intensive literature reviews, various interviews with utilities, and pipe associations. In this phase, the research team investigated the life cycle of wastewater pipeline and identified the causes of pipe failure in different phases including design, manufacture, construction, operation and maintenance, and repair/rehabilitation/replacement. The Research team has prepared various modes and mechanisms of pipe failure in wastewater infrastructure system as well as identified environmental and societal consequences of the failure. After reviewing all relevant reports and utility databases, the research team has developed a set of standard pipe parameter list (data structure) and pipe data collection methodology. The data structure has been classified into Gold, Silver, Bronze and Wood standard.

Innovative and Integrated Technologies for the Treatment of Industrial Wastewater deals with advanced technological solutions for the treatment of industrial wastewater such as aerobic granular biomass based systems, advanced oxidation processes integrated with biological treatments, membrane contactors and membrane chemical reactors. Wastewater from pharmaceutical, chemical and food industries as well as landfill leachates are specifically considered as representative of major problems encountered when treating industrial streams. The economic and environmental sustainability of the above solutions are also reported in the book and compared with the alternatives currently available in the market by life cycle assessment (LCA) and life cycle costing (LCC) methodologies. The implementation of the considered solutions at large scale could support and enhance the competitiveness of different industrial sectors, including the water technology sector, in the global market. Innovative and Integrated Technologies for the Treatment of Industrial Wastewater also makes a contribution towards defining: new concepts, processes and technologies in wastewater treatment with potential benefits for the stable quality of effluents, energy and operational costs saving, and the protection of the environment new sets of advanced standards for wastewater treatment new methodologies for the definition of wastewater treatment needs and framework conditions new information supporting development and implementation of water legislation.

This study focuses on sustainability impacts as wastewater treatment plants implement treatment technologies to meet increasingly stringent nutrient limits. The objective is to determine if a point of "diminishing returns" is reached where the sustainability impacts of increased levels of nutrient removal outweigh the benefits of better water quality. Five different hypothetical treatment trains at a nominal 10 mgd flow were developed to meet treatment targets that ranged from cBOD mode (Level 1) to four different nutrient removal targets. The nutrient removal targets ranged from 8 mg N/L; 1 mg P/L (Level 2) to the most stringent at <2 mg N/L; <0.02 mg P/L (Level 5). Given that sustainability is a broad term, the industry-accepted three pillars of sustainability were evaluated and discussed, and particular emphasis was placed on the environmental and economic pillars. The following variables received the most attention: greenhouse gas (GHG) emissions, a water quality surrogate that reflects potential algal growth, capital and operational costs, energy demand, and consumables such as chemicals, gas, diesel, etc. The results from the GHG emissions metric are shown below. Note that biogas cogeneration is represented by negative values as biogas production can be used to offset energy demands. The nitrous oxide (N2O) emissions values are based on the average biological nutrient removal (BNR) and non-BNR plants evaluated in the United States national survey by Ahn et al. (2010b). The error bars represent the data range of the national survey. The GHG emissions results suggest that a point of diminishing return is reached at Level 4 (3 mg N/L; 0.1 mg P/L). The GHG emissions show a steady increase from Levels 1 to 4, followed by a 65% increase when moving from Level 4 to 5. Despite a 70% increase in GHGs, the discharged nutrient load only decreases by 1% by going from Level 4 to 5. The primary contributors to GHG emissions are energy related (aeration, pumping, mixing). The GHG emissions associated with chemical use increases for the more stringent nutrient targets that required chemical treatment in addition to biological nutrient removal. In terms of cost, the total project capital cost increases approximately one-third from $9.3 million to $12.7 million for changing from Level 1 to 2, followed by a more than doubling in cost when changing from Level 1 to 5. Total project capital costs in this report are for a Greenfield plant. The operational cost increase between levels is more pronounced than total project capital cost with more than five-times increase from Level 1 to 5 ($250/MG treated to $1,370/MG treated, respectively). This report focused on in-plant (point source) options for nutrient removal and the implications for cost and sustainability. Other approaches, such as addressing non-point sources, could be added to the assessment. Rather than focusing strictly on point source dischargers and requiring Level 4 or 5 treatments, Level 3 or 4 treatments complimented with best management practices of non-point sources might be a more sustainable approach at achieving comparable water quality.

