Water Reuse

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Publisher : National Academies Press
ISBN 13 : 0309224624
Total Pages : 276 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Water Reuse by : National Research Council

Download or read book Water Reuse written by National Research Council and published by National Academies Press. This book was released on 2012-07-17 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding water reuse-the use of treated wastewater for beneficial purposes including irrigation, industrial uses, and drinking water augmentation-could significantly increase the nation's total available water resources. Water Reuse presents a portfolio of treatment options available to mitigate water quality issues in reclaimed water along with new analysis suggesting that the risk of exposure to certain microbial and chemical contaminants from drinking reclaimed water does not appear to be any higher than the risk experienced in at least some current drinking water treatment systems, and may be orders of magnitude lower. This report recommends adjustments to the federal regulatory framework that could enhance public health protection for both planned and unplanned (or de facto) reuse and increase public confidence in water reuse.

New Challenges in Water Systems

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Publisher :
ISBN 13 : 9783039432769
Total Pages : 198 pages
Book Rating : 4.4/5 (327 download)

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Book Synopsis New Challenges in Water Systems by : Helena M Ramos

Download or read book New Challenges in Water Systems written by Helena M Ramos and published by . This book was released on 2020-10-20 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: New challenges in water systems toward safety, efficiency, reliability, and system flexibility will be fundamental in the near future. In this book, readers can find different approaches that include safety analysis, system efficiency improvements, and new innovative designs. The risk function is a measure of its vulnerability level and security loss. Analyses of transient flows associated with the most dangerous operating conditions, are compulsory to grant system liability in terms of water quantity, quality, and system management. Specific equipment, such as air valves, is used in pressurized water pipes to manage the air inside, associated with the emptying and filling process. Advanced tools are developed toward near-future smart water grids. The water system efficiency and water-energy nexus, through the implementation of suitable pressure control and energy recovery devices, as well as pumped-storage hydropower, provide guidelines toward the most technical and environmental cost-effective solutions. Integrated analysis of water and energy allows more reliable, flexible, and sustainable eco-design projects, reaching better resilience systems. Hydraulic simulators and computational fluid dynamics (CFD), conjugating with field or experimental tests, supported by advanced smart equipment, allow a better design, control, and complex event anticipation occurrence to attain high levels of water system security and efficiency.

A-B processes: Towards Energy Self-sufficient Municipal Wastewater Treatment

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Publisher : IWA Publishing
ISBN 13 : 1789060079
Total Pages : 184 pages
Book Rating : 4.7/5 (89 download)

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Book Synopsis A-B processes: Towards Energy Self-sufficient Municipal Wastewater Treatment by : Yu Liu

Download or read book A-B processes: Towards Energy Self-sufficient Municipal Wastewater Treatment written by Yu Liu and published by IWA Publishing. This book was released on 2019-11-15 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principle of the conventional activated sludge (CAS) for municipal wastewater treatment is primarily based on biological oxidation by which organic matters are converted to biomass and carbon dioxide. After more than 100 years’ successful application, the CAS process is receiving increasing critiques on its high energy consumption and excessive sludge generation. Currently, almost all municipal wastewater treatment plants with the CAS as a core process are being operated in an energy-negative fashion. To tackle such challenging situations, there is a need to re-examine the present wastewater treatment philosophy by developing and adopting novel process configurations and emerging technologies. The solutions going forward should rely on the ways to improve direct energy recovery from wastewater, while minimizing in-plant energy consumption. This book begins with a critical overview of the energy situation and challenges in current municipal wastewater treatment plants, showing the necessity of the paradigm shift from removal to recovery in terms of energy and resource. As such, the concept of A-B process is discussed in detail in the book. It appears that various A-B process configurations are able to provide possible engineering solutions in which A-stage is primarily designed for COD capture with the aim for direct anaerobic treatment without producing excessive biosludge, while B-stage is designated for nitrogen removal. Making the wastewater treatment energy self-sustainable is obviously of global significance and eventually may become a game changer for the global market of the municipal wastewater reclamation technology. The principal audiences include practitioners, professionals, university researchers, undergraduate and postgraduate students who are interested and specialized in municipal wastewater treatment and process design, environmental engineering, and environmental biotechnology.

