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http://dx.doi.org/10.5322/JES.2004.13.1.061

Effect of Heavy Metal Species on the Removal of Cu, Pb, and Cd Contaminated Soils Using Electrokinetic Process  

Sin, Hyeon Mu (경성대학교 건설환경공학부)
Yun, Sam Seok (부산광역시 남구청)
Publication Information
Journal of Environmental Science International / v.13, no.1, 2004 , pp. 61-68 More about this Journal
Abstract
Three kinds of toxic heavy metals, such as lead, copper, and cadmium, existing abundantly in contaminated soils were selected to investigate pH change, electroosmotic flow, and the removal rate in the application of electrokinetic process. In the change of pHs, they reached to about 12 and 2 at each cathodic and anodic region, respectively, and maintained for reaction being proceeded. Electroosmotic flow rates were not influenced by the kind of metal species but by electropotential gradient. On the soils contaminated by each metal, the removal rate of Cd was the fastest among three as in the order of Cd>Pb>Cu. While on the soils contaminated by mixed metal species, Cu was the fastest. Metal species transported by electrokinetic processes were distributed in between 0.9 and 1.0 of normalized region. In the case of soils contaminated by one kind of metal. the relative concentrations of Pb and Cd estimated in between normalized region 0.9 and 1.0 were 5.2 and 5.7, respectively.
Keywords
Electrokinetic remediation; Heavy metal; Electroosmosis; Contaminated soil;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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