This book reviews the latest advances in the bioelectrochemical degradation of recalcitrant environmental contaminants. The first part introduces readers to the basic principles and methodologies of bioelectrochemical systems, electron-respiring microorganisms, the electron transfer mechanism and functional electrode materials. In turn, the second part addresses the bioelectrochemical remediation/treatment of various environmental pollutants (including highly toxic refractory organics, heavy metals, and nitrates) in wastewater, sediment and wetlands. Reactor configuration optimization, hybrid technology amplification and enhanced removal principles and techniques are also discussed. The book offers a valuable resource for all researchers and professionals working in environmental science and engineering, bioelectrochemistry, environmental microbiology and biotechnology.

Contents - PART 1. NATURAL WATER SUPPLIES - Rain water - Surface water - River water - Spring water - Well water - Canal water - Pit water - Effects of drought - Condensate as feed water - Water blending - PART 2. SCALE FORMATION - Effect of scale - Lime-soda process - Hot lime-soda softening - General notes on plant - Nuclear precipitation - Caustic soda softening - Sodium aluminate with lime-soda treatment - Zeolite or base-exchange softeners - Partial Zeolite softening - Hydrogen and demineralizing zeolites - Lime-base exchange treatment - The B.B.A. dejector - Lime-Barium softeners - Necessity for conditioning boiler feed - Colloidal conditioning- Mechanism of scale formation - Carbonate and phosphate conditioning - Use of metaphosphate and pyrophosphate - Budenheim phosphate treatment - Silica scales and deposits - Turbine blade deposits - Potassium treatment - Chlorination of condenser cooling water - Scale formation in cooling water systems - Scale formation in economizers - Electrical scale prevention - Removal of scales and deposits - PART 3.CORROSION - Early theories of corrosion- Corrosion by differential aeration - Dissolved oxygen Deaeration by chemical methods - Deaeration by physical methods - Corrosion due to unstable salts - Danger of soft water Corrosion by carbon dioxide - Superheater and turbine corrosion - Economizer corrosion- The treatment of alkaline waters - Caustic embrittlement - Hydrogen ion concentration - Determination of pH values - Hydrogen ions and corrosion - Coagulation control - Softening plant control - Boiler water recirculation - Electrical methods of preventing corrosion - PART 4. FOAMING AND PRIMING - Causes of priming - Balanced layer film formation - Foam stabilization - Prevention of priming - Blow-down control - Intermittent blow-down - Continuous blow-down systems - Use of condensate and blending of waters - Removal of oil from water - Methods of de-oiling water - PART 5.ANALYSIS AND ROUTINE TESTING - Sampling- Standard solutions - Frequency of analyses - Units - Control tests for softening - Raw water - Chemicals required for treatment - Control tests for softening - Treated water - Tests for carbonate and phosphate conditioning - Dissolved oxygen - Blow-down testing - Embrittlement ratios - General water analysis - Analysis of scales- Residual chlorine - Tannins - Appendix - Index - Standard solutions - Reagents-Clark's table of hardnesses - Chemical factors - Conversion tables - Summary of recommended practice -

The concept for the Water Environment of Cities arose from a workshop "Green 1 Cities, Blue Waters" workshop held in 2006. The workshop assembled experts from engineering, planning, economics, law, hydrology, aquatic ecology, geom- phology, and other disciplines to present research ?ndings and identify key new ideas on the urban water environment. At a lunch discussion near the end of the workshop, several of us came to the recognition that despite having considerable expertise in a narrow discipline, none of us had a vision of the "urban water en- ronment" as a whole. We were, as in the parable, blind men at opposite ends of the elephant, knowinga great deal about the parts, but notunderstandingthe whole. We quickly recognized the need to develop a book that would integrate this knowledge to create this vision. The goal was to develop a book that could be used to teach a complete, multidisciplinary course, "The Urban Water Environment," but could also be used as a supplemental text for courses on urban ecosystems, urban design, landscapearchitecture, water policy, waterqualitymanagement andwatershed m- agement. The book is also valuable as a reference source for water professionals stepping outside their arena of disciplinary expertise. The Water Environment of Cities is the ?rst book to use a holistic, interdis- plinary approach to examine the urban water environment. We have attempted to portrayaholisticvisionbuiltaround theconcept of water as a coreelement ofcities. Water has multipleroles: municipalwatersupply, aquatichabitat, landscapeaesth- ics, and recreation. Increasingly, urban water is reused, serving multiple purposes.