From Source Water to Drinking Water

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Publisher : National Academies Press
ISBN 13 : 0309165520
Total Pages : 126 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis From Source Water to Drinking Water by : Institute of Medicine

Download or read book From Source Water to Drinking Water written by Institute of Medicine and published by National Academies Press. This book was released on 2004-11-01 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Institute of Medicine's Roundtable on Environmental Health Sciences, Research, and Medicine was established in 1988 as a mechanism for bringing the various stakeholders together to discuss environmental health issues in a neutral setting. The members of the Roundtable on Environmental Health Sciences, Research, and Medicine come from academia, industry, and government. Their perspectives range widely and represent the diverse viewpoints of researchers, federal officials, and consumers. They meet, discuss environmental health issues that are of mutual interest, and bring others together to discuss these issues as well. For example, they regularly convene workshops to help facilitate discussion of a particular topic. The Rountable's fifth national workshop entitled From Source Water to Drinking Water: Ongoing and Emerging Challenges for Public Health continued the theme established by previous Roundtable workshops, looking at rebuilding the unity of health and the environment. This workshop summary captures the discussions and presentations by the speakers and participants, who identified the areas in which additional research was needed, the processes by which changes could occur, and the gaps in our knowledge.

Water-Wise Cities and Sustainable Water Systems

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Publisher : IWA Publishing
ISBN 13 : 9781789060751
Total Pages : 400 pages
Book Rating : 4.0/5 (67 download)

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Book Synopsis Water-Wise Cities and Sustainable Water Systems by : Xiaochang C. Wang

Download or read book Water-Wise Cities and Sustainable Water Systems written by Xiaochang C. Wang and published by IWA Publishing. This book was released on 2020-12-15 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building water-wise cities is a pressing need nowadays in both developed and developing countries. This is mainly due to the limitation of the available water resources and aging infrastructure to meet the needs of adapting to social and environmental changes and for urban liveability. This is the first book to provide comprehensive insights into theoretical, systematic, and engineering aspects of water-wise cities with a broad coverage of global issues. The book aims to (1) provide a theoretical framework of water-wise cities and associated sustainable water systems including key concepts and principles, (2) provide a brand-new thinking on the design and management of sustainable urban water systems of various scales towards a paradigm shift under the resource and environmental constraints, and (3) provide a technological perspective with successful case studies of technology selection, integration, and optimization on the “fit-for-purpose” basis.

Privatization of Water Services in the United States

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Publisher : National Academies Press
ISBN 13 : 0309170761
Total Pages : 158 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Privatization of Water Services in the United States by : National Research Council

Download or read book Privatization of Water Services in the United States written by National Research Council and published by National Academies Press. This book was released on 2002-08-20 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Safe Water From Every Tap

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Publisher : National Academies Press
ISBN 13 : 0309522846
Total Pages : 229 pages
Book Rating : 4.3/5 (95 download)

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Book Synopsis Safe Water From Every Tap by : Committee on Small Water Supply Systems

Download or read book Safe Water From Every Tap written by Committee on Small Water Supply Systems and published by National Academies Press. This book was released on 1997-01-13 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small communities violate federal requirements for safe drinking water as much as three times more often than cities. Yet these communities often cannot afford to improve their water service. Safe Water From Every Tap reviews the risks of violating drinking water standards and discusses options for improving water service in small communities. Included are detailed reviews of a wide range of technologies appropriate for treating drinking water in small communities. The book also presents a variety of institutional options for improving the management efficiency and financial stability of water systems.

