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Electrokinetic extraction of Cr(VI) from contaminated kaolin numerical and experimental studies

Authors : Rupa Chakraborty*, Ambarish Ghosh, Asok Adak and Adamya Chatterjee


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Abstract

This paper presents the solution technique which has been developed by applying finite difference method in order to solve one dimensional advection diffusion equation model of contaminant transport under chemical and electrical gradient. The factors such as adsorption and soil pH affecting the phenomena of contaminant transport have been included in the solution technique. For verification of the results of the numerical solution, laboratory electrokinetic tests were conducted and experimental results obtained were compared with numerical solution. The experimental and the numerical solution results showed good concurrence.

Keyword

Electrokinetic extraction, Cr(VI), numerical solution, finite difference method