This volume presents a unique and comprehensive glimpse of current and emerging issues of concern related to potable water. The themes discussed include: (1) historical perspective of the evolution of drinking water science and technology and drinking water standards and regulations; (2) emerging contaminants, water distribution problems and energy demand for water treatment and transportation; and (3) using alternative water sources and methods of water treatment and distribution that could resolve current and emerging global potable problems. This volume will serve as a valuable resource for researchers and environmental engineering students interested in global potable water sustainability and a guide to experts affiliated with international agencies working toward providing safe water to global communities.

This volume is of great importance to humans and other living organisms. The study of water quality draws information from a variety of disciplines including chemistry, biology, mathematics, physics, engineering, and resource management. University training in water quality is often limited to specialized courses in engineering, ecology, and fisheries curricula. This book also offers a basic understanding of water quality to professionals who are not formally trained in the subject. The revised third edition updates and expands the discussion, and incorporates additional figures and illustrative problems. Improvements include a new chapter on basic chemistry, a more comprehensive chapter on hydrology, and an updated chapter on regulations and standards. Because it employs only first-year college-level chemistry and very basic physics, the book is well-suited as the foundation for a general introductory course in water quality. It is equally useful as a guide for self-study and an in-depth resource for general readers.

A prime concern in contemporary environmental science is the proper management of water supply and usage. It is critical to develop effective processes to manage these resources and decrease negative impacts on the ecosystem. Hydrology and Water Resource Management: Breakthroughs in Research and Practice is an innovative source of scholarly research on the latest technologies and techniques in optimizing current processes in managing water resources. Highlighting a range of pertinent topics such as climate change, sustainability, and water treatment, this book is an ideal reference source for engineers, professionals, researchers, students, and academics interested in emerging trends within environmental science.

The focus of this book is on the key water-related vulnerabilities to climate change in Africa, particularly in its most vulnerable areas, exploring potential management responses to such vulnerabilities. The African countries are particularly exposed and vulnerable to the negative impacts of climate change, with important impacts on water resources and hydrological systems, water availability, water resource management and sea level variations. Already, under various anthropogenic pressures, the status of water resources in Africa has been changing over the past decades, with decreasing water quality, falling groundwater levels, and variability in rainfall, both in terms of timing and intensity. Climate change will further accelerate the rate of change, affecting the ability of people and societies to respond in a timely manner. It is clear that there is no quick fix to the pressures imposed on water resources by climate change. Increasing the resilience of ecosystems and communities to extreme events such as flooding and drought, and integrating climate change risks and opportunities into development decision-making is indeed a key challenge, as much a technical climate-change one, as a political and developmental challenge. The book, in this regard, intends to contribute to the debate around climate change in relation to water resources management in Africa, and in particular inform policy decisions and actions that will improve governments' and communities' ability to manage the challenges of climate change and variability in relation to the aquatic ecosystems that they depend on. The knowledge collected in this book will benefit policy makers, researchers, as well as other stakeholders.

Water scarcity and the need for ecological sustainability have led to the introduction of treated waste water as an additional water resource in the national water resource management plans of Mediterranean countries. Summarizing the results generated within the European Union-funded project "INNOVA-MED, "this volume highlights the following topics: Application of innovative technologies and practices for waste water treatment and reuse adapted to the Mediterranean regionConstraints on the application of advanced treatments and reuse of reclaimed water and sludgeProblems and requirements of sustainable water management in the Mediterranean area

The book includes several examples of Mediterranean countries, such as Tunisia, Morocco, Egypt, Palestine and Spain, and presents their practical experiences in the application of innovative processes and practices for waste water treatment and reuse. "

