Use of Humic Substances to Remediate Polluted Environments: From Theory to Practice (eBook, PDF)

Proceedings of the NATO Adanced Research Workshop on Use of Humates to Remediate Polluted Environments: From Theory to Practice, held in Zvenigorod, Russia, 23-29 September 2002
Redaktion: Perminova, Irina V.; Hertkorn, Norbert; Hatfield, Kirk

• Format: PDF

Produktbeschreibung

Effective remediation of polluted environments is a priority in both Eastern and Western countries. In the U.S. and Europe, remediation costs generally exceed the net economic value of the land. As a result, scientists and engineers on both sides of the Atlantic have aggressively tried to develop novel technologies to meet regulatory standards at a fraction of the costs. In situ remediation shows considerable promise from both technical and economic perspectives. In situ technologies that deploy natural attenuating agents such as humic substances (HS) may be even more cost effective. Numerous studies have shown humics capable of altering both the chemical and the physical speciation of the ecotoxicants and in turn attenuate potential adverse environmental repercussions. Furthermore, the reserves of inexpensive humic materials are immense. Which suggests HS portend great promise as inexpensive amendments to mitigate the environmental impacts of ecotoxicants and as active agents in remediation. To elucidate emerging concepts of humics-based remediation technologies, we organized the NATO Advanced Research Workshop (ARW), entitled "Use of humates to remediate polluted environments: from theory to practice", held on September 23-29, 2002 in Zvenigorod, Russia (see the web-site http://www.mgumus.chem.msu.ru/arw).

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Produktdetails

• Verlag: Springer Netherlands
• Seitenzahl: 506
• Erscheinungstermin: 7. April 2006
• Englisch
• ISBN-13: 9781402032523
• Artikelnr.: 37351165

Autorenporträt

Irina V. Perminova, Lomonosov Moscow State University, Moscow, Russia / Kirk Hatfield, University of Florida, Gainesville, FL, USA / Norbert Hertkorn, Institute of Ecological Chemistry, GSF-Research Center for Environmental Health, Neuherberg, Germany

Inhaltsangabe

Remedial properties of humic substances: general considerations and problems in addressing needs of environmental remediation.- Remediation Chemistry of Humic Substances: Theory and Implications for Technology.- Soil Organic Matter and Protective Functions of Humic Substances in the Bioshere.- Chemical Stoichiometry and Molecular Level Mechanisms as Support for Future Predictive Engineering Calculations.- Complexing interactions of humic substances with heavy metals and radionuclides and their remedial implementation.- Interactions of Humic Substances with Trace Metals and Their Stimulatory Effects on Plant Growth.- Influence of UV-Oxidation on the Metal Complexing Properties of NOM.- Role of Humic Substances in the Complexation and Detoxification of Heavy Metals: Case Study of the Dnieper Reservoirs.- Complexation of Radionuclides with Humic Substances.- Humic Acids as Barriers in Actinide Migration in the Environment.- The Use of Humates for the Detoxification of Soils Contaminated with Heavy Metals.- Sorptive-partitioning interactions of humic substances with organic ecotoxicants and their implementation for remediation technologies.- Utilization of Immobilized Humic Organic Matter for in-situ Subsurface Remediation.- The Use of Aqueous Humic Substances for in-situ Remediation of Contaminated Aquifers.- Advantages of in-situ Remediation of Polluted Soil and Practical Problems Encountered During Its Performance.- Wastewater Treatment Using Modified Natural Zeolites.- Impact of humic substances on physiological functions of living organisms and on microbial transformations of ecotoxicants.- Mitigating Activity of Humic Substances: Direct Influence on Biota.- Cytogenetic Effects of Humic Substances and Their Use for Remediation of Polluted Environments.- Influence of Metal Ions on the Activity of Soil Humic-Enzyme Complexes.- Microbial Redox Reactions Mediated by Humus and Structurally Related Quinones.- Enhanced Humification of TNT Bioremediation of Contaminated Soil and Water in Practice.- Commercial Humates from Coal and Their Influence on Soil Properties and Initial Plant Development.- Impact of Humic Substances on Plants in Polluted Environments: Implications for Phytoremediation Technologies.- Quantifying structure and properties of humic substances and example studies on design of humic materials of the desired properties.- Molecular Level Structural Analysis of Natural Organic Matter and of Humic Substances by Multinuclear and Higher Dimensional NMR Spectroscopy.