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Uncertainty, Risk and Transient Pollution Events

Science & Math

Beck, M.B.

Biological Sciences

Iwa Pub

The devising and application of instrumentation, control and automation (ICA) techniques is assuming an ever greater importance in water and wastewater management. The high rate of technological progress in these fields is boosting the power and range of their applicability. The 7th ICA workshop provided an unrivalled snapshot of the state of the art in research, development and practical application of ICA. Four invited articles survey developments over the past two decades in ICA in Scandinavia and the USA, and in a UK utility company, and examine the current reconfiguration of ICA in Japan as a fusion of controls, computers and communications. Then, from the large number of papers and posters presented, 44 articles have been selected that present the latest developments in: Management and operational systems Control systems Respirometry and other instrumentation Mathematical modelling. A concluding paper reviews the work presented at the workshop, assesses its significance and identifies likely avenues for future progress.

Instrumentation, Control and Automation of Water and Wastewater Treatment and Transport Systems 1997

Briggs, R.

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 and Ir. J.G.M. van der Lubbe, Biothane Systems International - Veolia, The Netherlands

Handbook of Biological Wastewater Treatment: Design and Optimisation of Activated Sludge Systems

Van Der Lubbe, J. G. M.

Van Haandel, A. C.

Earth Sciences

Milestones in Water Reuse: The Best Success Stories illustrates the benefits of water reuse in integrated water resources management and its role for water cycle management, climate change adaptation and water in the cities of the future. Selected case studies are used to illustrate the different types of water reuse, i.e. agricultural irrigation, golf course and landscape irrigation, urban and industrial uses, environmental enhancement, as well as indirect and direct potable reuse. The various aspects related to water reuse are covered, including treatment technologies, water quality, economics, public acceptance, benefits, keys for success and main constraints. These international case studies highlight the best practices for the implementation of water reuse and provide the perspective for the integration of water recycling projects in the future, both for megacities and rural areas.  Milestones in Water Reuse: The Best Success Stories demonstrates that planned water reuse is a cost competitive and energy-saving option to increase water availability and reliability. This book provides policy makers and regulators with a good understanding of water reuse and helps them to consider recycled water as safe and how it can be used. It is intended to be read by all people in the water sector and shows how water reuse is safe, economically viable, environmentally friendly and can provide high social benefits.  Editors: Valentina Lazarova, Suez Environnement, France Takashi Asano, University of California at Davis, USA Akica Bahri, African Development Bank, Tunisia John Anderson, Afton Water, Australia

Milestones in Water Reuse: The Best Success Stories

Anderson,John

Asano, Takashi

Lazarova, Valentina

Bahri, Akica

Part of OECD Water Policy and Finance Set - Buy all four reports and save over 30% on buying separately! The provision of water supply, sanitation and wastewater services generates substantial benefits for public health, the economy and the environment. Benefits from the provision of basic water supply and sanitation services such as those implied by the millennium development goals are massive and far outstrip costs. Benefit-to-cost ratios have been reported to be as high as 7 to 1 for basic water and sanitation services in developing countries. Wastewater treatment interventions can generate significant benefits for public health, the environment and for certain economic sectors such as fisheries, tourism and property markets, although these benefits may be less obvious to individuals and more difficult to assess in monetary terms. Finally, protecting water resources from pollution and managing water supply and demand in a sustainable manner can deliver clear and sizeable benefits for both investors in the services and end water users. Investments in managing water resources are going to be increasingly needed in the context of increasing water scarcity at the global level. The full magnitude of the benefits of water services is seldom considered for a number of reasons. Non-economic benefits that are difficult to quantify but that are of high value to the concerned individuals and society, i.e. non-use values, dignity, social status, cleanliness and overall well-being are frequently under-estimated. In addition, benefit values are highly location-specific (depending on the prevalence of water-related diseases or the condition of receiving water bodies, for example) and cannot be easily aggregated. Visit the IWA WaterWiki to share material related to this title: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/GoldenTruthsaboutWaterSanitationandHygiene

