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Electrokinetic Removal and Removal Characteristics of Heavy Metals from Metal-Mining Deposit
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 Title & Authors
Electrokinetic Removal and Removal Characteristics of Heavy Metals from Metal-Mining Deposit
Lee, Chang-Eun; Shin, Hyun-Moo;
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Electrokinetic remediation technique offers the opportunity to extract heavy metals from soils with high plasticity. The experiment demonstrated the applicability of electrokinetic remediation on metal-mining deposit and the decision of the enhancement method for four kinds of bench-scale studies. According to the sequential extraction of heavy metals in the "I" mining deposit, Pb and Cu were mostly associated with residual fraction and Zn and Cd were associated with water soluble and residual fraction. Therefore, removable fractions by electrokinetic technology was determined by the sum of the fraction of water soluble and exchangeable, which is Cu : 19.53%, Pb : 1.42%, Cd : 52.82%, Zn : 57.28%, respectively. When considering electrical potential, volume of effluent, soil pH, and eliminated rate of contaminant, results determined by sum of each weight were Citric aic+SDS (13) > 0.1N (10) > HAc (8) > DDW (4). Therefore, citric acid and SDS mixed solution was determined the best enhancing agent for the remediation of metal mining deposit.g deposit.
Electrokinetics;Metal-mining deposit;Sequential extraction;
 Cited by
Cu, Pb, 및 Cd로 오염된 토양의 동전기적 방법에 의한 제거에 있어 중금속 종이 미치는 영향,신현무;윤삼석;

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