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Books > Professional & Technical > Environmental engineering & technology > Sanitary & municipal engineering > Waste treatment & disposal > General
This book analyzes the status quo concerning waste generation and management systems in Thailand and other developing countries with similar problems. It addresses municipal, electronic, industrial and hazardous wastes, as well as management instruments, and key factors shaping the progress of waste management as a whole. The book highlights lessons learnt from various successful efforts to overcome these problems in Thailand, and offers recommendations for promoting sustainable waste management systems in Thailand and other countries with similar backgrounds in the future. These include the introduction of a polluter-pay concept, incentive systems for recycling and reusing, and promoting environmental education and awareness in key sectors.
Managing sites contaminated with munitions constituents is an international challenge. Although the choice of approach and the use of Ecological Risk Assessment (ERA) tools may vary from country to country, the assurance of quality and the direction of ecotoxicological research are universally recognized as shared concerns. Drawing on a multidisciplinary team of contributors, Ecotoxicology of Explosives provides comprehenisve and critical reviews available to date on fate, transport, and effects of explosives. The book delineates the state of the science of the ecotoxicology of explosives, past, present, and recently developed. It reviews the accessible fate and ecotoxicological data for energetic materials (EMs) and the methods for their development. The chapters characterize the fate of explosives in the environment, then provide information on their ecological effects in key environmental media, including aquatic, sedimentary, and terrestrial habitats. The book also discusses approaches for assembling these lines of evidence for risk assessment purposes. The chapter authors have critically examined the peer-reviewed literature to identify and prioritize the knowledge gaps and to recommend future areas of research. The editors include a review of the genotoxic effects of the EMs and the cellular and molecular mechanisms underlying the toxicity of these chemicals. They also discuss the transport, transformation, and degradation pathways of these chemicals in the environment that underlie the potential hazardous impact and bioaccumulation of EMs in different terrestrial and aquatic ecologiocal receptors. This information translates into practical applications for the environmental risk assessment of EM-contaminated sites and into recommendations for the sustainable use of defense installations.
Nowadays, textile units utilize a number of dyes, chemicals, reagents, and solvents to impart the desired quality to fabrics, and generate a substantial quantity of effluents/contaminants, which cause severe environmental problems if disposed of without proper treatment. In view of several surveys carried out through research papers, books, technical articles, and general reports published in high-repute academic societies, Handbook of Textile Effluent Remediation provides a detailed narration of the acceptable methods of treating textile wastewater, such as active ozonation, membrane filtration, and adsorption. The book discusses emerging and suitable treatment systems that are viable, efficient, and economical. In this context, it provides an array of several traditional as well as advanced treatment practices for textile effluents. It covers research-oriented descriptions of textile wastewater treatment that can be adopted by scientific communities, academicians, and undergraduate and postgraduate students of industrial engineering, materials science and engineering, physics, and chemistry. It offers several interesting methodologies and aspects of current dimensional research through user-friendly content, tables, and figures and provides up-to-date literature on important and useful information for textile effluents, their impact on the environment, and advanced remediation processes. Needless to say, this book is of immense use to global researchers, academicians, and consultants engaged in various streams of wastewater treatment science.
Provides a comprehensive review and evaluation of waste containment technologies presently practiced in remediation applications. Covers the state-of-knowledge, construction and performance of the three main barrier types - vertical (walls), bottom (floors) and surface (caps).
Waste Biorefinery: Integrating Biorefineries for Waste Valorisation provides the various options available for several renewable waste streams. The book includes scientific and technical information pertaining to the most advanced and innovative processing technologies used for the conversion of biogenic waste to biofuels, energy products and biochemicals. In addition, the book reports on recent developments and new achievements in the field of biochemical and thermo-chemical methods and the necessities and potential generated by different kinds of biomass in presumably more decentralized biorefineries. The book presents an assortment of case-studies from developing and developed countries pertaining to the use of sustainable technologies for energy recovery from different waste matrices. Advantages and limitations of different technologies are also discussed by considering the local energy demands, government policies, environmental impacts, and education in bioenergy.
