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Books > Earth & environment > The environment > Pollution & threats to the environment > General
The soil is the medium through which pollutants originating from human activities, both in agriculture and industry, move from the land surfaces to groundwater. Polluting substances are subject to complex physical, chemical and biological transformations during their movement through the soil. Their displacement depends on the transport properties of the water-air-soil system and on the molecular properties of the pollutants. Prediction of soil pollution and restoration of polluted soils requires an under standing of the processes controlling the fate of pollutants in the soil medium and of the dynamics of the contaminants in the un saturated zone. Our book was conceived. as a basic overview of the processes governing the behavior of pollutants as affected by soil constituents and environmental factors. It was written for the use of specialists working on soil and unsaturated zone pollution and restoration, as well as for graduate students starting research in this field. Since many specialists working on soil restoration lack a back ground in soil science or a knowledge of the properties of soil pollutants, we have included this information which forms the first part of the book. In the second part, we discuss the partitioning of pollutants between the aqueous, solid and gaseous phase of the soil medium. The retention, transformation and transport of pollutants in the soils form the third section."
In 2004 an amount of 187 tons of palladium has been sold in world market. The main demands were automotive catalyst (58%), electronics (14%), jewellery (14%) and dental practises (13%). Especially, the increasing use of palladium in catalytic converters is a reason for substantial research in this field. Emission, environmental distribution and possible health effects of pla- num have been summarized detailed in two recent books "Emissionen von Platinmetallen: Analytik, Umwelt- und Gesundheitsrelevanz" and "Anth- pogenic Platinum Group Emissions - Their Impact on Man and Envir- ment" published by Springer in 1999 and 2000 (Zereini & Alt (Eds)). But there is a clear lack of information concerning palladium. It is very imp- tant to condense the present state of research findings from emission to potential health risks for the environment and humans. Very important is the chapter about analytical determination of pal- dium, which shows clearly the problems of several analytical techniques. Some data published during the last decade have to be re-evaluated because of insufficient analytical techniques. Also the finding that palladium c- pounds are relatively soluble and mobile in environmental settings is a great issue for further investigations. I think it is the right time for such a comprehensive book about palladium research and I am sure that readers with different scientific background like chemists, biologists, geologists medical doctors e.g. will benefit very much from reading this book.
This text offers information on the theory of major drinking water treatment processes and contains real-life practical examples. It aims to create guidelines for the design of unit processes that operate within an overall framework for water treatment plants.
Commercial chemicals contribute to our social welfare, yet can pose serious problems for the environment. How do we recognise these problems? How do we manage them? How do we objectively balance environmental risks with social benefits? This book describes the principles and practices of ecological risk assessment and cost-benefit analysis, asking key but challenging questions such as what are we trying to protect? and how do we undertake a cost-benefit analysis?. It also shows how these principles are written into legislation. The emphasis is on the EU Directives and Regulations, with a chapter on the instruments and institutions involved; but this is balanced by a review of US and International policies and legislation. In conclusion, the discussion returns to the question of attempting to balance risks with benefits, particularly in the context of the development of sustainable and globally practicable chemical control policies. The text is supplemented by a glossary that defines the inevitably large number of abbreviations and acronyms used by environmental policy-makers and regulators. The book is intended for all those who have an interest in industrial chemicals, but who need an overview of pollution and pollution control issues. It will provide an excellent reference tool for undergraduates in Environmental Science, and Policy-Makers and Environmental Consultants in the areas of ecology, ecotoxicology and risk assessment.
Alm provides a descriptive analysis of the science-policy linkage that defined the policy debate over acid rain in the United States. He focuses on the role that science and scientists played in both defining the acid rain problem as one worthy of policy consideration and in framing the acid rain issue in a way that would prompt action to reduce pollution levels. A major concern of AlM's study are the problems scientists have in connecting to the policy side of environmental debates. He provides in-depth exchanges from the floor of Congress between scientists and policy makers as they debated the merits of reducing acid rain pollution. These exchanges provide special insight into the difficulty that scientists have in communicating the findings of their research to policy makers and the public. In addition, he uses in-depth interviews with the acid-rain scientists themselves to delineate the way they perceive how science is and ought to be linked to the policy world. Finally, Alm looks at the different perspectives offered by United States scientists versus Canadian scientists and natural scientists versus social scientists, and he examines the importance and implications of these differences to the future of environmental policy making in the United States.
