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The MBR market continues to experience a massive growth. The best practice in the field is constantly changing and unique quality requirements and management issues are regularly emerging. The second edition of Membrane Biological Reactors: Theory, Modeling, Design, Management and Applications to Wastewater Reuse comprehensively covers the salient features and emerging issues associated with the MBR technology. The book provides thorough coverage starting from biological aspects and fundamentals of membranes, via modeling and design concepts, to practitioners' perspective and good application examples. In the second edition, the chapters have been updated to cover the recently emerged issues. Particularly, the book presents the current status of the technology including market drivers/ restraints and development trend. Process fundamentals (both the biological and membrane components) have received in-depth coverage in the new edition. A new chapter has been added to provide a stronger focus on reuse applications in general and the decisive role of MBR in the entire reuse chain. The second edition also comes with a new chapter containing practical design problems to complement the concepts communicated throughout the book. Other distinguishing features of the new edition are coverage of novel developments and hybrid processes for specialised wastewaters, energy efficiency and sustainability of the process, aspects of MBR process automation and recent material on case studies. The new edition is a valuable reference to the academic and professional community and suitable for undergraduate and postgraduate teaching in Environmental Engineering, Chemical Engineering and Biotechnology.
The immense environmental challenges facing the world now and in years to come can only be met through marshalling the talents of the best environmental engineers and scientists, and through the use of innovative, cost-effective solutions. Written by three leading aeration experts, Aeration: Principles and Practice, covers the principles and practice of aeration, a unit process critical to the performance of activated sludge treatment and to the budget of wastewater plants.
A stand-alone working document, Stormwater Effects Handbook: A Toolbox for Watershed Managers, Scientists, and Engineers assists scientists and regulators in determining when stormwater runoff causes adverse effects in receiving waters. This complicated task requires an integrated assessment approach that focuses on sampling before, during, and after storms. The Handbook supplies assessment strategies, sample testing and collection methods, and includes illustrative figures and tables.
Reliable methods to predict membrane scaling and fouling are important tools in the control of these phenomena. This dissertation focuses on the development and application of methods to predict and prevent barium sulphate scaling and particulate fouling in membrane filtration systems.
This book is the outcome of the invited topics from various international experts in the field of groundwater resource evaluation, characterization, augmentation, restoration, modeling and management. It comprehensively deals with the resource evaluation through remote sensing (RS) along with GIS, resistivity tomography for identification of potential bore-holes in hard rock region, aquifer parameterization through pumping tests, interpolation of sparse spatial data through the theory of regionalized variables (Geostatistics) and augmentation of groundwater resource through aquifer storage and recovery method (ASR). Characterization of fractured medium parameters, identification of sources of Fluoride and Arsenic contamination and its remediation, groundwater modeling procedures to understand the flow and contaminant migration phenomenon, inverse modeling to evolve the parameters which are controlling the groundwater movement and mass transport and management aspects of the groundwater resources through community participation, and artificial recharge and remediation of contaminated aquifer system have also been brought out in this textbook. It is hoped that the book will be useful for students, young researchers, teachers and managers engaged in the assessment and management of groundwater.
Headwaters are fragile environments threatened by anthropogenic actions. The regeneration of headwaters calls for a practical approach through integrated environmental management. This book discusses various issues concerning headwater regions of the world under wide-ranging themes: climate change impacts, vegetal cover, sub-surface hydrology, catchment and streamflow hydrology, pollution, water quality and limnology, remote sensing and GIS, environmental impact assessment and mitigation, socio-economic impacts, public participation, education and management, and integrated watershed management.
This book aims to bring about an awareness in sustainable regeneration of headwater regions and particularly highlighting the problems of environmental management in highlands and headwaters. These regions consist of great reserves of natural resources which need to be exploited and managed sustainably.