Putting forward an up-to-date waste-to-energy approach that combines experience, sophisticated modeling and technical-economic analysis, this book examines the current need for the maximum utilization of energy from waste and the associated environmental impacts. It outlines step-by-step procedures for a complex and original waste-to-energy approach from the idea to its industrial application. With waste incinerators and industrial plants producing large amounts of pollutants, municipalities as well as smaller decentralized operations are beginning to focus on waste research. The principal advantage of utilizing research findings is the ability to apply a complex approach "from idea to industrial implementation" with respect to the needs of the market established by thorough market analysis. This book builds on this concept with an original approach that takes into consideration geographical aspects, the specifics of regions/micro-regions and technological units and/or equipment. Key areas discussed and analyzed in the text include: strategic planning of energy-source locations according to the nature of the respective region or microregion; types and amounts of wastes; logistics etc. using original mathematical models; consideration of on-site processing of various types of waste, taking into account the character of the region (agricultural, industrial etc.); tailor-made technologies for energy recovery from various types of wastes; implementation of individual technologies with original elements; and support for environmental protection based on advanced flue gas (i.e. off-gas in the case of incineration) cleaning methods.
The second, enlarged edition of this established reference integrates many new insights into wastewater hydraulics. This work serves as a reference for researchers but also is a basis for practicing engineers. It can be used as a text book for graduate students, although it has the characteristics of a reference book. It addresses mainly the sewer hydraulician but also general hydraulic engineers who have to tackle many a problem in daily life, and who will not always find an appropriate solution. Each chapter is introduced with a summary to outline the contents. To illustrate application of the theory, examples are presented to explain the computational procedures. Further, to relate present knowledge to the history of hydraulics, some key dates on noteworthy hydraulicians are quoted. A historical note on the development of wastewater hydraulics is also added. References are given at the end of each chapter, and they are often helpful starting points for further reading. Each notation is defined when introduced, and listed alphabetically at the end of each chapter. This new edition includes in particular sideweirs with throttling pipes, drop shafts with an account on the two-phase flow features, as well as conduit choking due to direct or undular hydraulic jumps.
Aerobic granular sludge technology will play an important role as an innovative technology alternative to the present activated sludge process in industrial and municipal wastewater treatment in the near future. Intended to fill the gaps in the studies of aerobic granular sludge, this thesis comprehensively investigates the formation, characterization and mathematical modeling of aerobic granular sludge, through integrating the process engineering tools and advanced molecular microbiology. The research results of this thesis contributed significantly to the advance of understanding and optimization of the bacterial granulation processes, the next generation of technology for cost-effective biological wastewater treatment. Dr. Bing-Jie Ni works at Advanced Water Management Centre (AWMC) of The University of Queensland, Australia.
The Politics of Trash explains how municipal trash collection solved odorous urban problems using nongovernmental and often unseemly means. Focusing on the persistent problems of filth and the frustration of generations of reformers unable to clean their cities, Patricia Strach and Kathleen S. Sullivan tell a story of dirty politics and administrative innovation that made rapidly expanding American cities livable. The solutions that professionals recommended to rid cities of overflowing waste cans, litter-filled privies, and animal carcasses were largely ignored by city governments. When the efforts of sanitarians, engineers, and reformers failed, public officials turned to the habits and tools of corruption as well as to gender and racial hierarchies. Corruption often provided the political will for public officials to establish garbage collection programs. Effective waste collection involves translating municipal imperatives into new habits and arrangements in homes and other private spaces. To change domestic habits, officials relied on gender hierarchy to make the women of the white, middle-class households in charge of sanitation. When public and private trash cans overflowed, racial and ethnic prejudices were harnessed to single out scavengers, garbage collectors, and neighborhoods by race. These early informal efforts were slowly incorporated into formal administrative processes that created the public-private sanitation systems that prevail in most American cities today. The Politics of Trash locates these hidden resources of governments to challenge presumptions about the formal mechanisms of governing and recovers the presence of residents at the margins, whose experiences can be as overlooked as garbage collection itself. This consideration of municipal garbage collection reveals how political development often relies on undemocratic means with long-term implications for further inequality. Focusing on the resources that cleaned American cities also shows the tenuous connection between political development and modernization. -- Cornell University Press
Industrial and Municipal Sludge: Emerging Concerns and Scope for Resource Recovery begins with a characterization of the types of sludge and their sources and management strategies. This section is followed by specific chapters that cover Emerging contaminants in sludge (Endocrine disruptors, Pesticides and Pharmaceutical residues, including illicit drugs/controlled substances), Bioleaching of sludge [with an enriched sulfur-oxidizing bacterial community, Recovery of valuable metals (Bioleaching and use of sulfur-oxidizing bacterial community, and Biogas production by continuous thermal hydrolysis and thermophilic anaerobic digestion of waste activated sludge. In addition, the book includes numerous tables and flow diagrams to help users further comprehend the subject matter.