This book critically evaluates recently investigated feedstock for biofuels production. Biofuel sector is rapidly evolving to cater the renewable energy demands. Novel and advanced feedstock are being investigated for their techno-economic feasibility. Environmental concerns, food vs fuel debate, energy security, economic feasibility, and availability are the major drivers for exploring different feedstock for biofuel production. This book explores a wide range of potential biofuels feedstock, their functional concepts, recent advancement, novel technique and critical evaluation with other available biofuel feedstock. This book also discusses future prospects of biofuel production. It is a useful read for students, researchers, faculty, industry and policy makers in the biofuel field.
This book honors Professor. John O'M. Bockris, presenting authoritative reviews on some of the subjects to which he made significant contributions - i.e., electrocatalysis, fuel cells, electrochemical theory, electrochemistry of single crystals, in situ techniques, rechargeable batteries, passivity, and solar-fuels - and revealing the roles of electrochemical science and technology in achieving a sustainable society. Electrochemistry has long been an object of study and is now growing in importance, not only because of its fundamental scientific interest but also because of the central role it is expected to play in a future sustainable society. Professor John O'M. Bockris contributed greatly to various aspects of fundamental and applied electrochemistry - such as the structure of the double layer, kinetics and mechanism of the electrochemistry of hydrogen and oxygen, electrocatalysis, adsorption and electrochemical oxidation of small organic molecules, fuel cells, electrocrystallization, theoretical electrochemistry, new methods, photoelectrochemistry, bioelectrochemistry, corrosion and passivity, hydrogen in metals, ionic solutions and ionic liquids, and molten silicates and glasses, as well as socio-economic issues such as the hydrogen economy - for over half a century from 1945 until his retirement in 1997.
Includes proceedings of a seminar held in Silsoe, UK, 26-28 March 1990.
In order to assess the environmental exposure from chemicals in various media, you must know the rate at which a chemical will degrade. Handbook of Environmental Degradation Rates saves you the time and money collecting and evaluating this important information. The Handbook provides rate constant and half-life ranges for various processes and combines them into ranges for different media (air, groundwater, surface water, soils), which can be directly entered into various models.
Emerging contaminants (ECs) are predominantly unregulated anthropogenic chemicals that occur in air, soil, water, food, and plant/animal tissues in trace concentrations. ECs are persistent in the environment, capable of perturbing the physiology of target receptors and, therefore, are increasingly regarded as a subject of concern. This volume aims to enhance understanding of emerging contaminants' effects on plants and the environment and to highlight and address the need of sustainable and eco-friendly approaches in mitigating and remediating the effects of ECs. The book comprises chapters from diverse areas dealing with biotechnology, microbial technology, nanotechnology, molecular biology, remediation, and more. This volume will be useful to remediation practitioners, researchers, regulators and graduate students.
This book investigates radiocesium movement in all major components of forest ecosystems, e.g. the plants, animals, insects, microorganisms, and soils, during the initial stage of contamination after the incident at Fukushima Daiichi Nuclear Power Plant. Most of the work was conducted at a common research site. More specifically, the book examines the contribution of surface uptake by trees in the dynamics of radiocesium during the initial contamination stage; the movement of radiocesium in the form of small organic fragments that are essential to the radiocesium dynamics in forest ecosystems; and the upward movement of radiocesium due to microorganism activity, which promotes the effective decontamination of the forest floor. Lastly, it explains why spiders could be a valuable indicator of the contamination level in forest ecosystems.
Thirty carefully selected, peer-reviewed contributions from the International Conference on Pure and Applied Chemistry (ICPAC 2016) are featured in this edited book of proceedings. ICPAC 2016, a biennial meeting, was held in Mauritius in July 2016. The chapters in this book reflect a wide range of fundamental and applied research in the chemical sciences and interdisciplinary subjects. This is a unique collection of full research papers as well as reviews.
Reviews of Environmental Contamination and Toxicology attempts to provide 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.