The book focuses on the management of the aquatic environment. It is aimed at scientists, students, governmental officials and specialists dealing with groundwater and environment. Its main goal is to inform the reader of ideas, knowledge and experience in terms of a sustainable aquatic environment. The main topics are as follows: Water Bodies and Ecosystems; Climate Change and Water Bodies; Water quality and agriculture; Interaction of Surface and ground waters; Karst Hydrogeology; Continuous Media Hydrogeology; Fissured Rocks Hydrogeology; Hydrochemistry; Geothermics and thermal waters; The role of water in construction projects; Hydrology

Many cooling systems use water as cooling medium. They are found in public buildings, industrial production systems or power plants. Almost every cooling system using water is degraded by deposition, corrosion and microbiological fouling.

This book identifies the whole bunch of problems due to water cooling systems and proposes specific solutions to all of them. The authors have an expertise of over 20 years solving cooling water problems. In this book, they advise all practitioners which need to plan, buy or operate cooling systems.

This book mainly focuses on ecological approaches for preventing and controlling non-point source (NPS) pollution on the basis of forestry measures. In addition to the effects of ecological control, it introduces readers to the characteristics of NPS pollution in Taihu Lake watershed, water eutrophication evaluation methods, and potential countermeasures. Given the crucial role of surface runoff and soil erosion in producing water pollution, the book presents forestry measures to combat them, such as the creation of public welfare forests, urban forestry, planting techniques for hedgerows on slope land, the establishment of shelter belts, nitrogen and phosphorus absorption by hydrophytes, and sustainable management for wetlands. Moreover, the results are supplemented by a wealth of numerical calculations, tables, figures and photographs. The book offers a valuable guide for researchers, educators and professionals working in the areas of water environment, water security and ecological construction. Prof. Jianfeng Zhang works at the Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang, China.

This book gathers contributions discussing climate change in Egypt from an agricultural perspective. Written by leading experts, it presents state-of-the-art insights and the latest research developments in light of the most recent IPCC report. Focusing on identifying the specific phenomena that affect climate change in Egypt, the book also addresses the effects of climate change in Egypt, particularly examining the quality and quantity of water resources as well as the socio-economic impacts of climate change on agricultural activities. Furthermore, it explores alternative solutions to support agriculture and food security and raises awareness of adaptation and protection as the key to adapting to the risks posed by climate change. Covering the four fundamental pillars of climate change: food security, availability, access and stability, this book is a valuable resource for stakeholders involved in achieving the 2030 sustainable development goals in Egypt and all countries with similar climatic conditions. It is also a unique source of information and updates on climate change impacts for graduates, researchers, policy planners, and decision-makers.

This book explores a new framework of Adaptive Water Management (AWM) for evaluating existing approaches in urban water management. It highlights the need to adopt multidisciplinary strategies in water management while providing an in-depth understanding of institutional interactions amongst different water related sectors. The key characteristics of AWM i.e. polycentric governance, organisational flexibility and public participation are investigated and described through a critical review of the relevant literature. The book presents an empirical case study undertaken in a selected developing-country city to investigate the potential gaps between the current water management approaches and possible implementation of AWM. Feasibility of AWM operations is examined in an environment surrounded by established water management structure with centralised governance and an institutional process based on technical flexibility. The key elements of AWM performance are (re)structured and transformed into decision support systems. Multi criteria decision models are developed to facilitate quantification and visualization of the elements derived from the case study, which is involved with water companies and water consumers. The book describes how the concept of AWM, along with structuring suitable decision support systems, can be developed and applied to developing-country cities. The book highlights the barriers for applying the AWM strategies that include established centralised decision making, bureaucratic interactions with external organisations, lack of organisational flexibility within the institutions, and lack of recognition of public role in water management. The findings outline that despite the lack of adaptability in the current water management in the case study, as an example of developing countries, there are positive attitudes among water professionals and the public towards adaptability through public-institutional participation.