Benefits of Investing in Water and Sanitation: An OECD Perspective

Organisation for Economic Co-Operation and Development

Nature & Ecology

In many countries, especially in developing countries, many people are lacking access to water and sanitation services and this inadequate service is the main cause of diseases in these countries. Application of appropriate wastewater treatment technologies, which are effective, low cost (in investment and especially in operation and maintenance), simple to operate, proven technologies, is a key component in any strategy aimed at increasing the coverage of wastewater treatment. Sustainable Treatment and Reuse of Municipal Wastewater presents the concepts of appropriate technology for wastewater treatment and the issues of strategy and policy for increasing wastewater treatment coverage. The book focuses on the resolution of wastewater treatment and disposal problems in developing countries, however the concepts presented are valid and applicable anywhere and plants based on combined unit processes of appropriate technology can also be used in developed countries and provide to them the benefits described. Sustainable Treatment and Reuse of Municipal Wastewater presents the basic engineering design procedures to obtain high quality effluents by treatment plants based on simple, low cost and easy to operate processes. The main message of the book is the idea of the ability to combine unit processes to create a treatment plant based on a series of appropriate technology processes which jointly can generate any required effluent quality. A plant based on a combination of appropriate technology unit processes is still easy to operate and is usually of lower costs than conventional processes in terms of investment and certainly in operation and maintenance. Chapters in the book are organized in a practical and accessible way to: Demonstrate selected unit process of appropriate technology and provide the scientific basis, the equations and the parameters required to design the unit processes, with some innovations developed by the authors.Highlight design procedures for selected combined processes which are in use in developing countries.Propose an innovative Orderly Design Method (ODM), which is easy to follow by practicing engineers, using the equations and formulas developed, once the fundamentals of each unit and combined process have been established. Provide a numeric example for the basic design of each selected appropriate technology process for a city with a population of 20,000 using the ODM and an Excel program which will be provided to the readers for download from an online web page. This book is a valuable and practical resource for all wastewater treatment engineers in field and the operational managers of waste treatment facilities. Authors: Menahem Libhaber, PhD, Consulting Engineer to the World Bank and other institutions, Alvaro Orozco Jaramillo, MSc, Consulting Engineer to the World Bank, the Inter-American Development Bank, Biwater and other institutions in various countries.

Sustainable Treatment and Reuse of Municipal Wastewater: For Decision Makers and Practicing Engineers

Menahem Libhaber

Alvaro Orozco Jaramillo

<ul>
<li>Examines all aspects of water safety and security </li>
<li>Evaluates the potential terrorist threat to the water supply system </li>
<li>Presents qualitative and quantitative processes and models for security and safe operation of facilities and critical infrastructure </li>
<li>Explores recent incidences of levels of drugs in the water supply </li>
<li>Offers various risk and vulnerability methodologies for assessing critical infrastructure security </li>
</ul>One of the seventeen critical infrastructures vital to the security of the United States, the water supply system remains largely unprotected from the threat of terrorism, including possible revenge by Al Qaeda over the killing of Osama Bin Laden. Recognizing and identifying prospective events of terrorism against the water infrastructure is critical to the protection of the nation, as the consequences triggered by a terrorist attack on the water supply would be devastating. Risk Assessment for Water Infrastructure: Safety and Security provides a unique quantitative risk assessment methodology for protection and security against terrorist contamination, vandalism, attacks against dams, and other threats to water supply systems. Focusing on the human safety, environmental, and economic consequences triggered by potential terrorist attacks and other threats, the book presents: <ul>
<li>The development of an integrated approach of risk assessment based upon the cumulative prospect theory</li>
<li>The qualitative/quantitative processes and models for security and safe facility operations as required by EPA, DHS, and other governmental and regulatory agencies </li>
<li>The application of an integrated model to the risk assessment of surface water, dams, wells, wastewater treatment facilities, reservoirs, and aqueducts of large urban regions </li>
<li>The development of intelligence analysis incorporating risk assessment for terrorism prevention </li>
</ul>Finally, Risk Assessment for Water Infrastructure: Safety and Security presents the legal and regulatory requirements and policy related to the protection and security of water infrastructure from terrorism and natural hazards to both human health and the environment. By analyzing potential terrorist risks against the water supply, strategic improvements in U.S. water infrastructure security may be achieved, including changes in policy, incorporation of intrusion detection technology, increased surveillance, and increased intelligence. More information about the book can be found on the Water Wiki in an article written by the author. More information about the book can be found in this article written by the author for the WaterWiki: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/Articlename_0 Author: Anna M. Doro-on is an engineer with over 12 years professional experience in design, construction, and utility infrastructure projects. She specializes in the development and application of innovative environmental remediation technologies; civil, environmental, and water resources engineering; water and wastewater infrastructure design and rehabilitation; risk assessment and management for critical infrastructure with focus on terrorism, weapons of mass destruction, and public health protection; reduction of contamination to water resources and the environment; quantitative risk assessment for catastrophic event prevention; technology development; and project inspections and monitoring. She holds M.S. and Ph.D. degrees in Civil Engineering and Environmental Science &amp; Engineering respectively, both from The University of Texas at San Antonio. Risk Assessment for Water Infrastructure Safety and Security is co-published with CRC Press

