Evaluating the Effect of the Approaching Electrode On the Migration for Metal Ions through the Electro-Kinetic Technique for Contaminated Soil
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Department of Environmental Engineering, Collage of Engineering, University of Babylon, Iraq
Corresponding author
Zeina Thamer Jawad
Department of Environmental Engineering, Collage of Engineering University of Babylon, Iraq
Department of Environmental Engineering, Collage of Engineering University of Babylon, Iraq
J. Ecol. Eng. 2023; 24(2):72-80
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ABSTRACT
In this study, three experiments using the fixed anode technique and approached anode technique were carried out. The first experiment (EK-1) used distilled water as leaching solution (purging solution) at the anode and cathode chamber under voltage gradient was equal to 1.5 V/cm. In the second and third experiments, a solution enhanced with 1M acetic acid (AA) was used as catholic solution. The results indicate that residual concentration of Zn+2 decreases, beginning with an initial value of 850 mg/kg in all portions of soil sample EK-1, EK-2, in addition to EK-3. It seems that the residual concentration of EK-3 (approached anode technique) was lower than that of EK-1 and EK-2 in identical portions.
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