Landfilling of waste has increased dramatically over recent years and there have been many examples of landfills which are unacceptable on environmental and health grounds. This is one of a group of international reference books which address this problem, specifically in this case covering the strongly contaminated wastewater developed from landfills.

This report focuses on the urban water management challenges facing cities across OECD countries, and explores both national and local policy responses with respect to water-risk exposure, the state of urban infrastructures and dynamics, and institutional and governance architectures. The analyses focus on four mutually dependent dimensions - finance, innovation, urban-rural co-operation and governance - and proposes a solutions-oriented typology based on urban characteristics. The report underlines that sustainable urban water management will depend on collaboration across different tiers of government working together with local initiatives and stakeholders.

This book is the first of its kind on the emerging topic of source-to-sea management. It showcases different applications of the concept to improve the environmental health of freshwater, land and coastal and marine systems, drawing upon research performed across Europe, Africa and Asia. Improved management of land, freshwater, coasts and oceans is a key environmental challenge of our time. It is needed to prevent the millions of tons of plastic and other pollutants that enter the ocean from land-based sources each year. It is essential to reduce highly polluted, oxygen-depleted "dead zones" in our coastal and marine waters. Extensive diversions of the flows of rivers need to be avoided to ensure that little or no water reaches the sea. Source-to-sea (S2S) is an emerging concept to improve understanding of how to effectively manage freshwater, land, coastal and marine systems. The collected works in this book explore experiences with S2S management in diverse regions across Europe, Asia, Africa and Australia, addressing sedimentation, nutrient and pharmaceutical pollution in freshwater and marine aquatic environments, and marine debris on the coasts and in the seas. It provides key insights into a few areas that should be of interest to those who want to learn from the lessons from case studies of applied S2S interventions. This book will be of great value to scholars, students and researchers interested in global freshwater, coastal zone, ocean management, sustainable development and environmental governance. The chapters in this book were originally published as a special issue of the journal Water International.

Water resources allocation determines who is able to use water resources, how, when and where. It directly affects the value (economic, ecological, socio-cultural) that individuals and society obtain from water resources. This report overviews how allocation works in a range of countries and how the performance of allocation arrangements can be improved to adjust to changing conditions. Capturing information from 27 OECD countries and key partner economies, the report presents key findings from the OECD Survey of Water Resources Allocation and case studies of successful allocation reform. It provides practical policy guidance for water allocation in the form of a "health check", which can be used to assess the performance of current arrangements and manage the transition to improved regimes.

The ultimate in recycling, composting has been in use in some form since ancient times. A well-managed composting facility should exist as a good neighbor contributing to ecology. However, since local populations often perceive risks if a composting facility is built nearby, composting facilities must be designed and operated with minimal odor, dust, and noise emissions. Industrial Composting examines the key operational aspects and problems associated with composting, with strong emphasis on odor mitigation, pathogens, and aerosols. Designed for composting professionals and supported by extensive quality references, this book covers: Facilities Planning and Design Odor Management Design, Material, Energy, and Water Balances Economics of Product Marketing and Sales Public Relations, Participation, and Communication Regulations Pathogen Concentrations as Related to Feedstocks Bioaerosols Associated with Composting and Their Potential Diseases While many books cover composting, most of those currently available are either out of date or contain only a few chapters on the subject. With interest growing in the use of composting for biosolids, food wastes, and other specialty areas, the need for an up-to-date, focused resource is also increasing. To assist composting practitioners, community decision makers, and advocates, Industrial Composting brings recent advances and best practices in composting together in an accessible, professional volume.

This book deals with a wide range of current development issues relating to subjects including community management, groundwater, health and disease, institutional development, irrigation, sanitation, solid waste management, water quality, water sources, water supply and water treatment. It presents over forty papers presented at the 19th WEDC Conference held in Accra, Ghana, in 1993. Material is drawn from countries in all parts of the world.

