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Removal of Heavy Metal from Aqueous Solutions Using Chinese Loess Soil
Abstract Loess soil, a relatively abundant and inexpensive material in China, is being investigated as an adsorbent to remove heavy metals from aqueous solutions. Pb(II), Cu(II) and Zn(II) can be removed very efficiently with loess soil, and the adsorption capacity of loess soil towards those three heavy metal ions follows the order: Pb(II) (270.3 mg g-1)> Zn(II) (215.9 mg g-1)> Cu(II) (108.9 mg g-1). Factors relevant to adsorption process such as reaction time, pH and loess dosage were discussed in this paper. The clay minerals and organic matter were found to play important roles in adsorption process and the adsorption mechanism included ion exchange, surface complex and surface precipitation.
Removal of Heavy Metal from Aqueous Solutions Using Chinese Loess Soil
Abstract Loess soil, a relatively abundant and inexpensive material in China, is being investigated as an adsorbent to remove heavy metals from aqueous solutions. Pb(II), Cu(II) and Zn(II) can be removed very efficiently with loess soil, and the adsorption capacity of loess soil towards those three heavy metal ions follows the order: Pb(II) (270.3 mg g-1)> Zn(II) (215.9 mg g-1)> Cu(II) (108.9 mg g-1). Factors relevant to adsorption process such as reaction time, pH and loess dosage were discussed in this paper. The clay minerals and organic matter were found to play important roles in adsorption process and the adsorption mechanism included ion exchange, surface complex and surface precipitation.
Removal of Heavy Metal from Aqueous Solutions Using Chinese Loess Soil
Tang, Xiao-Wu (author) / Wang, Yan (author) / Li, Zhen-Ze (author)
Advances in Environmental Geotechnics ; 314-319
2010-01-01
6 pages
Article/Chapter (Book)
Electronic Resource
English
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