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Books > Professional & Technical > Environmental engineering & technology > Sanitary & municipal engineering
Day-to-day water management is challenged by meteorological extremes, causing floods and droughts. Often operational water managers are informed too late about these upcoming events to be able to respond and mitigate their effects, such as by taking flood control measures or even requiring evacuation of local inhabitants. Therefore, the use of weather forecast information with hydrological models can be invaluable for the operational water manager to expand the forecast horizon and to have time to take appropriate action. This is called Anticipatory Water Management. Anticipatory actions may have adverse effects, such as when flood control actions turn out to have been unnecessary, because the actual rainfall was less than predicted. Therefore the uncertainty of the forecasts and the associated risks of applying Anticipatory Water Management have to be assessed. To facilitate this assessment, meteorological institutes are providing ensemble predictions to estimate the dynamic uncertainty of weather forecasts. This dissertation presents ways of improving the end-use of ensemble predictions in Anticipatory Water Management.
Arsenic, manganese and iron in drinking water at concentrations exceeding recommended guideline values pose health risks and aesthetic defects. Batch and pilot experiments on manganese adsorption equilibrium and kinetics using iron-oxide coated sand (IOCS), Aquamandix and other media have been investigated and modeled. Effect of manganese and iron loading on manganese removal and rate of oxidation of adsorbed iron and manganese have been studied. Aquamandix and IOCS demonstrated iron and manganese adsorption capacity that increases with increasing pH under oxic and anoxic conditions. Manganese loading and low filtration rate using feedwater with no nitrite favour non-uniform development of catalytic manganese oxide on media that subsequently enhances manganese removal.
This book advocates a more thoughtful approach to urban water management. The approach involves reducing water consumption, harvesting rainwater, recycling rainwater and adopting Sustainable Drainage Systems (SuDS) where surface water is not sent straight to drains but is intercepted by features like green roofs, rain gardens, swales and ponds.Cities in particular need to change the existing linear model of water consumption and use to a more circular one in order to survive. The Water Sensitive City brings together the various specialised technical discussions that have been continuing for some time into a volume that is more accessible to designers (engineers and architects), urban planners and managers, and policymakers.
This book reviews water treatment technologies for the removal of pharmaceutically active compounds (PhACs). It provides the reader with an overview of state-of-the-art techniques and recent efforts to develop more sustainable approaches. After nearly two decades of research into the presence and impact of PhACs in the environment, they remain one of the hottest topics in the fields of environmental chemistry, toxicology and engineering. Accordingly, intensive research efforts are currently being devoted to water treatment technologies that can reduce the presence of these emerging contaminants in water bodies. This book examines various types of contaminated water from industry, hospitals and urban wastewater. It provides the reader with a range of potential solutions for water treatment and reuse, and addresses the advancement of analytical tools for evaluating the performance and efficiency of treatment technologies.
A collection of articles by leading international experts on modeling and control of potable water distribution and sewerage collection systems, focusing on advances in sensors, instrumentation and communications technologies; assessment of sensor reliability, accuracy and fitness; data management including SCADA and GIS; systems modelling, optimisation and decision support; real time monitoring, modelling control and associated uncertainties; water quality, water and wastewater treatment modeling; demand forecasting, leakage and energy management; asset management and performance modeling; sustainable urban water management including flooding issues; security, reliability and resilience of water systems; likely impacts of climate change; Water scarcity and intermittent supply. Intended for water researchers in industry and academia.
This book provides an overview of the current development status of remediation technologies involving electrochemical processes, which are used to clean up soils that are contaminated with different types of contaminants (organics, inorganics, metalloids and radioactive). Written by internationally recognized experts, it comprises 21 chapters describing the characteristics and theoretical foundations of various electrochemical applications of soil remediation. The book's opening section discusses the fundamental properties and characteristics of the soil, which are essential to understand the processes that can most effectively remove organic and inorganic compounds. This part also focuses on the primary processes that contribute to the application of electrochemically assisted remediation, hydrodynamic aspects and kinetics of contaminants in the soil. It also reviews the techniques that have been developed for the treatment of contaminated soils using electrochemistry, and discusses different strategies used to enhance performance, the type of electrode and electrolyte, and the most important operating conditions. In turn, the book's second part deals with practical applications of technologies related to the separation of pollutants from soil. Special emphasis is given to the characteristics of these technologies regarding transport of the contaminants and soil toxicity after treatment. The third part is dedicated to new technologies, including electrokinetic remediation and hybrid approaches, for the treatment of emerging contaminants by ex-situ and in-situ production of strong oxidant species used for soil remediation. It also discusses pre-pilot scale for soil treatment and the use of solar photovoltaic panels as an energy source for powering electrochemical systems, which can reduce both the investment and maintenance costs of electrochemically assisted processes.