This book comprehensively reviews the key topics in microbial fuel cells (MFC) and its applications in areas related to energy and environmental mitigation. It covers the microbial electrochemistry and the generation of electricity from waste, various synthesis and characterization approaches of polymer-based MFC electrodes, the multifunctional properties of a MFC which allows its simultaneous use as a fuel cell, bioremediation and biosensor device. It provides new direction to the readers to better understand the chemistry in MFC and methods to improve their desired properties. This book is a very valuable reference source for graduates and postgraduates, engineers and research scholars in the areas related to fuel cells electrochemistry and pollution mitigation.
Reviews of Environmental Contamination and Toxicology attempts to provide 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.
For chemists and engineers in ecology, food science, pollution control, and related fields. Details the procedures available for monitoring and controlling carbon, sulfur, and nitrogen pollutants in such industries as waste water treatment, energy, transportation, pharmaceuticals, and mining. Outlin
This book provides insights into microfiber pollution in textile industries that would help researchers and professionals to work from the textile point of view to mitigate the problem, and create a green sustainable future. Microplastic pollution has received great importance due to its adverse environmental and health impact. Microplastic particles are found to contaminate the ecosystem. Research has reported microplastics on seashores, in deep seas, freshwater systems including rivers and lakes, and most importantly in the air. Various land-based and water-based organisms are also contaminated with microplastics. The most serious issue is when these particles are found in the food chain and air which can reach the human system. It has been estimated that human beings can intake up to 1,21,000 microplastic particles in a year through food and inhalation. Being one of the most polluting industries, the contribution of Textile industries in microplastic pollution is extremely higher (around 35%). This book addresses the issue of microfiber/microplastic pollution cause by various techniques including home laundry and the ways to alleviate it.
In these pages is all the information that you-manager, engineer, or other technical professional-would need to select, size, and estimate "budget/study" level capital and annual costs for a variety of air pollution control equipment. This equipment includes wet scrubbers, carbon adsorbers, and other "add-on" devices. This book also deals with such nonstack controls as wet dust suppression systems and flue gas desulfurization systems. The costs are current (1988 or 1989 dollars) and are mainly presented in equational form for ease of computerization and updating. Clear, comprehensive equipment sizing procedures are also detailed. Finally, several detailed example problems are included to illustrate the sizing and costing procedures. This book is not just for technical personnel, however. The material is easy to grasp and use. Anyone with an air pollution control background can follow and apply the procedures and data herein. Using this book, air pollution control professionals can now develop sound, defensible (within +/-30%) cost estimates with a minimum of time and effort.
This book provides relevant findings on nanoparticles' toxicity, their uptake, translocation and mechanisms of interaction with plants at cellular and sub-cellular level. The small size and large specific surface area of nanoparticles endow them with high chemical reactivity and intrinsic toxicity. Such unique physicochemical properties draw global attention of scientists to study potential risks and adverse effects of nanoparticles in the environment. Their toxicity has pronounced effects and consequences for plants and ultimately the whole ecosystem. Plants growing in nanomaterials-polluted sites may exhibit altered metabolism, growth reduction, and lower biomass production. Nanoparticles can adhere to plant roots and exert physicochemical toxicity and subsequently cell death in plants. On the other hand, plants have developed various defense mechanisms against this induced toxicity. This books discusses recent findings as well as several unresolved issues and challenges regarding the interaction and biological effects of nanoparticles. Only detailed studies of these processes and mechanisms will allow researchers to understand the complex plant-nanomaterial interactions.
Japan s asbestos disasters, encompassing both occupational disease and environmental pollution, have been caused principally by the asbestos textile, asbestos cement water pipe, and construction industries. This book is unique in its interdisciplinary approach to those disasters as it incorporates medical science, economics, political science, law, architecture, environmental engineering, sociology, and journalism. Written by authorities in their fields, the chapters reflect the integration of these disciplines in topics that include a historical review of asbestos issues in Japan, asbestos-related diseases, international aspects of the asbestos industry, public policy, divisions of responsibility, relief activities in emergencies, and countermeasures enacted by local governments. The lessons of asbestos problems and policies in Japan are particularly important for developing countries to prevent the proliferation of asbestos disasters. This volume serves as a textbook on asbestos issues for all countries, especially where there is widespread use of asbestos.