A Twenty-First Century U.S. Water Policy

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Publisher : Oxford University Press
ISBN 13 : 0199939381
Total Pages : 357 pages
Book Rating : 4.1/5 (999 download)

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Book Synopsis A Twenty-First Century U.S. Water Policy by : Juliet Christian-Smith

Download or read book A Twenty-First Century U.S. Water Policy written by Juliet Christian-Smith and published by Oxford University Press. This book was released on 2012-07-02 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is zero hour for a new US water policy! At a time when many countries are adopting new national approaches to water management, the United States still has no cohesive federal policy, and water-related authorities are dispersed across more than 30 agencies. Here, at last, is a vision for what we as a nation need to do to manage our most vital resource. In this book, leading thinkers at world-class water research institution the Pacific Institute present clear and readable analysis and recommendations for a new federal water policy to confront our national and global challenges at a critical time. What exactly is at stake? In the 21st century, pressures on water resources in the United States are growing and conflicts among water users are worsening. Communities continue to struggle to meet water quality standards and to ensure that safe drinking water is available for all. And new challenges are arising as climate change and extreme events worsen, new water quality threats materialize, and financial constraints grow. Yet the United States has not stepped up with adequate leadership to address these problems. The inability of national policymakers to safeguard our water makes the United States increasingly vulnerable to serious disruptions of something most of us take for granted: affordable, reliable, and safe water. This book provides an independent assessment of water issues and water management in the United States, addressing emerging and persistent water challenges from the perspectives of science, public policy, environmental justice, economics, and law. With fascinating case studies and first-person accounts of what helps and hinders good water management, this is a clear-eyed look at what we need for a 21st century U.S. water policy.

Drinking Water

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Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Drinking Water by : United States. General Accounting Office

Download or read book Drinking Water written by United States. General Accounting Office and published by . This book was released on 1990 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Environmental Engineering for the 21st Century

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Publisher : National Academies Press
ISBN 13 : 0309476550
Total Pages : 125 pages
Book Rating : 4.3/5 (94 download)

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Book Synopsis Environmental Engineering for the 21st Century by : National Academies of Sciences, Engineering, and Medicine

Download or read book Environmental Engineering for the 21st Century written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2019-03-08 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental engineers support the well-being of people and the planet in areas where the two intersect. Over the decades the field has improved countless lives through innovative systems for delivering water, treating waste, and preventing and remediating pollution in air, water, and soil. These achievements are a testament to the multidisciplinary, pragmatic, systems-oriented approach that characterizes environmental engineering. Environmental Engineering for the 21st Century: Addressing Grand Challenges outlines the crucial role for environmental engineers in this period of dramatic growth and change. The report identifies five pressing challenges of the 21st century that environmental engineers are uniquely poised to help advance: sustainably supply food, water, and energy; curb climate change and adapt to its impacts; design a future without pollution and waste; create efficient, healthy, resilient cities; and foster informed decisions and actions.

Developing Rates for Small Systems

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Publisher : American Water Works Association
ISBN 13 : 1583213082
Total Pages : 75 pages
Book Rating : 4.5/5 (832 download)

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Book Synopsis Developing Rates for Small Systems by : American Water Works Association

Download or read book Developing Rates for Small Systems written by American Water Works Association and published by American Water Works Association. This book was released on 2004 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: The brand new manual provides step-by-step guidance to determine revenue requirements, analyze rates, develop a financial plan, and design a better rate structure -- even with limited resources and data. Written for small water systems (defined as serving a population of up to 10,000) it focuses on the unique attributes of small systems as related to financial planning and rate design, with the understanding that most data is contained in the current customer billing system, and merely needs to be massaged. With details plus a sample case study, it helps develop a rate structure that emphasizes simplicity and ease of billing, while at the same time recognizes cost recovery and equitability. Also covered are communications with the public, which is integral to a successful rate restructuring, regulatory approval, system development funding, and rate phase-in.

