Effects on Immobilization of Arsenic in Mining Area Soil by Iron-containing Materials and Rare-earth Materials
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WEN Wu1,ZENG Min1,LUO Yue-ping2,BI Jun-ping2,ZHOU Hang3,LIAO Bo-han3(1.College of Forestry,Central South University of Forestry and Technology,Changsha,Hu'nan 410004,2.Environmental Monitoring Center of Hunan Province,Hu,nan 410004,3.Biotechnology Core Facilities,Hu'nan 410004)

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    Abstract:

    An incubation experiment was conducted to study immobilization of arsenic in mining area soil by two kinds of material,namely,iron-containing materials(Fe2O3,Fe2(SO4)3) and rare-earth materials(CeCl3,LaCl3).The results showed that Fe2O3 had little effect on immobilization of soil arsenic,attaining only 3.81% decrease in exchangeable arsenic at an application of 8 g/kg(Fe).On the contrary,the other three materials proved to be effective in immobilizing arsenic.Fe2(SO4)3 was the most effective as well as LaCl...

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  • Online: October 25,2012
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