This new book evaluates the risks and benefits of the widely used types of drinking water treatment technologies, based on assessment and comparison of chemicals used in treatment, by-products of chemicals, and non-treatment. This valuable material was prepared by independent experts in drinking water treatment technology and toxicology, in conjunction with EPA.
Heavy-metal contamination is one of the world's major environmental problems, posing significant risks to agro-ecosystems. However, conventional technologies for metal-contaminated soil remediation have often been expensive and disruptive. This book provides comprehensive, state-of-the-art coverage of the natural, sustainable alternatives that use a wide range of biological materials in the removal/detoxification of heavy metals, consequently leading to the improvement of crops in these soils. Novel, environmentally friendly and inexpensive solutions are presented based on a sound understanding of metal contamination and the roles of plants and microbes in the management of these toxic soils. Written by more than forty worldwide experts drawing on their wealth of experience in this field, the book provides not only the necessary scientific background but also addresses the challenging questions that require special attention in order to better understand metal toxicity in soils and its management through bioremediation. This book will be of interest to a wide range of students/researchers/practitioners specializing in the areas of environmental microbiology, soil pollution, sustainable development, crop science, soil biology, and related disciplines. It will be especially useful to anyone engaged in identifying metal-contamination problems and trying to solve them through the application of natural and inexpensive biological materials.
This book provides an overview of the latest advances in applications of nanocomposites in wastewater treatment. This book is dedicated to recent developments in the application of polymer nanocomposites to wastewater treatment. Based on their morphology and tailored compositions, polymer nanocomposites provide powerful tools for environmental remediation via selective adsorption of contaminants in complex environmental matrices. The book reviews recent progress in this field, covering various nanocomposite fabrication routes and novel applications for pollutant sensing and detection. It includes discussion of different types of nanocomposites based on metal-organic frameworks and hydrogels, while also covering related topics such as nanocomposite membranes, photocatalysts, and bio-nanocomposites for pollution abatement. Ideal for researchers and engineers in the field, this collection of contributed chapters offers a timely review of current research in nanomaterials for cost-effective pollution control technologies.
With the advent of the industrial revolution , the biosphere has been continuously polluted with a myriad of contaminants that urgently need global attention. In this perspective, most of the genera of the plant family Brassicaceae (Crucifereae or the mustard family) are a significant part of the plants- and associated microbes-based strategies adopted for the cleanup of varied contaminants from environmental compartments. Important genus such as Alyssum, Arabidopsis, Brassica and Thlaspi from Brassicaceae which, besides acting as an attractive genetic model, well-represent the metal hyperaccumulation among approximately 0.2% of all angiosperms and thus, play a key role in the phytoremediation technology. This book i) provides an exhaustive evaluation of the current status of contaminants (metals/metalloids)-addition to varied environmental compartments and its consequences, ii) offers comprehensive and state-of-the-art information on the significance of the plants from the family Brassicaceae in solving environmental pollution issues, iii) examines the physiological, biochemical and molecular-genetic strategies adopted by the plants from Brassicaceae for the remediation of and tolerance to varied environmental contaminants, and iv) supplies a broad reference to the field of environmental science and related disciplines. As a pioneer work and significant addition to the Environmental Pollution book series, the current volume promises to be a useful asset for researchers, students, other academicians and policy makers involved in sustainable remediation of varied environmental compartments.
Adsorption of Metals by Geomedia II serves as a needed resource for
this topic which has received much attention during the past 25
years. The book provides an in-depth review of the field, followed
by numerous chapters that document the current status of adsorption
research for a variety of metals by geomedia ranging from
individual minerals to sediments and soils. Adsorption mechanisms
are detailed and precipitation is presented as a distinct sorption
process. Virtually all factors affecting the extent of metal
adsorption are examined, including the effects of selected anions,
competition among metals, pH, metal concentration, loading,
variable metal adsorption capacity, ionic strength, hydrogen
exchange and stoichiometry, and solids concentration. A variety of
adsorption models are briefly presented and some are used to extend
laboratory studies to field sites. |
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