This reference/text offers a systematic and unified approach to the classical theories and recent techniques of multilayered aquifer systems-clarifying governing principles and facilitating industrial problem solving. Uses the automated numerical Laplace inversion procedure to simplify mathematical material Multilayered Aquifer Systems progresses from the non-leaky and leaky aquifers of Theis, Cooper-Jacob, Jacob-Lohman, Papadopulos-Cooper, Hantush-Jacob, and Hantush-Neuman to the multilayer aquifer theory of Neuman-Witherspoon-Herrera treats sensitivity and stochastic analyses utilizes the latest computer methods for parameter determination examines groundwater with fractured aquifers encourages application of theories by supplying specialized tools based on Fortran programs and macro packages for MathematicaT and much more Referenced and illustrated with over 860 literature citations, drawings, and tables, Multilayered Aquifer Systems is an excellent reference and self-study companion for civil, environmental, groundwater, water supply and resource, and agricultural engineers; hydrogeologists and geologists; and an invaluable text for graduate and continuing-education students in these disciplines.
Carbonate aquifers are an important source of water throughout the world. They are complicated systems and not always easy to interpret. Caves and channels form in the rock, leading to complex flow pathways and unpredictable contaminant behaviour. This volume covers the range of techniques used to analyse groundwater flow and contaminant transport in carbonate aquifers. The book opens with a review of thoughts and methods, and continues by discussing the use of tracers, hydrograph and hydrochemograph evaluation, estimation of aquifer properties from outcrop studies, numerical simulation, analogue simulation, and 3-D visualization of conduits. Other papers address the critical evaluation of matrix, fracture and conduit components of flow and storage. An understanding of these approaches is important to engineers or hydrogeologists working in carbonate aquifers.
In an exhaustive compilation of current knowledge, Wastewater Treatment covers subjects that run the gamut from wastewater sources, characteristics, and monitoring to chemical treatments and nutrient removal. Thoroughly examining basic and advanced topics, this resource has it all.
Industrial Waste Treatment Process Engineering includes design
principles applicable to municipal systems with significant
industrial influents. The information presented in these volumes is
basic to conventional treatment procedures, while allowing
evaluation and implementation of specialized and emerging treatment
Hands-On Maintenance for Water/Wastewater Equipment deals with equipment maintenance as individual components, not as complete machines. This allows more information about the design, application and maintenance requirements of machinery to be presented. The text covers basic operating characteristics of machinery components, making it a valuable reference source as well as a training and maintenance manual. Written in easy-to-understand language, without complex formulas or technical theories, this text provides you with basic information to help you acquire a general understanding of how components function and how to keep equipment operating properly.
Building water-wise cities is a hot topic nowadays in both developed and developing countries. This is due to the limitation of the available water resources to meet the needs of fast urbanization and for urban liveability. This will be 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 proposed book aims to (1) provide a theoretical framework of water-wise cities and the associated smart water systems including the key concepts and principles, (2) provide a brand-new thinking on the design and management of sustainable urban water systems of various scales toward paradigm shifting under the resource and environmental constraints, and (3) provide a technological perspective with successful examples of technology selection, integration, and optimization on the "fit-for-purpose" basis.
This text covers the proceedings of the third International Symposium - TISAR 98, held in Amsterdam. Topics include: basin recharge; water management in arid regions; behaviour of pollutants; bank, basin, well and other types of recharge; and storage and recovery efficiency.