The Integrated Urban Water Management (IUWM) is an emerging approach to managing the entire urban water cycle in an integrated way, which is key to achieving the sustainability of urban water resources and services. The IUWM incorporates: the systematic consideration of the various dimensions of water, including surface and groundwater resources, quality and quantity issues; the implication that while water is a system it is also a component which interacts with other systems; and the interrelationships between water and social and economic development. Integrated Urban Water Management: Arid and Semi-Arid Regions - the outcome of UNESCO's International Hydrological Programme project on the topic - examines the integrated management of water resources in urban settings, focusing on issues specific to arid and semi-arid regions and on what make them different from other regions. The urban water management system is considered herein as two integrated major entities; water supply management and water excess management. The first six chapters provide an overview of the various aspects of IUWM in arid and semi-arid regions, with emphasis on water supply technologies, such as artificial recharge, water transfers, desalination, and harvesting of rainfall. Water excess management is examined in the context of both the stormwater management system and the floodplain management system. Case studies from developed and developing countries are presented in order to emphasize the various needs and challenges of water management in urban environments in arid and semi-arid regions around the world.
Understanding the impacts of urbanization on the urban water cycle and managing the associated health risks demand adequate strategies and measures. Health risks associated with urban water systems and services include the microbiological and chemical contamination of urban waters and outbreak of water-borne diseases, mainly due to poor water and sanitation in urban areas, and the discharge as well as the disposal of inadequately treated, or untreated, industrial and domestic wastewater. Climate change only exacerbates these problems, as alternative scenarios need to be taken into consideration in urban water risk management. Urban Water Security: Managing Risks the result of a project by UNESCO 's International Hydrological Programme on the topic addresses issues associated with urban water risks. The first section of the volume describes risks associated with urban water systems and services. The volume then discusses the concept of risk management for urban water systems and explores different approaches to managing and controlling urban water risks. A concluding section presents case studies on managing urban water risks. Urban Water Series - UNESCO-IHP, ISSN 1749-0790 Following from the Sixth Phase of UNESCO 's International Hydrological Programme (2002 2007), the Urban Water Series UNESCO-IHP addresses fundamental issues related to the role of water in cities and the effects of urbanization on the hydrological cycle and water resources. Focusing on the development of integrated approaches to sustainable urban water management, the Series should inform the work of urban water management practitioners, policy-makers and educators throughout the world. Series Editors Cedo Maksimovic, Imperial College, London, United Kingdom J. Alberto Tejada-Guibert, International Hydrological Programme, UNESCO, Paris, France
Salinity affects 10 to 16% of all irrigated lands while the annual rate of land loss due to waterlogging and salinity is about 0.5 million hectares per year. In this dissertation, the role of subsurface drainage to reduce these problems in irrigated agriculture in arid and semi-arid regions has been analysed and challenges for improving subsurface drainage practices have been formulated. Although the installed subsurface drainage systems are in general technically sound and cost-effective, drainage development lags behind irrigation development and consequently a substantial part of the irrigated areas suffers from waterlogging and salinity. This is mainly because the subsurface drainage systems are designed and implemented by government, with the users, the small farmers, having little responsibility and having little input. In the adopted top-down approach the location-specific conditions and farmers? preferences are hardly taken into consideration. Furthermore, the emphasis has been on the technical aspects (the physical infrastructure), while the organizational aspects (institutional infrastructure) have been largely neglected. To reverse the negative trend in salt build-up and waterlogging in irrigated lands in semi-arid and arid regions, a number of challenges for enhancing the role of subsurface drainage have been formulated: (i) balancing top-down against bottom-up, (ii) from standardization to flexibility and (iii) focus on capacity development.
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).
This book analyses and quantifies how and where energy and water are consumed by the ceramic sanitary-ware industry and provides solutions as to how to reduce this. The whole production process is mapped, including modelling methods. The book begins by providing an introduction to ceramic sanitary-ware production and types of factories casting technology. It then moves on to discuss the process and energy modelling for the production line, analysis of energy and water consumptions and proposals for improvements. The last chapter presents the practical implementation of the selected modelling configuration. This book is of particular interest to water and energy management professionals within the ceramic industry, but the methods are of interest to those in other production industries as well.
This book highlights novel materials for dye-containing wastewater treatment and presents an up-to-date information on dye degradation/adsorption using new promising materials such as nanocomposites. Development of various industrial sectors, including textile, food, paper, leather, rubber, cosmetic and printing has led to generation of wastewater which contain dye molecules as well as other inorganic and organic compounds. Considering serious health hazards and environmental damage associated with dyes in the environment, researchers and professionals have been attempting to find the most effective methods of treatment. Of late, various composites have received wide attention due to their outstanding properties in wastewater treatment, that are presented in this book.