Guidance for Professional Development in Drinking Water and Wastewater Industry recognises the water practitioners journey from the novice student phase all the way to an established expert position, both on technological and professional fronts. This book reviews various career phases and helps realise purpose, motivation, responsibilities and milestones for each professional stage. Since professional journeys are significantly different for individuals and designations, titles vary widely from organization to organization, general terminologies are used for describing career phases, mainly Student Phase, Entry-Level Professional, Mid-Level Professional and Established Practitioner. This guide helps the reader to understand a step-by-step professional development process in the industry and at the same time receive key inputs to minimise or avoid common mistakes related to the drinking water or wastewater occupations. The book provides an overview of common educational options available for students including short-term courses, diploma and certificates, associate degrees, bachelor degree, masters degree, doctorate degree, post-doctoral fellowship and continued education. With respect to job profiles, the guide covers different professional avenues such as consultant, engineer, designer, researcher, academic faculty member, sales and marketing, permitting authority staff, laboratory professionals, system operators, construction management staff, manufacturing and industry staff. In terms of technological knowledge, both drinking water and wastewater infrastructure systems are reviewed in the book. Discussions on drinking water systems mainly include intake structures, treatment systems, distributions network components whereas wastewater systems include collection and conveyance systems, treatment options and sludge management systems. Guidance for Professional Development in Drinking Water and Wastewater Industryis useful for every professional in the industry and particularly prospective students. It can be used by mentors and established practitioners as a guidance tool for training newcomers. Author: Archis Ambulkar, Harrisburg, PA, USA

With the recent advent of improved analytical and biomarker detection capabilities, a variety of organic chemicals have been found in trace amounts (Trace Organic Chemicals, TOrCs) in surface waters and fish tissue. TOrCs include pharmaceuticals, personal care products, surfactants, pesticides, flame retardants, and other organic chemicals, some with unknown modes of action or effects. Identifying or predicting ecological effects of TOrCs in typical aquatic multi-stressor situations is challenging, requiring a variety of epidemiological tools that together, can diagnose effects at multiple scales of ecological organization. Five objectives were addressed in this research: (1) develop and apply a procedure to prioritize which TOrCs are of most concern; (2) develop and test a conceptual site screening framework; (3) evaluate and test diagnostic approaches to identify potential risks due to TOrCs using various case studies; (4) develop a relational database and user interface with which the water resource community can enter, store, and search TOrC exposure data in the U.S.; and (5) foster partnerships and transfer knowledge gained in this research to the water quality community. TOrC fate, effects, and occurrence data were compiled in a database for over 500 organic chemicals based on over 100 published studies representing more than 50 organizations and 700 sites. Alternative risk-based prioritization processes and draft lists of high priority TOrCs were developed. A preliminary site screening and diagnostic framework was developed and evaluated using seven different case study sites. EPA's causal analysis (stressor identification) procedures, Canada's Environmental Effects Monitoring (EEM) procedure, the ecosystem model CASM (Comprehensive Aquatic System Model), and several other specialized diagnostic tools were used and evaluated. A relational database based on Tetra Tech's EDAS2 was developed using the Microsoft platform. The modified version of EDAS2, built on the EPA WQX data model, provides web-based data queries using a combination of tabular data for downloads and a visual map interface that allows the user to view, query, and select sites from the map having chemical or biological data. The database is not discussed in this report but can be accessed through WERF. This Final Report summarizes all other approaches used and results obtained in this research, discusses critical data gaps and other important uncertainties, and provides testable hypotheses and recommendations for Phase 2 testing and analyses.

This book brings together contributions from experts in water management, scientists, researchers, academics and lecturers, sharing experiences and successes in this field. It is devoted to a wide range of water resources management issues, including water quality to water quantity, considering all impacts of water issues in the environment. The book presents international approaches to the latest developments in both the fundamental bases and the applicability of state-of-the-art knowledge that can be effectively used for solving a variety of large problems in integrated water resources management. The main focus of the book is on water pollution - physical, chemical, biological, and geographical pollution, hydrology problems, and limnology tasks.

