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Full Description
This new book explains advanced and emerging technologies for removing heavy metals from wastestreams and contaminated sites. Separation processes of this type are critical for meeting stringent regulations of priority pollutants, especially arsenic, mercury, and lead, which the text treats in depth. After explaining the chemistry of heavy metals and their transport in various media, the work offers a comprehensive analysis of strategies for separating metals from groundwater, wastewater, contaminated soils, and industrial sludges.
Both the basics and the applications of techniques such as ion-exchange, specialized sorbents, novel membranes, advanced precipitates, and electrokinetic processes are presented with a view to current use and potential for future applications such as resource reuse. Information in this volume enables engineers and other investigators to adapt and select the best means to remove and, in certain instances, recover heavy metals.
Contents
Principles of Heavy Metals Separation: An Introduction. Adsorption of Elemental Mercury by Virgin and Impregnated Activated Carbon. Trace Heavy Metal Separation by Chelating Ion Exchangers. Elimination of Heavy Metals from Wastewaters by Magnetic Technologies. Polyelectrolyte Enhanced Removal of Heavy Metals from Soils and Other Solids. Case Studies for Immobilizing Toxic Metals with Iron Coprecipitation and Adsorption Removal of Heavy Metals by Activated Carbon. Arsenic In Subsurface Water: Its Chemistry and Removal by Engineered Processes. Cr(III) Separation and Recovery from Tannery Wastes: Research, Pilot and Demonstration Scale Investigation. HUMASORB: A Coal-Derived Humic Acid Based Heavy-Metal Sorbent.