'This book bridges disciplines, previously confined to specialist journal publications, by providing a comprehensive overview of the systems analysis application to water resources. It is ideal for Masters-level courses in Water Resources Engineering where modern management techniques of optimization and modelling are highly important in the strategic management of a vital resource.' - Derek Clarke, University of Southampton, UK 'The great novelty of this book is that it presents in detail how fuzzy-set theory can be used in water resource system management. The author was one of the pioneers who opened up this new field and is considered to be one of the greatest experts in it.' - Rodolfo Soncini Sessa, Politecnico di Milano, Italy Water resources management is increasingly interdisciplinary and must take into account complex socioeconomic factors and environmental variables. This book describes the 'systems approach' and its application to contemporary water resources management, focusing on three main sets of tools: simulation, optimization and multi-objective analysis. This approach is presented within the context of sustainable planning and development under conditions of uncertainty. Managing Water Resources: Methods and Tools for a Systems Approach introduces system dynamic simulation as a tool for integrated modelling and contains coverage of the use of fuzzy sets for incorporating objective and subjective uncertainties. The book combines theory with many practical examples, as well as including programs and exercises on downloadable resources. It comprises both an advanced text for students of water resources and civil or environmental engineering and a practical guide for professionals. Published jointly with UNESCO and International Hydrological Programme
One of the physical costs of our society's breakneck consumption, sprawl, and technological innovation and production is the increasing amount of terrain relegated to accommodating the resulting waste and wasted space. These "marginal landscapes" can be divided into four distinct categories: sinks; ruins or abandoned land; toxic or damaged land; and waste landscapes. Although Professor Engler discusses all four types, she is concerned mostly with waste landscapes - "landfills, recycling and waste transfer centers, and sewage treatment plants," as she addresses two distinct aspects of waste landscapes: 1) the historic and cultural context of waste, and 2) the professional planning practices and aesthetic concerns of those who deal with waste and its landscapes. Ultimately, Professor Engler seeks to change our ideas about waste places through her discussion of how landscape design can function within the scientific and technological parameters of safety and environmental concerns to make waste places more central to our thinking and perception. In so doing, she reviews the physical evolution of waste sites, and scrutinizes perceptions and representations of these landscapes, and grounds her ideas in critiques of what environmental designers and artists have done recently with waste places to change public perceptions. Designing America's Waste Landscapes is a pioneering and original work that will appeal to professional planners and landscape designers, and students and scholars in landscape design and planning, environmental studies, urban studies, cultural geography, and even the history of technology.
WINNER: 2020 International Solid Waste Association Publication Award Among other factors, rapid global population growth, our development model and patterns of production and consumption have increased waste generation worldwide to unsustainable rates. This rise has led to crises in many countries where waste management practices are no longer sound. Global Waste Management outlines the emerging global waste crisis considering the perspectives of developed and developing countries around the world and the international relationships between them. This book provides an ecological viewpoint as well as studying these problems from a legal and justice standpoint. Global Waste Management contextualises the problems faced when dealing with waste including the causes and origins. Focus is given to cross border waste transfer, as an ongoing and controversial practice, making waste management a global matter. This book scrutinizes existing international, European and Brazilian regulation on waste to highlight the complexity of the subject and the weaknesses of the law. Using a critical and socio-ecological approach, the book proposes an original model of governance to support a new system of global waste management that takes into account ecological sustainability and social justice to overcome the waste crisis. To create these models, a theoretical framework on socio-ecological justice is developed and combined with different discourses and theories described throughout the book. This is the essential guide to understanding the global waste crisis and the future of waste management.
Scientists have long been searching for a unified field theory-one answer to all of the questions about the physical universe. In this book, Rhett Larson takes a similar approach to social policy questions. What if we could find a unified social policy theory-the answer to every question from how to prevent war to how to promote gender equality? Most of our most serious global challenges are complex, multi-faceted "wicked problems." But perhaps the first step in solving wicked problems as seemingly distinct as racism and disease epidemics is the same: reform our laws, policies, and priorities to achieve global water security. Global water security means reasonable access for all people to water of acceptable quantity and quality with acceptable costs and risks. Just as the essential element to all life is water, so water is the essential element to solving life's challenges. Virtually every major social challenge-including gender inequality, racial discrimination, terrorism, space exploration, global disease epidemics, mass migrations, and climate change-has a significant and underappreciated water component. Each chapter of this book takes up one of these wicked problems, illustrates the role water plays in that problem, and proposes reforms to address the water aspect of that problem, with the aim of achieving global water security. The goal of this this book is to convince the reader that the answer, or at least one part of the answer, to our most serious problems is the oft-repeated catchphrase: "Just add water."