In this day and age, it is unfortunate that the economic prosperity and development leads to disruption of the dynamic balance of the environment. The philosophy of sustainable development has been presented for a long period of time but it has not been able to bring about a substantial change in our society. The transformation of this philosophy into a practical reality seems to be far away - at least in the foreseeable future. In my opinion, the only way I see the revolution taking place is for us to incorporate 'sustainability' in our daily living and to keep pushing for a sustainable society. Meanwhile, we also need scientists to work on technologies that would lead us to that goal at a faster pace. Technologies that are 'completely' environmentally friendly are needed urgently. And if such technologies or ideas of one exists, a platform is required that showcases such ideas to the scientific and non-scientific audience. Through this book, I am happy to present the thoughts of seven different research groups whose work may lead us to the doorsteps of sustainable society. As scientists, most of us specialize in a sub-topic that may be related to one of the three environmental components - air, land, or water. Over a period of time, we become so engrossed with the sub-discipline of our specialization that we only have glimpses of what is happening in other disciplines.

A compelling look at the challenges of freshwater conservation and management issues facing the United States at the start of the new millennium. Battles have been fought, lives have been lost, countries divided-and all for one reason-water. Freshwater Issues provides a quick education in the basics and essential issues of freshwater management. From water supply and resource information to the role of water in ecosystems, the coverage also provides global water data, examines uncertainties about future water supplies, and addresses technological advances in the development of water resources and environmental safeguards. Thorough treatment is given to water rights, allocation issues, and U.S. water laws and their many regional variations. This is followed by an explanation of the economics of water, from ownership and pricing to social impact and discussions of often-conflicting public, environmental, and private interests. The war over water has just begun.

This book presents the latest developments and recent research trends in the field of plankton, highlighting the potential ecological and biotechnological applications. It critically and comprehensively discusses strain selection, growth characteristics, large-scale culturing, and biomass harvesting, focusing on the screening and production of high-value products from algae, and evaluating carbon dioxide sequestration from fuel gas as a climate change mitigation strategy. The latter areas of research are clearly central to the sustainable development approach that is currently attracting global attention. Over the decades, much of the literature on has focused on the biological and ecological aspects of phytoplankton found in freshwater, marine and brackish water environments. However, these organisms are known to also inhabit various other environments. More recently, there has been a substantial shift toward the concept of sustainable development and the "green economy" with emphasis on exploiting biological systems for the benefit of mankind. The significance of these plankton cannot be underestimated as they contribute approximately 40% of the oxygen in the atmosphere. Therefore, there is potential for exploitation of this invaluable biomass source that could lead to significant environmental and economic benefits for man. Providing a comprehensive outline of the most recent developments and advances in the field of industrial applications of these plankton, this book is an excellent reference resource for researchers and practitioners.

Comprising specially selected papers this book presents trans-disciplinary research on issues related to the nature of water, and its use and exploitation by society. The valuable research contained in this book demonstrates the need to bridge the gap between physical, biological, environmental and health sciences. Water is essential for sustaining life on our planet, nevertheless its unequal distribution is a source of permanent conflict. It is predicted that population growth and irregular rainfall, due to climate change, may lead to more restricted access to water in certain regions of the world. This problem is made even more severe by human actions that can cause degradation to nature and the environment. The availability of clean and inexpensive water can no longer be taken for granted as the need for water continues to increase due a growing global population. Heavy water consumers such as agriculture and industry often contribute to its contamination. Water distribution networks in urban areas and soiled water collection systems, present serious problems as well as the need to maintain ageing infrastructures. Possible technologically solutions, such as desalination or pumping systems are energy demanding but, as costs rise, the techniques currently developed may need to be re-assessed.

Central Asia is vulnerable to water scarcity because it is located in semiarid and arid vegetation zones and large parts of its economy depend on water for irrigation and energy. Climate-change scenarios predict temperature increases and a rising number of extreme weather events, which will exacerbate water shortages in the future. In addition, the population of Central Asia is growing more rapidly than the rate of food production which is resulting in food insecurity in many parts of the region too. This volume reports the deliberations of politicians, scientists and representatives of water management organizations from throughout Central Asia. Their contributions not only highlight areas of concern, but also propose numerous ideas for improving the long-term water- and food security in the region.