Risk Assessment for Water Infrastructure Safety and Security

Doro-on, Anna

Water Services Management and Governance focuses on water services (water supply, wastewater services) and deals with connections between water resources and services and water resources. It covers water supply mainly in urban communities, sanitation and pollution control and water resources and their linkages to water services. This book is divided in to four key sections relating to governance frameworks, technology and socio-ecological interactions, government and governance, and long terms policies. The chapters analyse the complexity of the water services sector based on a historical analysis of developments within the sector. The underlying conviction is that only by understanding past trends, processes and developments can the current situation in the water services be understood. Only through this understanding can policies for sustainable water services in the future be formulated. The four key sections relate to governance frameworks, technology and socio-ecological interactions, government and governance, and long terms policies. Water Services Management and Governance raises awareness that an understanding of the past is a necessity to explore potential, probable and preferable futures. It is an essential basis for water sector reforms in any country, region or community. The book is written for experts in water utilities, ministries, municipalities, NGOs, donor agencies, private companies and regulators; as well as students and researchers in water policy and governance, and the management of water resources, services and infrastructure. EDITORS Dr. Petri S. Juuti is a historian, and Adjunct Professor in the universities of Tampere, Oulu and Turku. Tapio S. Katko, Civil engineer, Adjunct Professor, UNESCO Chairholder in Sustainable Water Services at Tampere University of Technology, Finland. Klaas Schwartz, Senior Lecturer, Urban Water Governance in the Department of Integrated Water Systems and Governance at the UNESCO-IHE Institute for Water Education, Delft, the Netherlands. Assistant Editor: Riikka P. Rajala, Environmental Engineer, Post-Doctoral researcher in University of Tampere, Finland. REVIEWS "This welcome addition to the literature on water governance is a timely, thorough, and practical set of assessments of management challenges facing water service providers around the world. The diverse set of case studies, many of which focus on reforms to water supply provision, will be of interest to students and practitioners alike." KAREN BAKKER, Professor/Canada Research Chair, Director of the Program on Water Governance, The University of British Columbia "The anthology makes a very useful contribution to speed up the slow political awakening of reaching universal water services coverage: The lack of water services is in most cases not due to shortages of water, money and technologies, it is rather about poor governance. It provides many different insights from various cultural and political contexts and outlines and explains current changes in the governance architectures of water supply and sanitation." DR. HAKAN TROPP, Director, Water Governance Facility, Stockholm International Water Institute (SIWI)

Water Services Management and Governance: Lessons for a Sustainable Future (Governance and Management for Sustainable Water Systems)

