Journal
CHEMOSPHERE
Volume 56, Issue 2, Pages 91-106Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2004.03.006
Keywords
adsorption; contamination; environment; ion-exchange; heavy metals
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By ion exchange undesirable ions are replaced by others which don't contribute to contamination of the environment. The method is technologically simple and enables efficient removal of even traces of impurities from solutions. Examples of selective removal of heavy metal ions by ion-exchange are presented. They include removal of Ph(II), Hg(II), Cd(II), Ni(II), V(IV,V), Cr(III,VI), Cu(II) and Zn(II) from water and industrial wastewaters by means various modern types of ion exchangers. (C) 2004 Elsevier Ltd. All rights reserved.
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