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http://dx.doi.org/10.12652/Ksce.2012.32.1B.085

Research on Remediation of Trichloroethylene using Zero Valent Iron Bipolar Packed Bed Electrodes  

Park, Yu-Ri (한양대학교 건설환경공학과)
Shin, Ja-Won (한양대학교 건설환경공학과)
Park, Joo-Yang (한양대학교 건설환경공학과)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.32, no.1B, 2012 , pp. 85-91 More about this Journal
Abstract
Permeable Reactive Barriers (PRBs) using zero valent iron (ZVI, $Fe^0$) is a promising technology for in-situ remediation of trichloroethylene (TCE) forming dense non aqueous phase liquid (DNAPL). The objective of this study is to develop an enhanced treatment method of trichloroethylene-contaminated groundwater using ZVI packed bed with direct current (D.C.). A column experiment was performed to investigate degradation efficiency of TCE that was performed in three different combination of control (only sand), ZVI column (ZVI:sand, packing ratio 1:2(v/v)) and bipolar column (ZVI:sand=1:2(v/v) with electric current) in the test columns. As the results of this study, the degradation efficiency of TCE was improved with simultaneous application of both bipolar column compared to that used ZVI column. Because ZVI particles are isolated and individual particles act like small electrodes. In this experiment, it was indicated a basic material for application of bipolar packed bed as electro-PRBs that was effective degradation of TCE.
Keywords
trichloroethylene; PRBs; ZVI; electrochemistry; bipolar electrodes;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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