HARMONIZATION OF LEACHING EXTRACTION TESTS STUDIES IN ENVIRONMENTAL SCIENCE

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Harmonization Of Leaching Extraction Tests

Author : L. Heasman
ISBN : 0080533302
Genre : Science
File Size : 29.26 MB
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This is a unique compilation on the use of leaching/extraction methods in different fields. The use of leaching test methods is increasing in various areas including: waste treatment and disposal; incineration of waste; soil clean-up and reuse of cleaned soil; sludge treatment. This has led to (and may increasingly lead to) the development of a large number of very similar tests in these different fields. However, these developments are taking place with no clear understanding of their mutual relationships. In view of these developments, efforts are needed to harmonize the leaching procedures that could be adapted for different matrices, as well as validate the use of existing tests in other fields. The development of a wide variety of leaching/extraction tests for different matrices is undesirable from a regulatory point of view and undesirable for industry. Clarity in testing is crucial in producer-consumer relations. This collective document will assist in improving the understanding of leaching from a variety of sources and will, where appropriate, help to bring together the approaches used in different technical fields and in different countries.
Category: Science

Methodologies For Soil And Sediment Fractionation Studies

Author : Philippe Quevauviller
ISBN : 9781847551412
Genre : Science
File Size : 26.41 MB
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The analysis of soils and sediments for pollutants is increasingly required in today's industrial world. It is therefore important that extraction procedures used for environmental risk assessment studies, production of certified reference materials and applications of extraction schemes are standardised throughout the scientific community. This book deals specifically with operationally-defined extraction methods for the determination of "fractions" of elements in soil and sediment matrices. Bringing together the work of a number of different international laboratories, the book describes single and sequential extraction procedures. It then goes on to present a summary of the latest research on extraction/leaching tests for the determination of trace organic compounds in wastes, followed by an outline of an international network which aims to standardise extraction and leaching methodologies for their applications to various environmental matrices. Methodologies for Soil and Sediment Fractionation Studies will be welcomed by researchers and analysts in academia, industry and government institutions worldwide.
Category: Science

Environmental Remediation Technologies For Metal Contaminated Soils

Author : Hiroshi Hasegawa
ISBN : 9784431557593
Genre : Technology & Engineering
File Size : 41.59 MB
Format : PDF
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This book presents a comprehensive and detailed description of remediation techniques for metal-contaminated soils derived from both natural processes and anthropogenic activities. Using a methodical, step-by-step presentation, the book starts by overviewing the origin of toxicants and the correlated comparative extent of contamination to the environment. The legal provisions as proposed or applied in different countries are then discussed to explain the global regulatory situation regarding soil contamination and the extent of consequent concern. The core part of this publication describes the major techniques for in situ or ex situ treatment of the contaminated soil to meet the regulatory limits. Finally, risk evaluation is incorporated, giving special attention to possible impacts during or after implementation of the remediation strategies. The intrusion of metals in soils mostly occurs from various anthropogenic activities, e.g., agricultural practices, industrial activities, and municipal waste disposal. The volumes of metal-contaminated soil are becoming greater than before and are ever-increasing due to rapid urbanization, intensified industrialization, and/or population booms in certain parts of the world. Hence, the options previously proposed, such as isolation of the contaminated site or movement of the contaminated mass to a secure disposal site after excavation, are becoming unsuitable from the economic point of view, and instead, decontamination alternatives are preferred. This book will help readers such as scientists and regulators to understand the details of the remediation techniques available to deal with the soils contaminated by toxic metals.
Category: Technology & Engineering

Waste Materials In Construction

Author : G.R. Woolley
ISBN : 0080543650
Genre : Technology & Engineering
File Size : 81.25 MB
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This volume presents the proceedings of the International Conference on The Science and Engineering of Recycling for Environmental Protection (WASCON 2000), of which a number of themes have been identified. All are inter-related and inter-dependent in so far as potential users of secondary, recovered or recycled material have to be assured that the material is environmentally safe and stable. It is the environmental challenge that forms a leading theme for the conference, and the themes of quality assurance and quality control support this aspect. In terms of use of 'recovered' materials, science and engineering play important and inter-dependent roles and this is reflected in themes which form the very core of the conference. Of no less importance is control of land contamination and how we propose to model for the long term impact of our aims. However dutiful and competent our ideas and studies, there has to be a measure of control and the role of legislation forms the final theme of WASCON 2000. The breadth of studies being undertaken world-wide and the innovative ideas that are expressed in papers submitted are worthy of this important subject. It is also interesting to note that papers were offered from 30 countries, a sign of the increasing awareness of the need to preserve our natural resources and utilize to the full those with which we are more familiar. This book will contribute to the understanding of and solution of environmental problems concerning the re-use of waste materials in construction.
Category: Technology & Engineering

Elements And Their Compounds In The Environment

Author : Ernest Merian
ISBN : 3527304592
Genre : Science
File Size : 88.86 MB
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Since the last edition was published in 1991, the "Merian" has established itself as the standard reference on this topic, and remains unmatched in the breadth of material covered. This new edition has 20 % more pages while being more clearly and concisely structured. New topical features are the focus on nutritional aspects and the coverage of further elements, including non-metals. The newly added chapters cover more than 15 essential elements, as well as some of environmental and nutritional importance. While many chapters of the previous edition have been practically rewritten to accommodate the rapid progress made in this field, all the contributions have been revised and updated to present the current state of knowledge. As such, the handbook continues to provide detailed information on the environmental metals that influence the health of plants, animals and humans, with particular attention given to environmental and analytical chemistry, bioavailability, metabolic pathways and biological effects. It also delineates the problems related to waste, soils and wildlife as well as the risks caused by the increasing output of metals from industry and households. It retains the proven features of the first edition, such as the extensive bibliography, numerous tables with useful data and a glossary of terms, and once again all the contributions were not only written but also reviewed by acknowledged and experienced experts. In total, international experts from 15 countries have pooled their knowledge and experience to create this ultimate resource. Essential information for chemists, biologists, geologists, food scientists, toxicologists and physiologists involved in environmental research and remediation, risk assessment, food research and industrial hygiene.
Category: Science

Rewas 99

Author : Minerals, Metals and Materials Society. Fall Extraction and Process Metallurgy Meeting
ISBN : PSU:000051123451
Genre : Technology & Engineering
File Size : 89.56 MB
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Category: Technology & Engineering

Recycling And Reuse Of Waste Materials

Author : Ravindra K. Dhir
ISBN : 0727732528
Genre : Nature
File Size : 38.46 MB
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This volume presents part of the proceedings of two symposia held under the umbrella of Advances in Waste Management, an international meeting organized by the University of Dundee"s Concrete Technology Unit. CONTENTS include: Waste Generation Issues; Processing for use; Recycling and Refuse; Performance; and Future developments.
Category: Nature

Proceedings In Print

Author :
ISBN : UVA:X006025935
Genre : Aeronautics
File Size : 28.18 MB
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Category: Aeronautics