Desorption of Copper from Soils Enchanced by Dihydroxysuccinic Acid

Xiao Jun Hu; Miao Miao He; Yu Shuang Li; Jing Feng; Qing Bian; Yan An Chen

doi:10.4028/www.scientific.net/AMR.955-959.21

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Desorption of Copper from Soils Enchanced by...

Desorption of Copper from Soils Enchanced by Dihydroxysuccinic Acid

Abstract:

The contamination of copper to the environment is more and more serious.Nowadays,the sources of copper in the soil due to natural and human activity two kinds of sources, the former is derived from the rock and soil background value, while the latter is derived from the industrial “three wastes”. We can use soil washing for extracting contaminants from the contaminated soil and it is a possible remediation method. Natural organic acids seem to be hopeful environmentally friendly for removing toxic metals from soils. Batch soil-washing experiments were conducted to investigate the behavior of copper desorption from soils by dihydroxysuccinic acid.The experimental results show that the removal of copper with dihydroxysuccinic acid was highly dependented on the initial pH and the concentration of dihydroxysuccinic acid.When the pH was rapidly rising, the removal of copper declined sharply.On the contrary, copper desorption increased adding dihydroxysuccinic acid concentration. More than 80% copper was extracted from soil by 80 mmol L^-1 dihydroxysuccinic acid.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

21-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.21

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Online since:

June 2014

Authors:

Xiao Jun Hu*, Miao Miao He, Yu Shuang Li, Jing Feng, Qing Bian, Yan An Chen

Keywords:

Contaminated Soil, Copper, Desorption, Dihydroxysuccinic Acid

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