Business & Money

Economics

Water and Energy - Threats and Opportunities creates an awareness of the important couplings between water and energy. It shows how energy is used in all the various water cycle operations and demonstrates how water is used - and misused - in all kinds of energy production and generation. Population increase, climate change and an increasing competition between food and fuel production create enormous pressures on both water and energy availability. Since there is no replacement for water, water security looks more crucial than energy security. This is true not only in developing countries but also in the most advanced countries. The western parts of the USA suffer from water scarcity that provides a real security threat. The book does not aim to show “how to design” or to solve some of the very intricate conflicts between water and energy. Instead it systematically lists ideas, possibilities and a number of results. There are a few more technical chapters that act as entry points to more detailed technical literature. Part One of the book describes the water-energy nexus, the conflicts and competitions and the couplings between water security, energy security, and food security. Part Two captures how climate change, population increase and the growing food demand will have major impact on water availability in many countries in the world. Part Three describes water for energy and how energy production and conversion depend on water availability. As a consequence, all planning has to take both water and energy into consideration. The environmental (including water) consequences of oil and coal exploration and refining are huge, in North America as well as in the rest of the world. Furthermore, oil leak accidents have hit America, Africa, Europe as well as Asia. The consequences of hydropower are discussed and the competition between hydropower generation, flood control and water storage is illustrated. The importance of water for cooling thermal power plants is described, as this was so tragically demonstrated at the Fukushima nuclear plants in 2011. Climate change will further emphasize the strong coupling between water availability and the operation of power plants. Part Four analyses energy for water - how water production and treatment depend on energy. The book shows that a lot can be done to improve equipment, develop processes and apply advanced monitoring and control to save energy for water operations. Significant amounts of energy can be saved by better pumping, the reduction of leakages, controlled aeration in biological wastewater treatment, more efficient biogas production, and by improved desalination processes. The water-energy issue is not only about technology. It is our attitudes and our lifestyle that can significantly influence the consumption of both water and energy. We all have to be reminded that water is energy and energy is water. The book is aimed at various kinds of readers: The politician and decision maker - providing a holistic view; The engineer who wishes to find out about the key issues and to understand the strong driving forces from the increasing population, climate change and the food supply in the world; The student who wishes to get an overview of future challenges and new possibilities; The planner - water and energy have to be planned together; The designer of a water and wastewater system - how does energy come in? The operator of a water or a wastewater treatment plant - what are the possibilities to make the system more efficient; The wastewater treatment manager - what are the possibilities to save and recover energy in a wastewater treatment plant; The researcher – looking for connections between different specialities. What kind of cross-disciplinary research would be needed; The power and energy professional – mostly the water issue is forgotten - until there is water scarcity; The water professional – it is not only a matter of operating water systems efficiently. Water professionals have to be much more engaged in the water quantity and water quality implications of energy generation. It is too late to attack the problems by developing methods for the treatment of contaminated water. The water consumption and the water pollution simply have to be closely watched already at the energy production phase. About the author: Gustaf Olsson, Professor Em. in Industrial Automation, Lund University, Sweden Since 2006 Gustaf is professor emeritus at Lund University, Sweden. Gustaf has devoted his research to control and automation in water systems, electrical power systems and process industries. From 2006 to 2008 he was part time professor in electrical power systems at Chalmers University of Technology, Sweden. Since 2006 he has been guest professor at the Technical University of Malaysia (UTM) and at the Tsinghua University in Beijing, China; about one month per year at each university. He is an honorary faculty member of the Exeter University in UK. Gustaf has served in various positions within IWA, the International Water Association. Between 2005 and 2010 he was the editor-in-chief of the journals Water Science and Technology and Water Science and Technology/Water Supply. From 2007 to 2010 he has been a member of the IWA Board of Directors. Gustaf has guided 23 PhDs and a few hundred MSc students to their exams. He has received the Lund University pedagogical award for "distinguished achievements in the education". The Lund University engineering students have elected him as the "teacher of the year". In 2010 he received the IWA Publication Award. Except in China and Malaysia he has spent extended periods as a guest professor and visiting researcher at universities and companies in the USA, Australia and Japan and has been invited as a guest lecturer in 19 countries outside Sweden. He has authored six books - some of them published in English, Russian, German and Chinese - and about 160 scientific publications. Three PowerPoint presentations are available for Water and Energy - threats and opportunities: Water and Energy: Modelling, Control and Automation Challenges - Part 1, Water and Energy: Modelling, Control and Automation Challenges - Part 2, and Water and Energy: Modelling, Control and Automation Challenges - Part 3. Access them on the WaterWiki here: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/WaterandEnergy

Water and Energy: Threats and Opportunities

Olsson, Gustaf

Water quality processes in the drinking water distribution network are strongly influenced by the flow velocity and residence time of the water in the network. In order to understand how the water quality changes in the drinking water distribution network, a good understanding of hydraulics is required. Specifically in the periphery of the network, where customers are connected, the hydraulics can change rapidly. During the night time the water is almost stagnant and the residence time increases. In the morning, when everybody gets up and flushes the toilet and takes a shower, high flow velocities can occur. During the remainder of the day flow velocities are low. The stochastic endues model SIMDEUM was developed to simulate water use on a small time scale (1 s) and small spatial scale (per fixture). SIMDEUM enables a good model of flow velocities, residence times and the connected water quality processes in the water distribution network. Stochastic Water Demand Modelling: Hydraulics in Water Distribution Networks describes the requirements of hydraulics in water quality modelling and provides insight into the development of detailed residential and non-residential water demand models. The book illustrates the use of detailed demand models in water quality models with respect to the variation in residence times and the relation with particle accumulation and resuspension. The models are compared to measurements in several real drinking water distribution networks.

Stochastic Water Demand Modelling: Hydraulics in Water Distribution Networks (Kwr Watercycle Research Institute Series)

Blokker, Mirjam

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