By Daniel C. W. Tsang, editor, Irene M. C. Lo, Rao Y. Surampalli
Chelating brokers for Land Decontamination applied sciences examines the appliance of chelating brokers for the remedy of soil infected with metals. infected land remediation is a frequent and expensive challenge, and the conventional excavation-and-disposal therapy strategy isn't a sustainable answer. Chelating brokers (organic compounds which may bind steel ions) are an enticing new expertise for land decontamination, simply because chelating brokers improve steel extraction from infected soil or sediment and facilitate steel mobility in subsurface soils. Chapters during this e-book hide the method basics in addition to engineering functions and up to date advances for using chelating brokers in soil washing, soil flushing, phytoremediation, and electrokinetic remediation. They deal with the appliance of chelating brokers for either ex situ and in situ soil remediation applied sciences. The wide use of illustrations and precis tables is mixed with up to date references. This compilation of engineering functions and study findings for various chelating agent more desirable remediation applied sciences might be invaluable to environmental engineers, scientists, and selection makers relating to infected land remediation
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Immobilization may occur due to physical encapsulation of contaminants within the solidified structure (resulting from a reduction in specific surface area and porosity), reduction in contaminant solubility (caused by changes in pH and alkalinity of the system) and/or chemical bonding/incorporation by the hydration phases formed upon treatment. The result of the treatment is the reduction in contaminant leachability from treated sediment to below the standards required for final disposal. , 2008): 1) contaminants are not removed from the contaminated material; 2) the treatment involves considerable volume increase; 3) assessing the process effectiveness requires constant monitoring of the treated site; 4) the long-term performance of the treated material is difficult to predict.