alexa Removal of heavy metal ions from wastewaters: a review.
Chemical Engineering

Chemical Engineering

Journal of Advanced Chemical Engineering

Author(s): Fu F, Wang Q

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Abstract Heavy metal pollution has become one of the most serious environmental problems today. The treatment of heavy metals is of special concern due to their recalcitrance and persistence in the environment. In recent years, various methods for heavy metal removal from wastewater have been extensively studied. This paper reviews the current methods that have been used to treat heavy metal wastewater and evaluates these techniques. These technologies include chemical precipitation, ion-exchange, adsorption, membrane filtration, coagulation-flocculation, flotation and electrochemical methods. About 185 published studies (1988-2010) are reviewed in this paper. It is evident from the literature survey articles that ion-exchange, adsorption and membrane filtration are the most frequently studied for the treatment of heavy metal wastewater. Copyright © 2010 Elsevier Ltd. All rights reserved. This article was published in J Environ Manage and referenced in Journal of Advanced Chemical Engineering

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