Strategic Planning for Water examines the neglected relationship between planning for water and spatial planning. It provides the background to sustainable water management and assistance to spatial planners in understanding the complex water environment. This extremely topical book examines the challenges of:
Essential reading for planners, developers and all those who must in future effectively incorporate water issues into their plans, developments and lifestyles if these are to be truly sustainable.
This book, the second volume in the series, continues to raise contextual issues and presents perspectives regarding multifaceted challenges in management and governance of water in India. This volume attempts to broad base and expand the dialogue started in the first volume and would touch upon issues that need immediate discussion but have been left unattended like politics and management of groundwater, efficient utilization of water in agriculture (irrigation) and improving water use efficiency and building resilience. As in the first volume, this book presents a set of suggestions and recommendations in each chapter that can help frame policy guidelines in the country.
This book discusses the recent advances in the wastes recycling technologies to provide low-cost and alternative ways for nanomaterials production. It shows how carbon nanomaterials can be synthesized from different waste sources such as banana fibers, argan (Argania spinosa) seed shells, corn grains, camellia oleifera shell, sugar cane bagasse, oil palm (empty fruit bunches and leaves) and palm kernel shells. Several nanostructured metal oxides (MnO2, Co3O4,....) can be synthesized via recycling of spent batteries. The recovered nanomaterials can be applied in many applications including: Energy (supercapacitors, solar cells, etc.) water treatments (heavy metal ions and dyes removal) and other applications. Spent battery and agriculture waste are rich precursors for metals and carbon, respectively. The book also explores the various recycling techniques, agriculture waste recycling, batteries recycling, and different applications of the recycled materials.
An updated edition of an underground classic This is the 4th edition of a self-published book that no respectable publisher would touch with a ten-foot shovel. The 1st edition was published in 1994 with a print run of 600 copies, which the author expected to watch decompose in his garage for the rest of his life. Now, 24 years later, the book has sold over 65,000 print copies in the U.S. alone, been translated in whole or in part into 19 languages and been published in foreign editions on four continents. The previous editions won numerous awards, including the Independent Publisher Outstanding Book of the Year Award, deeming the book "Most Likely to Save the Planet." The book has been mentioned on such diverse media outlets as: Mother Earth News, Whole Earth Review, Countryside Journal, The Journal of Environmental Quality, Natural Health, NPR, BBC, CBC, Howard Stern, The Wall Street Journal, Playboy Magazine, Organic Gardening Magazine, the History Channel, Tree House Masters, and many other national and international venues. The 4th edition is a completely revised, expanded, and updated version of what has become an underground classic bestseller. The author draws from 40 years of research, experience, and travel, to expand and clarify your knowledge and understanding of... your poop! Not only does the book address what to do with human turds, but it is also a priceless manual for anyone involved in composting or gardening, or looking for basic survival skills. There is no other book like this in print!
Reviews of Environmental Contamination and Toxicology provides concise, critical reviews of timely advances, philosophy and significant areas of accomplished or needed endeavor in the total field of xenobiotics, in any segment of the environment, as well as toxicological implications. Chapter "Natural Purification Through Soils: Risks and Opportunities of Sewage Effluent Reuse in Sub-surface Irrigation" is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.
People are increasingly aware of the role that water has in shaping society and how it impacts quality of life. This is the first book to provide a holistic perspective on water, capturing the full breadth of the science, technology, policy, history, and future outlook for the most important substance on earth - written at a level accessible to non-experts in each of these areas.Water is shockingly bizarre in its properties and of unsurpassed importance throughout human history, yet so mundane as to often be invisible in our daily lives. In Water Is ..., the two Seths (Darling and Snyder) walk the reader through all of the diverse perspectives on water. The journey begins with an exploration of the mysteries of water's properties on the molecular level, zooming out through its central role at biological and geological scales. Next, the Seths travel through the history of human civilization, highlighting the fundamental part water has played throughout, including the complexities of water policy, privatization, and pricing in today's world. Attention then turns to technology and innovation, emphasizing the daunting challenges dictated by increasing water stress and a changing climate as well as the enticing opportunities to achieve a secure global water future.Water is arguably the single most interdisciplinary topic. Students in business, policy, history, science, and engineering can best position themselves to make an impact by learning about the entire range of diverse, unexpected, and fascinating angles on water.Related Link(s)
This book is a multidisciplinary manuscript bringing together contributions on water issues from natural and social scientists focused on water management and structures in a challenging environmental situation such as Dakhla Oasis in Egypt's western desert. The authors of this book are relevant scientists in hydrology, geology, remote sensing, agriculture, history, and sociology. It is devoted to various critical environmental topics such as geological and hydraulic structure, climate influence, underground water management, irrigation management, and human settlement. The book provides a range of new perspectives on solving different environmental problems in arid zones toward the region's sustainable development, based on the case studies and fieldwork in the Dakhla Oasis (Western Desert, Egypt). |
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