The fact that a process produces garbage is a testament to design inefficiency, and this book explains how to use the nature of that garbage to pinpoint and eliminate those inefficiencies. Lean Waste Stream: Reducing Material Use and Garbage Using Lean Principles supplies an unprecedented look at how to address business waste in a manner that will improve your organization's environmental and financial performance. Tackling the problem of business garbage from a Lean perspective, the book maintains a focus on how to minimize garbage in ways that cut costs. It considers the problem of garbage in terms of transportation, inventory, and labor costs-with an effort to connect reductions in garbage production at all stages with lower operating costs and improved productivity. Explaining how to use garbage analysis as a tool to identify the problems in process flow that produced the garbage, this book describes how to look downstream for options to reuse, repurpose, and recycle garbage to minimize landfill impact and costs. The text includes practical exercises with step-by-step instructions, as well as real-world examples that illustrate how specific wastes have been dealt with profitably by various organizations.
This book focuses on sustainable solid waste management in an urban context and gives an example of how a modern city can work with waste management for increased sustainability in close cooperation with the academy. The book describes challenges which the city is facing and presents a case on how these can be tackled based on several research and development projects performed in the City of Malmoe over the last decade. In these projects, the city has worked as a test bed for new solutions, developed with and evaluated by the university. The projects and evaluations of the same have been developed with a multi-dimensional approach; including technical aspects, resource efficiency, economic parameters, information strategies towards households and user friendliness. Methods used for evaluation are presented in a comprehensive way together with a discussion on how results from performed evaluations have affected the solid waste management policy making in the city. The book describes a bridging over a commonly noticed gap between research on the one hand and policy making and technical management on the other. Several examples are given on how academy and real life and full-scale developments in the city can have a fruit-full collaboration, where feed-back from evaluation of made changes are used for continuous improvements - at the same time as the actual needs from the city forces the academy to develop new methods for evaluations and develop new solutions to previously un-known or un-addressed problems.
This volume is designed to give local government elected officials and their staff the background information they need on the state of the art in small scale municipal waste-to-energy project development. It will, of course, be of interest to many others in the field. The small-scale segment of the municipal waste energy recovery industry has grown and changed in many ways in recent years. With increasingly stringent environmental regulations pushing up the costs of landfilling, as well as today's higher prices for oil and natural gas, the economics of small-scale systems are attractive to smaller communities or counties which might at one time only have considered joining a multijurisdictional large-scale project. The difficulties involved in devel oping a project that envelops numerous governmental entities are discouraging, and a small, local project may be more readily achievable. Gershman, Brickner & Bratton, Inc. hopes this book will be of assistance to those who are considering such a project, providing guidance and encouragement, as well as practical information on technologies, eco nomics, energy markets, financing, environmental issues, and the pitfalls of project development."
Ponds (lagoons) have been used for centuries with great success in the treatment of wastewater. Ponds created for treatment, known as stabilization ponds, model the physical and biochemical interactions that occur in natural ponds. Easy to build and manage, stabilization ponds can accommodate large fluctuations in flow, and provide results that are comparable to conventional systems at a much lower cost. Wastewater Stabilization Ponds examines the use of this natural and highly effective process. The text is centered on wastewater pond management processes and operation procedures that provide passive treatment with a minimum of energy-driven mechanical elements. It highlights the environmental principles, practices, engineering, and mathematics involved in the design and operation of conventional wastewater stabilization ponds. It also explores the major processes, procedures, and design methods relevant to wastewater treatment ponds. This includes the basic processes, in-pond design evolution and enhancements, oxygen addition, and modifications that require energy, nutrient removal, as well as effluent total suspended solids removal. Emphasizing the design, construction, and operation of wastewater ponds, the book serves as a valuable resource for anyone seeking information on pond construction and operation, knowledge of pond operation, and assistance in certification exam preparation and study. Presents a design of wastewater stabilization ponds Includes a complete description of pond process elements Provides descriptions of pond insect macroinvertebrates Incorporates pond morphometry calculations Contains extensive pond-related math problems Sustainability and energy conservation are underlying themes throughout the text and the authors offer valuable information on potential renewable energy sources.