FROM THE PREFACE Wastewater collection systems are dynamic, not static. There is no single maintenance method, equipment, or technique that works best. Keeping an open mind, trying new techniques and technologies benefits sewer system operators. No two collection systems are alike. Maintenance staffing, skill levels, equipment, budgets, age and complexity of the system make each agency unique. However, collection systems do have many traits and problems in common. Based on inventory and analysis, problems are identified. Defects may then be prioritized, and corrective maintenance operations put into effect. Preventive maintenance techniques can be applied to all collection systems. Preventive maintenance is cost-effective; it strives to prevent problems from occurring rather than reacting to difficult situations and "putting out fires." This book examines problems shared by all agencies: roots, grease, deterioration, hydraulic inefficiencies and structural defects. New solutions to age-old problems are applied: TV inspection and video interpretation, rehabilitation analysis and trenchless technologies. Computerized maintenance management and GIS softwares are discussed. Jetting, line cleaning and exciting developments in nozzle technology are included. Roots and chemical root control foam, wastewater control and grease are major topics as well. Wastewater Collection System Maintenance shares insights drawn from operator experience, trial and error, successes and failures in the field, interviews and years of research and studies. A user-friendly rating and evaluation system is explained and applied to field conditions. Equipment operation and maintenance, and "tricks of the trade" are also discussed. As cities grow, new systems are extended upstream from older sewers. Many of these core drainage basins are now under capacity and in need of capital improvement projects. There are approximately 600,000 miles of sanitary sewers in the country. Nationwide, there exists a huge backlog of sewer pipes that need rehabilitation. Replacement would cost many billions of dollars. Maintenance operators are entrusted with the care and feeding of an aging sewer infrastructure.
This text provides an account of the nature and applications of the Coliform Index. Since the beginning of the 20th century, indicator organisms, in particular the coliform group, have been used to ensure the microbial quality of drinking water. World-wide legislation to protect consumers is based on these out-dated and unreliable tests and while there is considerable concern among scientists over their use, the water industry and regulators continue to place near total reliance on the Coliform Index. This has serious implications for public health and necessitates the debate which this book enters.
Bringing together a wealth of knowledge, Environmental Management Handbook, Second Edition, gives a comprehensive overview of environmental problems, their sources, their assessment, and their solutions. Through in-depth entries and a topical table of contents, readers will quickly find answers to questions about environmental problems and their corresponding management issues. This six-volume set is a reimagining of the award-winning Encyclopedia of Environmental Management, published in 2013, and features insights from more than 400 contributors, all experts in their field. The experience, evidence, methods, and models used in studying environmental management are presented here in six stand-alone volumes, arranged along the major environmental systems. Features The first handbook that demonstrates the key processes and provisions for enhancing environmental management Addresses new and cutting-edge topics on ecosystem services, resilience, sustainability, food-energy-water nexus, socio-ecological systems, and more Provides an excellent basic knowledge on environmental systems, explains how these systems function, and offers strategies on how to best manage them Includes the most important problems and solutions facing environmental management today In this fourth volume, Managing Water Resources and Hydrological Systems, the reader is introduced to the general concepts and processes of the hydrosphere with its water resources and hydrological systems. This volume serves as an excellent resource for finding basic knowledge on the hydrosphere systems and includes important problems and solutions that environmental managers face today. This book practically demonstrates the key processes, methods, and models used in studying environmental management.
Freshwater is a finite resource as essential to agriculture and industry as it is to basic human existence. Water quality monitoring is a fundamental tool in the management of freshwater resources, and this book explores the monitoring operation. The book highlights the impact of human activity on water resources - both surface and groundwater; provides a general protocol for the design and implementation of a monitoring programme; provides detailed sampling and analytical methods; and explains the detection and monitoring of trends in the water environment. The book provides a basis for designing and implementing water quality monitoring programmes and studies of the impact of human activities on water bodies. It brings together information on proven methods and thus should be useful for anyone concerned with water quality monitoring a scientific, managerial or engineering background, including field staff. An overview of the principles underlying hydrological, chemical, biological and sediment measurements together with their importance and relevance to water quality monitoring is also included.
Many areas of the world are arid or semi-arid. This text looks at the problems caused by the loss of water stored in lakes and reservoirs for irrigation and domestic use by evaporation during the summer months.
