EFFECT OF CARBONATE ON THE REMOVAL OF HEAVY METALS FROM KAOLINITE SOIL BY THE USE OF ELECTROKINETIC REMEDIATION METHOD

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OUHADI V.R.; SAEIDIJAM S.; SHARIATMADARI N.

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Journal: AMIRKABIR Year:2006 | Volume:16 | Issue:63-C Page(s): 19-29

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Title

EFFECT OF CARBONATE ON THE REMOVAL OF HEAVY METALS FROM KAOLINITE SOIL BY THE USE OF ELECTROKINETIC REMEDIATION METHOD

Author(s)

OUHADI V.R. | SAEIDIJAM S. | SHARIATMADARI N. | Issue Writer Certificate

Keywords

ELECTROKINETICSQ4

ELECTROOSMOSISQ4

SOIL REMEDIATIONQ4

CARBONATEQ4

KAOLINITEQ4

ZINCQ4

Abstract

The feasibility of using electrokinetic's to clean up contaminants from soils has been established and addressed by several authors. However, the effects of soil composition on the efficiency of the method not yet fully studied. Many of soils especially in semi-arid regions of the world have CARBONATEs. The most common of the CARBONATE minerals found in soils is calcite (CaCO3). CARBONATEs are the most predominant mechanism of retention of heavy metals in soil solids in comparison with exchangeable phases, organics and amorphous materials. In order to investigate the effect of calcite on the removal efficiency, electrokinetic experiments in bench scale were conducted on two soils: KAOLINITE and natural soil of a landfill in Hamedan. KAOLINITE specimens with different percentages of calcite were mixed with ZINC nitrate as a source of heavy metal contamination. Batch tests were also performed to define Zn (II) adsorption onto these samples. Series of ELECTROKINETICS experiments were performed on these artificially prepared samples. The study showed that soils which have higher CARBONATE percentages and natural soil with 28% CARBONATE prevent the development of an acid front which results in alkaline conditions throughout the soil during electrokinetic remediation and significantly lower the efficiency of method.

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APA: Copy

OUHADI, V.R., SAEIDIJAM, S., & SHARIATMADARI, N.. (2006). EFFECT OF CARBONATE ON THE REMOVAL OF HEAVY METALS FROM KAOLINITE SOIL BY THE USE OF ELECTROKINETIC REMEDIATION METHOD. AMIRKABIR, 16(63-C), 19-29. SID. https://sid.ir/paper/823/en

Vancouver: Copy

OUHADI V.R., SAEIDIJAM S., SHARIATMADARI N.. EFFECT OF CARBONATE ON THE REMOVAL OF HEAVY METALS FROM KAOLINITE SOIL BY THE USE OF ELECTROKINETIC REMEDIATION METHOD. AMIRKABIR[Internet]. 2006;16(63-C):19-29. Available from: https://sid.ir/paper/823/en

IEEE: Copy

V.R. OUHADI, S. SAEIDIJAM, and N. SHARIATMADARI, “EFFECT OF CARBONATE ON THE REMOVAL OF HEAVY METALS FROM KAOLINITE SOIL BY THE USE OF ELECTROKINETIC REMEDIATION METHOD,” AMIRKABIR, vol. 16, no. 63-C, pp. 19–29, 2006, [Online]. Available: https://sid.ir/paper/823/en

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