The papers in this volume arose out of two workshops entitled "Confinement and Remediation of Environmental Hazards," and "Resource Recovery," as part of the IMA 1999-2000 program year. These workshops brought together mathematicians, engineers and scientists to summarize recent theoretical, computational, and experimental advances in the theory of phenomena in porous media. The first workshop focused on the mathematical problems which arise in groundwater transport of contamination, and the spreading, confinement and remediation of biological, chemical and radioactive waste. In the second conference, the processes underlying petroleum recovery and the geological time scale of deformation, flow and reaction in porous media were discussed. Simulation techniques were used to simulate complex domains with widely-ranging spatial resolution and types of physics. Probability funcional methods for determining the most probable state of the subsurface and related uncertainty were discussed. Practical examples included breakout from chemical and radioactive waste repositories, confinement by injection of pore plugging material and bioremediation of petroleum and other wastes. This volume will be of interest to subsurface science practitioners who would like a view of recent mathematical and experimental efforts to examine subsurface science phenomena related to resource recovery and remediation issues.
Concern about the fate of waste products produced by a wide
range of industrial processes has led to the realization that they
may have potential uses and, therefore, value. In an effort to
develop more sustainable processes and reduce waste storage, the
use of waste as a resource has been gaining attention worldwide.
Consequently, there have been a large number of studies aimed at
utilizing such wastes. Conversion of Large Scale Wastes into
Value-added Products discusses various selected classes of
large-scale waste and their current applications and potential
future applications.
The final chapter presents a general conclusion to the broad subject of waste utilization, summarizing the topics and addressing future trends in waste research.
Sampllng Fundamental Aspects 2 Sampling: Fundamental aspects Reimar Leschber Institut fuer Wasser-, Boden- und Lufthygiene des Bundesge- sundheitsamtes, Berlin-Dahlem, Federal Republic of Germany Chairman of Working Party 2, COST 681 Protection of the environment increasingly requires the de- velopment of a recycling society using 'secondary raw ma- terials' instead of natural resources wherever possible. Among the methods of recycling the agricultural use of sludge is a traditional one and a good example with a long history of a meanlngful use of waste material. Increasing demands of water pollution control in the last de- cades leading to intensified and extended sewage treatment processes and thus to an increase of the sludge quantity have caused problems in this field in general. In addition, there were local problems of industrial pollution which have led to an increase of harmful substances in municipal sewage sludges. So, when the Concerted Action COST 68 was set up to study the beneficial and harmful effects of the agricultural use of sludge, investigation of harmful substances in the sludges and their environmental effects was 9ne of the main tasks of work. Although the progress of analytical techniques enabled the environmental authorities and institutions to determine harmful substances in sludges with great accuracy, it became clear that unsatisfactory results and an incomplete reproduc- ibility of analytical findings often were not due to shortcom- ings in the analytical procedure itself but to a preceding in- vestigation step: Improper sampling and sample preparation.
Five billion people, at present the world population, inevitably affect the quality of the environment. The general public in an increasing number of countries is getting more and more concerned about this deterioration in quality. As a result many people cast doubts upon the desirability of the increase in energy consumption, the production of superfluous goods, ever-growing waste flows, harmful emissions of industrial processes, and so on. Actually, no one can simply ignore these issues. For instance, the authorities could introduce more environmental legislation aiming at a healthy environment; industries could change to cleaner production processes; the public at large should assume an even more conservation-minded attitude rather than confine themselves to shaking a finger at 'the industry'. In short, in all sectors of society there are often numerous ways and means of curbing environmental pollution. Clearly, environmental technology - the development and application of techniques to identify, quantify and reduce environmental problems - can make a substantial contribution here in many situations. Until now a large number of such new techniques have been developed. Many of these techniques not only appear to add greatly to reducing the burden on the environment, they sometimes also offer interesting economic advantages (savings in raw material and energy, etc.).
Biofilms represent the natural living style of microbial communities and play a pivotal role in biogeochemical cycles and natural attenuation. Biofilms can be engineered for biodegradation and biotransformation of organic and inorganic contaminants, for both in situ bioremediation and ex situ treatment in bioreactors. This book focuses on microbial biofilms and their potential technological applications for sustainable development. It covers recent advances in biofilm technologies for contaminant remediation coupled to recovery of resources and serves as a complete reference on the science and technology behind biofilm mediated bioremediation and wastewater treatment.
