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TCE TRANSPORT AND DEGRADATION IN SOIL USING ELECTROOSMOSIS
Citation:
AlAbed*, S R. AND J. L. Chen**. TCE TRANSPORT AND DEGRADATION IN SOIL USING ELECTROOSMOSIS. Presented at ACS Spring Annual Meeting, San Francisco, CA, 3/1/00.
Description:
Laboratory experiments were used to characterize the transport and chemical transformation of TCE in undisturbed soil cores. Electroosmotic fluid flow was vertically downwards from anode to cathode. A voltage of 1.4 V/cm was applied to the soil for 4 weeks. More than 95% of the TCE was mobilized in the soil over a period of 672 hrs. The TCE concentration profile was a gaussian distribution and indicates that the bulk of the TCE has moved toward the cathode. Observed degradation product of TCE is dichloroethylene (DCE). Most significant reductive dechlorination of TCE occurred near the cathode, a source of electrons during electroosmosis (EO).