"Distribution and Transformation of Nutrients and Eutrophication in Large-scale Lakes and Reservoirs: The Three Gorges Reservoir" presents key findings on early eutrophication in large-scale lakes and reservoirs, providing readers with an overview of lake management problems and the tools that can be applied to solve them. The broad spectrum of available tools is presented in detail, including environmental technological methods, ecotechnological methods and the application of models to determine the best management strategy.

The book is intended for environmental engineers and researchers in the fields of environmental science and ecological chemistry.

Professor Zhenyao Shen, Professor Junfeng Niu and Associate Professor Ying Wang work at the School of Environment, Beijing Normal University, China. Dr. Hongyuan Wang works at Chinese Academy of Agricultural Sciences, China. Dr. Xin Zhao works at Changjiang River Scientific Research Institute, China.

Biomonitoring of water quality is very much essential for assessing the overall health of water bodies and safe supply of drinking water. The chemical nature of toxicant is highly dynamic in environment with time and space whereas biological system can integrate all environmental variables over a large period of time in terms of effect that can be easily measured and quantified. In view of the above, there is a pressing need to determine the water quality of natural resources as well as drinking water based on the standard protocols and guidelines from regulatory agencies. It is clear that the synthetic chemicals are essential for our society to maintain the health and well being of the people. However, there has been a range of detrimental effects on human health and natural environment. In general, we need to improve our management of waste chemicals discharged into the air, water and soil environments. New techniques are needed to predict adverse effects before they occur and for the treatment of wastes. In addition, a range of social, political and economic factors will be needed to be taken into account in order to achieve success.

This book reflects the use of cyanobacteria for the bioremediation of wastewater through different mechanisms and pathways of transformation and transfer of hazardous substances from one medium to another. The application of microorganisms for bioremediation is determined by their ubiquity, small size, high rate of reproduction and large surface-to-volume cell ratio. Mechanisms of interaction of cyanobacteria with inorganic pollutants include biosorption, bioaccumulation with an opportunity to obtain metal nanoparticles both on the cell surface and inside the cells as well as chelation and inclusion of metals in the composition of certain organic structures. Data presented in the book provides specialists in the field with useful information for bioremediation technologies as well as for obtaining valuable preparations using cyanobacteria.

This book is about the consequences of the Fukushima disaster in light of their technological, societal, political, cultural and environmental origins. The magnitude of the nuclear accident is investigated in this book in the contexts of politics, economy, and society. The authors scrutinize the relationships between science, technology and society leading to this accident. Further, the authors reveal how these relationships were constructed historically. This book provides a case analysis on the Fukushima disaster in political, societal, economic and cultural dimensions. In addition, analyses for historically grown relationships between different societal spheres mouthing into disasters are presented using examples of the Minamata disease (Mercury pollution), Itai-Itai Disease (Cadmium pollution), BSE, and GMOs. With this book, Yuko Fujigaki achieves to connect local and cultural peculiarities with generalized scientific information and practices in a coherent, logical fashion to a comprehensive volume on a very actual topic of global significance. In light of a globally increasing energy gap, this book has a distinct global relevance, providing an honest account on different triggers mouthing into the nuclear disaster. This book not only gives a scientific account. It also can also contribute to prevent future disasters starting from similar vectors.

This book focuses on nanotechnology in electrocatalysis for energy applications. In particular the book covers nanostructured electrocatalysts for low temperature fuel cells, low temperature electrolyzers and electrochemical valorization. The function of this book is to provide an introduction to basic principles of electrocatalysis, together with a review of the main classes of materials and electrode architectures. This book will illustrate the basic ideas behind material design and provide an introductory sketch of current research focuses. The easy-to-follow three part book focuses on major formulas, concepts and philosophies. This book is ideal for professionals and researchers interested in the field of electrochemistry, renewable energy and electrocatalysis.