Water 4.0

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Publisher : Yale University Press
ISBN 13 : 030017649X
Total Pages : 353 pages
Book Rating : 4.3/5 (1 download)

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Book Synopsis Water 4.0 by : David Sedlak

Download or read book Water 4.0 written by David Sedlak and published by Yale University Press. This book was released on 2014-01-28 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: The little-known story of the systems that bring us our drinking water, how they were developed, the problems they are facing, and how they will be reinvented in the near future

The Challenges of Water Management and Governance in Cities

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Publisher : MDPI
ISBN 13 : 3039211501
Total Pages : 316 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis The Challenges of Water Management and Governance in Cities by : Kees van Leeuwen

Download or read book The Challenges of Water Management and Governance in Cities written by Kees van Leeuwen and published by MDPI. This book was released on 2019-08-06 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue The Challenges of Water Management and Governance in Cities that was published in Water

Distribution System Water Quality Challenges in the 21st Century

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Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Distribution System Water Quality Challenges in the 21st Century by : Michael J. MacPhee

Download or read book Distribution System Water Quality Challenges in the 21st Century written by Michael J. MacPhee and published by . This book was released on 2005 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering a high-level view of key distribution system water quality issues that utilities will confront in the coming decades, and a new view of an integrated treatment process, this book covers such topics as microbial regrowth and recontamination, risks associated with release of trace metals from system scale, and impacts of secondary disinfection practices. This resource targets water utility managers, water quality professionals, policy makers, regulators, consultants, and educators.

Confronting the Nation's Water Problems

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Publisher : National Academies Press
ISBN 13 : 030916589X
Total Pages : 324 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Confronting the Nation's Water Problems by : National Research Council

Download or read book Confronting the Nation's Water Problems written by National Research Council and published by National Academies Press. This book was released on 2004-10-14 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to confront the increasingly severe water problems faced by all parts of the country, the United States needs to make a new commitment to research on water resources. A new mechanism is needed to coordinate water research currently fragmented among nearly 20 federal agencies. Given the competition for water among farmers, communities, aquatic ecosystems and other users-as well as emerging challenges such as climate change and the threat of waterborne diseases-Confronting the Nation's Water Problems concludes that an additional $70 million in federal funding should go annually to water research. Funding should go specifically to the areas of water demand and use, water supply augmentation, and other institutional research topics. The book notes that overall federal funding for water research has been stagnant in real terms for the past 30 years and that the portion dedicated to research on water use and social science topics has declined considerably.

Water Systems towards New Future Challenges

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Publisher : MDPI
ISBN 13 : 3036504109
Total Pages : 238 pages
Book Rating : 4.0/5 (365 download)

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Book Synopsis Water Systems towards New Future Challenges by : Helena M. Ramos

Download or read book Water Systems towards New Future Challenges written by Helena M. Ramos and published by MDPI. This book was released on 2021-03-09 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises components associated with smart water which aims at the exploitation and building of more sustainable and technological water networks towards the water–energy nexus and system efficiency. The implementation of modeling frameworks for measuring the performance based on a set of relevant indicators and data applications and model interfaces provides better support for decisions towards greater sustainability and more flexible and safer solutions. The hydraulic, management, and structural models represent the most effective and viable way to predict the behavior of the water networks under a wide range of conditions of demand and system failures. The knowledge of reliable parameters is crucial to develop approach models and, therefore, positive decisions in real time to be implemented in smart water systems. On the other hand, the models of operation in real-time optimization allow us to extend decisions to smart water systems in order to improve the efficiency of the water network and ensure more reliable and flexible operations, maximizing cost, environmental, and social savings associated with losses or failures. The data obtained in real time instantly update the network model towards digital water models, showing the characteristic parameters of pumps, valves, pressures, and flows, as well as hours of operation towards the lowest operating costs, in order to meet the requirement objectives for an efficient system.

The Business of Water

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Publisher : American Water Works Association
ISBN 13 : 1613000731
Total Pages : 261 pages
Book Rating : 4.6/5 (13 download)

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Book Synopsis The Business of Water by : Steve Maxwell

Download or read book The Business of Water written by Steve Maxwell and published by American Water Works Association. This book was released on 2011-01-12 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: