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Books > Earth & environment > The environment > Waste management
This book presents a number of innovative uses of fly ash. Fly ash is a fine powder that is a byproduct of burning pulverized coal in thermal power plants. It is a pozzolan - a substance containing aluminous and siliceous material that when mixed with lime and water forms a compound similar to Portland cement. Though fly ash was a problem in terms of its disposal, it now has a variety of uses, such as a prime material in blocks, bricks, and PCC paving, and further applications are being investigated. As such, the recovery and reuse of fly ash wastes plays an important role in the implementation of the circular economy concept. Featuring selected, high-quality research papers presented at IconSWM 2018, the book provides valuable insights for the recycling industries, power plants, researchers, and governments.
This volume provides an overview of recent trends in bioremediation techniques. Gathering contributions by a multi-disciplinary team of authors, it reviews the available methodologies for the remediation of various types of waste, e.g. e-waste, wastewater, municipal solid waste and algal blooms. Bioprocessing techniques are not only used for environmental cleanup but also for the production of valuable added products from waste biomass. Accordingly, this book provides the reader with an update on current valorization techniques for biofuels, algal biorefineries, and the hydrothermal conversion of biomass. Given its interdisciplinary scope, the book offers a valuable asset for students, researchers and engineers working in biotechnology, environmental engineering, wastewater management, chemical engineering and related areas.
Foreword Over the past decades, Piero Risoluti has built up an intimate knowl edge of the nuclear industry - in particular of nuclear waste man agement. In this book, his scientific understanding is apparent - for example in his comprehensive but readily understandable descrip tions of waste conditioning and disposal. Moreover, he has also been directly involved in the wider societal and political debates in the nuclear area - especially in his Italian homeland. What shines through in these pages is.his frustration at the lack of progress in im plementing disposal concepts that are judged by many to be very safe and his unfaltering drive to improve this situation. To provoke debate, the book is very deliberately written in a po larising, black and white style that can easily be labelled as "politi cally incorrect" - a characterisation that Piero will probably agree with and be amused by. Criticism is directed equally at "loud mouthed and incompetent anti-nuclear environmentalists," the "nu clear Byzantium" of the international nuclear establishment, the "in tellectual narcissism" of those nuclear experts that dare to admit the importance of societal issues, and the tendency of politicians to "in definite procrastination." These are not words chosen to avoid open confrontation of opposing views."
"Water and Health" strengthens the dynamic relationship between human health and water. The book has the potential to ignite our minds about several water-related diseases due to biological and chemical contamination, and to their high-end solutions. The contents are original, comprehensive and highly informative, and gradually take the reader around the component most important to his or her quality life, and not just existence. The book is set in social, scientific and economic dimensions, and is a must read for all those who cherish and celebrate human life and dignity.
High-level nuclear waste (HLW) is a controversial and risky issue. For the next 100 years, the HLW will be subject to policy decisions and value assessments. Physically safe, technologically stable, and socio-economically sustainable HLW-management will top the agenda. That must be accomplished in a society whose segments are both stable and in a rapid state of flux, under the influence of global as well as national factors, private interests as well as the vagaries of national politics. Among the challenges to be faced is how to codify responsibilities of nuclear industry, governments and international organisations, and any adopted management policy must attain legitimacy at the local, national, regional and global levels. All such considerations raise questions about the practical and theoretical knowledge. This special issue book will address these questions by exploring HLW-management in Canada, France, Germany, India, Sweden, the UK and the USA. Special emphasis will be placed on highlighting national context, current trends and uncertainties, with relevance to a socially sustainable contemporary and future HLW-management.
FRANCIS W. HOLM 30 Agua Sarca Road, Placitas, New Mexico 1. Overview The North Atlantic Treaty Organization (NATO) sponsored an Advanced Research in Prague, Czech Republic, on October 13-15, 1997, to collect and Workshop (ARW) study information on effluents from alternative demilitarization technologies and to report on these fmdings. The effluents, orprocess residues, identified for assessment at the workshop are generated by systems that have been proposed as alternatives to incineration technology for destruction of munitions, chemical warfare agent, and associated materials and debris. The alternative technologies analyzed are grouped into three categories based on process bulk operating temperature: low (0-200 C), medium (200-600 C), and high (600-3,500 C). Reaction types considered include hydrolysis, biodegradation, electrochemical oxidation, gas-phase high-temperature reduction, steam reforming, gasification, sulfur reactions, solvated electron chemistry, sodium reactions, supercritical water oxidation, wet air oxidation, and plasma torch technology. These ofprocesses, some of which have been studied categories represent a broad spectrum only in the laboratory and some of which are in commercial use for destruction of hazardous and toxic wastes. Some technologies have been developed and used for specific commercial applications; however, in all cases, research, development, test, and evaluation (RDT&E) is necessary to assure that each technology application is effective for destroying chemical warfare materiel. Table 1 contains a list of more than 40 technologies from a recent report for the U.S. Army [1]. Many ofthe technologies in Table 1 are based on similar principles.
This book systematically introduces the key technologies for differentiated resourceful utilization of rural organic wastes based on high-efficiency anaerobic fermentation and bio-augmented composting, and discusses differentiating sources of organic wastes, integrating recycling technologies, developing key equipment, and researching management mechanisms. In addition, it describes the development of viable techniques and low-pollution, low-cost, and low-maintenance equipment. It also includes the technical specifications for the differentiated resourceful utilization of rural organic wastes and presents the energy-fertilizer integrated resourceful utilization method for rural organic wastes. Providing technological insights into improving the resourceful utilization level of rural organic wastes, this book is a valuable reference resource for administrative staff, researchers in the field of environmental protection, and technicians in enterprises involved in the treatment and disposal of solid wastes.
This book highlights the relevant and timely global change movement: green entrepreneurship. Presented in this book is relevant literature and academic knowledge. The book is expected to support in creating more green entrepreneurship initiatives in collaboration with the UN Sustainable Development Goals.
This book examines resource recovery and recycling from waste metal dust, including currently used techniques for waste processing and recycling and their applications, with practical examples and economic potentials of the processes. The focus of this book is on resource recovery by suitable treatments and techniques, including those of recovery by-products. For the first time, this book provides a comprehensive, one-stop reference including seminal principles and methods, the advantages and disadvantages of the processes discussed, and the economics of the technology. It will serve as a technical reference for working scientists and engineers, while serving as an educational reference to students studying the waste recovery of metals.
The private sector involvement in public service is intended to achieve efficiency gain and better service quality through increasing private sector finance and expertise. However, these benefits are most often not achieved in developing countries due to investment risk of private finance, and problems of capacity and regulation of the private sector. This book examines private sector involvement (PSI) in solid waste collection by exploring the influence of private sector capacity and Local Governments regulations on private sector performance in terms of productivity and service quality. PSI in public service provision evolved to deal with market and government failures, so this study uses market and regulatory theories to explore the gaps in policy and practice of PSI and the factor explaining private sector performance in five cities in Ghana. The study shows there were weak regulatory practices and non-adherence to contractual obligations (unsigned contracts and delayed payment of subsidy), and consequently led to disincentives for full cost recovery and better service quality. However, there is now a gradual well functioning system being put in place with the recent competitive bidding in two cities with signing of contracts and city-wide user charging. This study concludes that the solutions to the problem of solid waste collection and management in developing countries hinge on adherence to formal rules of regulation, use of appropriate cost recovery mechanism for low income group, and restructuring of institutional arrangement to enforce legislation.
Underground geological storage of carbon dioxide (CO2) has considerable potential for mitigating climate change. CO2 can be safely injected and stored at well characterized and properly managed sites. Injecting carbon dioxide in deep geological formations can store it underground for long periods of time. Depleted oil and gas reservoirs, saline aquifers and carboniferous formations can be used for storage of CO2, as well as in abandoned coal mines. At depths below about 800-1000m, CO2 has a liquid-like density that permits the efficient use of underground reservoirs in porous sedimentary rocks. The papers in the present volume are from leading experts in the field of CO2 storage and were presented at an International Workshop on CO2 Storage in Carboniferous Formations and Abandoned Coal Mines (Beijing, China, 8-9 January 2011). CO2 storage in abandoned coal mines appears to have a bright future. Although CO2 Storage in Carboniferous Formations and Abandoned Coal Mines is primarily intended for mining engineers, environmental engineers and engineering geologists, the book will also be useful to civil engineers, and academics and professionals in geophysics and geochemistry.
Topics covered in this collection include the following: *Enabling & Understanding Sustainability - Ferrous & Non-ferrous Metals Processing *Understanding & Enabling Sustainability - (Rechargeable) Batteries *Enabling & Understanding Sustainability - Rare Earth Element Applications *Enabling & Understanding Sustainability - Building Materials & Slag Valorisation *Designing Materials and Systems for Sustainability *Understanding & Enabling Sustainability - Light Metals Recycling & Waste Valorisation *Understanding & Enabling Sustainability - Education Research Innovation I *Understanding & Enabling Sustainability - Education Research Innovation II + Electronic Equipment
High-level nuclear waste (HLW) is a controversial and risky issue. For the next 100 years, the HLW will be subject to policy decisions and value assessments. Physically safe, technologically stable, and socio-economically sustainable HLW-management will top the agenda. That must be accomplished in a society whose segments are both stable and in a rapid state of flux, under the influence of global as well as national factors, private interests as well as the vagaries of national politics. Among the challenges to be faced is how to codify responsibilities of nuclear industry, governments and international organisations, and any adopted management policy must attain legitimacy at the local, national, regional and global levels. All such considerations raise questions about the practical and theoretical knowledge. This special issue book will address these questions by exploring HLW-management in Canada, France, Germany, India, Sweden, the UK and the USA. Special emphasis will be placed on highlighting national context, current trends and uncertainties, with relevance to a socially sustainable contemporary and future HLW-management.
This book summarise advanced knowledge and methods to recycle waste and fertilise soils in agriculture. In the near future, waste recycling will no longer be an option because natural resources become rare and costly, urbanisation is blooming and population is growing. In theory, most waste could be recycled. In practice, most waste is wasted. Remarkable aspects include the concepts of waste hierarchy eco-houses in smart cities, microbes and fungi for plant nutrition, and benefits of legume cultivation, biochar application and agropastoralism.
This book presents some of the latest technologies in waste management, and emphasizes the benefits that can be gained from the use of recycled products. Divided into four sections, it deals with phytoremediation, acquatic weed management and the treatment of solid- and water-based wastes, such as those arising from agricultural, industrial and medical activities. With its special emphasis on the utilization of recycled products, this volume will be of interest to students, academicians, policy makers and others who have a practical and academic interest in dealing with the waste society generates.
Nicolas Buclet Waste management issues can be approached in several ways. The question of which treatment technique to adopt is essentially a downstream problem. In our view the issue needed to be tackled further upstream. Waste management is not only a technical problem, it is also an area which involves various actors throughout society. In this book, as in the previous volume (Buclet, Godard, 2000), the organisation of waste management is seen in terms of regimes. A regime is an entire form ofinstitutional, technical, economic and social organisation relating to a specific field, no matter how complex that field is. Regime formation is generally a long-drawn-out process, rooted in the multiple interactions of the actors involved. Legislation plays a crucial role but would not, of itself, lead to the formation of a regime. There is always the old question of causality and which element occurs first: the behaviour of actors who constitute the reality, or the legislation that models their behaviour? Besides legislation, other formal or informal conventions influence the behaviour of actors approaching a common path, making co ordination easier between them. In this book we have insisted on conventional principles. They are the real guides for actors within each national regime."
Environmental Contamination and Remediation Practices at Former and Present Military Bases outlines the different strategies that are useful in the investigation and subsequent remediation of military bases, Particular attention is paid to the pollution of groundwater. The book contains an excellent review of useful remediation techniques and several examples of their application to polluted military bases. Several mathematical models are demonstrated, showing their predictive value for real examples. A detailed list is given of chemical pollutants that can be found on a military base. Strategies are described for the investigation and determination of the future of a polluted military site. Examples are given, obtained from practical experience of dealing with old, contaminated sites.
This book entails the developments in the field of e-waste management with particular focus on urban mining, sustainability, and circular economy aspects. It further explains e-waste recycling technologies, supply chain aspects, e-waste disposal in IT industries including health and environmental effects of E-waste recycling processes and associated issues, challenges, and solutions. Further, it describes economic potential of resource recovery from e-waste. Features: Covers recent developments in e-waste management. Explores technological advancements such as nanotech from e-waste, MREW, fungal biotech and so forth. Reviews electronic component recycling aspects. Discusses implementation of circular economy in e-waste sector. Includes urban mining and sustainability aspects of e-waste. This book is aimed at graduate students and researchers in environmental engineering, waste management, urban mining, circular economy, waste processing, electronics, and telecommunication engineering, electrical and electronics engineering, and chemical engineering.
This book represents the efforts of over a hundred individuals who planned and executed the NSTS field experiments, analyzed the billions of data points, and distilled their findings and insights into the summaries found here. Because these experiments were of a scope that will seldom, if ever, be duplicated, and because the program brought together many of the foremost field experimentalists in this country, we all felt from the beginning that it was important to preserve the outcome. This was done in two ways. First, the raw data were made available to any interested investigator within 18 months of the completion of each experiment. Secondly, both the methodology of the experiments and the findings from them were codified in the form of a monograph. This book is that result. I have had the occasion recently (Sediments '87 Proceedings, Vol. 1, pp. 642-651) to assess the NSTS performance. I found that we made giant strides in our understanding of the surf zone hydrodynamics --far more than our fondest expectations at the beginning. We were able to do less than we had hoped about the response of the sediment, largely because of a limited ability to measure it at a point. As I reported in the Sediments '87 assessment, we established a new state of the art in measurement techniques and we demonstrated the effectiveness of large, multi-investigator, instrument-intensive experiments for studying nearshore processes.
This richly-illustrated reference guide presents innovative techniques focused on reducing time, cost and risk in the construction and maintenance of underground facilities: A primary focus of the technological development in underground engineering is to ease the practical execution and to reduce time, cost and risk in the construction and maintenance of underground facilities such as tunnels and caverns. This can be realized by new design tools for designers, by instant data access for engineers, by virtual prototyping and training for manufacturers, and by robotic devices for maintenance and repair for operators and many more advances. This volume presents the latest technological innovations in underground design, construction, and operation, and comprehensively discusses developments in ground improvement, simulation, process integration, safety, monitoring, environmental impact, equipment, boring and cutting, personnel training, materials, robotics and more. These new features are the result of a big research project on underground engineering, which has involved many players in the discipline. Written in an accessible style and with a focus on applied engineering, this book is aimed at a readership of engineers, consultants, contractors, operators, researchers, manufacturers, suppliers and clients in the underground engineering business. It may moreover be used as educational material for advanced courses in tunnelling and underground construction.
Households in the UK each generate around one tonne of waste per year, and the successful management and disposal of this waste is becoming an increasingly important issue. In many cases, recycling is the most sensible option, and the UK government has set a target to recycle a quarter of all household waste by the year 2000. This book gives an overview of the waste management and disposal options currently available, and provides a comprehensive and up-to-date analysis of how recycling could develop. The author ? one of the UK's leading experts ? looks at how much of the waste is potentially recyclable, shows the various ways in which recyclable materials can be separated and reprocessed, and assesses the existing markets for recyclable materials. He gives an in-depth account of the important subject of packaging recycling, and compares the UK's progress and performance with what is happening elsewhere in Europe. He also discusses how the performance of current recycling schemes can be measured and costed, and forecasts future developments in the industry. Dr Richard Waite is a former Specialist Advisor to the House of Commons Environment Select Committee and is currently a consultant with Coopers & Lybrand. He established one of the first commercial MRFs in the country, and has advised many local authorities, central government departments (including the European Commission) and private sector organisations on recycling issues. Originally published in 1995
This volume comprises a collection of four special lectures, six general reports and 112 papers presented at the Sixth International Symposium of Geotechnical Aspects of Underground Construction in Soft Ground (IS-Shanghai) held between 10 and 12 April 2008 in Shanghai, China. The Symposium was organised by Tongji University and the following themes were covered: 1. Analysis and numerical modelling of deep excavations 2. Construction method, ground treatment, and conditioning for tunnelling 3. Case histories 4. Safety issues, risk analysis, hazard management and control 5. Physical and numerical modelling 6. Calculation, design methods, and predictive tools This volume provides a valuable source of information on the the state-of-the-art in geotechnical engineering associated with the design, construction and monitoring of tunnels and excavations in soft ground, and will be of interest to academics and professionals involved in these areas.
Underground infrastructure (traffic and railway tunnels, water and sewage ducts, garages, and subways) is essential for urbanized areas, as they fulfill an important role in the transportation of people, energy, communication and water. Underground Infrastructure of Urban Areas is a collection of papers on the design, application, and maintenance of underground and subterranean systems, with a focus on geotechnical aspects and town planning issues. The topics covered include: - Gas and potable water pipes; - Underground storage reservoirs; - Urban technical infrastructure and city management; - Drainage system infrastructures; - Micro tunnelling pipelines; - Underground garages; - Material structures; - Road tunnels. Underground Infrastructure of Urban Areas is of interest to academics, designers and builders of underground structures, manufacturers and suppliers of building materials and equipment, and to policy makers involved in managing and maintaining these structures.
Despite frequent claims that waste is being reduced, consumer-reliant economies, everyday consumption and the waste industry continue to produce and demand more waste. Combining a lucid style with robust empirical and theoretical research, this book examines the root causes of the global waste problem, rather than simply the symptoms. It challenges existing waste policies, highlighting what needs to change if we are to get serious in tackling this global problem. It concludes with policy implications for shifting waste from an 'end-of-pipe' concern to being at the heart of the debate over decarbonisation. |
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