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Treatment manner of the arsenic contamination soil which
Treatment manner of the arsenic contamination soil which
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机译:砷污染土壤的处理方式
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摘要
Disclosed herein is a method for treatment of arsenic-contaminated soil, said method being capable of insolubilizing arsenic compounds (in organic form or tri- or pentavalent inorganic form), thereby reducing their leaching level below the environmental standard value for soil. The method consists of heating arsenic-contaminated soil at 200 to 700°C and mixing the heated soil with a calcium compound and water. The method also consists of mixing arsenic-contaminated soil with a calcium compound, heating the mixed soil at 200 to 700°C, and mixing the heated soil with water.
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