Landfilling of waste has increased dramatically over recent years and there have been many examples of landfills which are unacceptable on environmental and health grounds. This is one of a group of international reference books which address this problem, specifically in this case covering the strongly contaminated wastewater developed from landfills.
Solid waste is a major urban challenge worldwide and decisions over which technologies or methods to apply can have beneficial or detrimental long-term consequences. Inappropriate management of solid waste can lead to damaging environmental impacts, particularly in the megacities of the Global South. Urban Recycling Cooperatives explores the multiple narratives and interdisciplinary nature of waste studies, drawing attention to the pressing social, economic and environmental challenges related to waste management. The book asks questions such as: how do we define waste and our relation to it; who is involved in dealing with waste; and what power interactions become manifest over issues of accessing and managing waste? In recent years informal cooperatives have emerged, devoted to recycling household and business waste before reclassifying it and redirecting it to the authorities. Hence, these workers are able to reclaim significant amounts of natural resources and thus contribute to the saving of resources and lessened waste management expenditures. With particular reference to the Brazilian megalopolis of Sao Paulo, this book describes this paradigm shift in the general understanding of waste as unwanted discard towards the recognition of waste as a resource that must be recovered for reuse or recycling. It would be of interest to students and policy makers working in international development and waste management.
A successful modern heavy metal control program for any industry will include not only traditional water pollution control, but also air pollution control, soil conservation, site remediation, groundwater protection, public health management, solid waste disposal, and combined industrial-municipal heavy metal waste management. In fact, it should be a total environmental control program. Comprehensive in scope, Heavy Metals in the Environment provides technical and economical information on the development of a feasible total heavy metal control program that can benefit industry and local municipalities. The book discusses the importance and contamination of metals such as lead, chromium, cadmium, zinc, copper, nickel, iron, and mercury. It covers important research of metals in the environment, the processes and mechanisms for metals control and removal, the environmental behavior and effects of engineered metal and metal oxide nanoparticles, environmental geochemistry of high arsenic aquifer systems, nano-technology applications in metal ion adsorption, biosorption of metals, and heavy metal removal by expopolysaccharide-producing cyanobacteria. The authors delineate technologies for metals treatment and management, metal bearing effluents, metal-contaminated solid wastes, metal finishing industry wastes and brownfield sites, and arsenic-contaminated groundwater streams. They also discuss control, treatment, and management of metal emissions from motor vehicles. The authors reflect the breadth of the field and draw on personal experiences to provide an in-depth presentation of environmental pollution sources, waste characteristics, control technologies, management strategies, facility innovations, process alternatives, costs, case histories, effluent standards, and future trends for each industrial or commercial operation. The methodologies and technologies discussed are directly applicable to the waste management problems that must be met in all industries.
This book presents an overview of the technology that allows millions and millions of tons of municipal solid waste generated globally to be perceived as an asset which, after materials recovery for recycling, can be used to generate clean power, transport fuels that can substitute fossil fuels, and value-based chemicals with minimal environmental impact. It also explains how hazardous wastes and sewage sludge can be treated and disposed of without affecting human and environmental health. It does so by providing a full discussion of established thermal conversion technologies generating heat, electricity, liquid fuels and useful chemicals from solid waste. Featuring case studies describing worldwide waste-to-energy plants in successful operation, it offers highly suited supporting material for an introductory course on waste thermal conversion processes.
Following an active science-meets-industry approach on dealing with biomass and organics waste streams, this timely book foregrounds key issues facing South African policy makers, industry practitioners and scholars. The editors drew together a wide pool of experts in the biomass and organic valorisation industry and research, offering the most recent research, development and innovation undertaken by South African universities and science councils. Spanning twelve chapters and divided into the following four key parts, the book offers solutions to industry and research on: Quantifying organic waste: An overview of potential sources and volumes is offered, with an identification and characterisation of solid biowaste residues. Biological treatment, covering the latest norms and standards; a biorefinery approach for the sugar industry; an integrated waste management approach for municipal sewage treatment; biogas production from abattoir waste; optimisation of biogas production from animal waste; and integrated bioremediation and beneficiation of bio-based waste. Mechanical and chemical treatment, covering the beneficiation of sawdust waste; developing sustainable biobased polymer and bio-nanocomposite materials; and the valorisation of waste mango seeds. Thermal treatment, which evaluates different municipal solid waste recycling targets in terms of energy recovery and CO2 reduction. |
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