This comprehensive reference provides thorough coverage of water
and wastewater reclamation and reuse. It begins with an
introductory chapter covering the fundamentals, basic principles,
and concepts. Next, drinking water and treated wastewater criteria,
guidelines, and standards for the United States, Europe and the
World Health Organization (WHO) are presented. Chapter 3 provides
the physical, chemical, biological, and bacteriological
characteristics, as well as the radioactive and rheological
properties, of water and wastewater. The next chapter discusses the
health aspects and removal treatment processes of microbial,
chemical, and radiological constituents found in reclaimed
wastewater. Chapter 5 discusses the various wastewater treatment
processes and sludge treatment and disposal. Risk assessment is
covered in chapter 6. The next three chapters cover the economics,
monitoring (sampling and analysis), and legal aspects of wastewater
reclamation and reuse.
There have been very few, if any, books of a practical nature covering the 'art' of drilling holes in the ground especially for water. Some rather lengthy tomes are and have been available over the years which have been pretty well incomprehensible to the average field man, or indeed, those responsible for the administration of field operations. Most of those books have been written by people with peripheral disciplines to the industry thus haven't had the field experience to really get hold of the heart of the matter. Drilling for Water - 2 has been written to be understandable to field personnel and in their own terms. Everything in it is based on considerable field experience. Following the publication of Drilling for Water, many accolades were forthcoming such as ...packed with information... ...my bible... ...most welcome... ...a breath of fresh air... ...couldn't put it down... etc.
This book discusses the development of useful models and their applications in soil and water engineering. It covers various modeling methods, including groundwater recharge estimation, rainfall-runoff modeling using artificial neural networks, development and application of a water balance model and a HYDRUS-2D model for cropped fields, a multi-model approach for stream flow simulation, multi-criteria analysis for construction of groundwater structures in hard rock terrains, hydrologic modeling of watersheds using remote sensing, and GIS and AGNPS.
Rampant industrialization has caused high levels of contamination by various toxic chemicals in our water bodies, which is a matter of concern in terms of ecosystems, as well as human and animal health. Polluted wastewater can contaminate drinking water and is also is a causal factor for bio-magnification of heavy metals into our food cycle. In the last decade, several methodologies have been adopted to clean the wastewaters, and among these, microbial remediation has emerged as an effective technology. Several variants of microbial technologies have been developed for wastewater treatment and biodegradation specific to the industry, type of waste and toxicity of the chemicals. This book describes the recent advances in microbial degradation and microbial remediation of various xenobiotic compounds in soil and wastewater. It also explains various modern microbial technologies for biodegradation and wastewater treatment. It covers various microbial technologies for wastewater treatment, biodegradation, bioremediation and solid waste management. Gathering contributions from leading international it focuses on the status quo in industrial wastewater treatment and its biodegradation. The book is intended for researchers in the field of industrial wastewater, students of environmental sciences and practitioners in water pollution abatement.
Taste and Odour in Source and Drinking Water provides an updated evaluation of the characterization and management of taste and odour (T&O) in source and drinking waters. Authored by international experts from the IWA Specialist Group on Off-flavours in the Aquatic Environment, the book represents an important resource that synthesizes current knowledge on the origins, mitigation, and management of aquatic T&O problems. The material provides new knowledge for an increasing widespread degradation of source waters and global demand for high-quality potable water. Key topics include: early warning detection and source-tracking chemical, sensory and molecular diagnosis treatment options for common odorants and minerals source management modelling and risk assessment future research directions Taste and Odour in Source and Drinking Water is directed towards a wide readership of scientists, engineers, technical operators and managers, and presents both practical and theoretical material, including an updated version of the benchmark Drinking Water Taste and Odour Wheel and a new Biological Wheel to provide a practical and informative tool for the initial diagnosis of the chemical and biological sources of aquatic T&O.
Evaluating the effectiveness of conventional wet processes for cleaning silicon wafers in semiconductor production, this reference reveals concrete measures to improve ultrapure water quality reviewing the structure and physical characteristics of ultrapure water molecules. The volume is divided int
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