Reverse osmosis is the dominant technology in water desalination. However, some critical issues remain open: improvement of water quality, enhancement of the recovery factor, reduction of the unit water cost, minimizing the brine disposal impact. This book aims to solve these problems with an innovative approach based on the integration of different membrane operations in pre-treatment and post-treatment stages. Membrane-Based Desalination: An Integrated Approach (acronym MEDINA) has been a three year project funded by the European Commission within the 6th Framework Program. The project team has developed a work programme aiming to improve the current design and operation practices of membrane systems used for water desalination, trying to solve or, at least, to decrease the critical issues of sea and brackish water desalination systems. In the book, the main results achieved in the nine Work Packages constituting the project will be described, and dismissed by the leaders of the various WPs. The following areas are explored in the book: the development of advanced analytical methods for feed water characterization, appropriate fouling indicators and prediction tools, procedures and protocols at full-scale desalination facilities; the identification of optimal seawater pre-treatment strategies by designing advanced hybrid membrane processes (submerged hollow fibre filtration/reaction, adsorption/ion exchange/ozonation) and comparison with conventional methods; the optimisation of RO membrane module configuration, cleaning strategies, reduction of scaling potential by NF; the development of strategies aiming to approach the concept of Zero Liquid Discharge (increasing the water recovery factor up to 95% by using Membrane Distillation - MD; bringing concentrates to solids by Membrane Crystallization or Wind Intensified Enhanced Evaporation) and to reduce the brine disposal environmental impact and cost; increase the sustainability of desalination process by reducing energy consumption (evaluation of MD, demonstration of a new energy recovery device for SWRO installations) and use of renewable energy (wind and solar). Colour figures (PDF, 6MB) Visit the IWA WaterWiki to read and share material related to this title: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/WaterdesalinationandEuropeanresearch

It is predicted that climate change will result in big changes to the global distribution of rainfall, causing drought and desertification in some regions and floods in others. Already there are signs of such changes occurring, with particularly serious consequences for poorer countries. The need for international cooperation in managing the effects of climate change, and other influences on the hydrological cycle, is becoming urgent. Future wars may well be fought over water. This book is part of a series focusing on key issues in environmental science and technology. Focusing on the sustainability of water supplies to the growing populations throughout the world, this volume consists of articles contributed by a group of experts drawn from around the globe. Issues covered include: policy making in the European Union; rural water supplies in Africa; chemical monitoring and analytical methods; water use in agriculture; social justice in supplying water; potable water recycling, and sustainable water treatment. The book will be useful to those working in the water industry, policy makers and planners, researchers and environmental consultants, and students in environmental science, technology, engineering, and management. There is also much here to interest all concerned with major environmental issues such as climate change and the many other factors which influence the sustainability of water supplies.

This book presents solutions to address water security in rapidly urbanizing cities, and explores the new paradigms of water security in changing contexts. Highlighting the latest developments in water research, changes in water policy, and current discourses on water security, the book also provides information and tools for local stakeholders, water managers, and policymakers to build the capacity for sustainable water governance. The book discusses a wide range of sustainable solutions and their implementation to ensure that the balance between water supply and demand remains sustainable in the long term, with a focus on local solutions to build capacity and developing policy awareness for a wide range of stakeholders. As the concept of urban water security in changing contexts is open to multiple interpretations, the authors set out various approaches. Providing an overview of the changing perspectives of urban water security in different contexts, the book is based on findings of the Asia-Pacific Network water security project at the United Nations University, Tokyo, as well as the authors' current research-based at Pokhara University, Nepal, Hosei University, Tokyo, Institute for the Global Environmental Strategies, Japan and the Australian National University, Australia. The book also includes the views of international authorities (such as water experts) on the subject. The solutions are complemented by analysis of case studies of various localized sustainable solutions at different scales. The book is a valuable resource for water professionals and policymakers around the globe, academics, teachers working in water-related areas, NGOs, think thanks, water research institutes, donor organizations, and international and local water utility services.