Remediation of Cadmium Contamination in Soil by Washing

Yu Shuang Li; Xiao Jun Hu; Xue Ying Song

doi:10.4028/www.scientific.net/AMM.295-298.26

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 295-298Remediation of Cadmium Contamination in Soil by...

Remediation of Cadmium Contamination in Soil by Washing

Abstract:

Soil washing is a possible remediation technique for contaminant extracting from the soil. Thiacalix[4]arenetetrasulfonate has become an alternative to metal extractants due to its high selectivity and high stability. Batch soil-washing experiments were conducted to investigate the effect of pH on extraction efficiency of Cd from soil by the thiacalix[4]arenete-trasulfonate solution. Results showed that more than 82 percent of cadmium was extracted by the thiacalix[4]arenetetra- sulfonate solution from the artificially contaminated soil with the concentration of 562 mg/kg cadmium at the initial pH value of 11. Thiacalix[4]arenetetrasulfonate could be an attractive alternative in washing remediation of soil contaminated by Cd.

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Periodical:

Applied Mechanics and Materials (Volumes 295-298)

Pages:

26-29

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.295-298.26

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Online since:

February 2013

Authors:

Yu Shuang Li*, Xiao Jun Hu, Xue Ying Song

Keywords:

Cadmium (Cd), Oxidation-Reduction Potential, pH, Soil Washing, Thiacalix[4]arenetetrasulfonate

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