发明名称 |
Method for treatment of arsenic-contaminated soil |
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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申请公布号 |
US7399268(B2) |
申请公布日期 |
2008.07.15 |
申请号 |
US20050291822 |
申请日期 |
2005.12.02 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
IDA TORU;MURAKAMI HIROSHI;INADA YUTAKA |
分类号 |
B09C1/06;A62D3/33;A62D3/38;A62D101/24;A62D101/43;B09B3/00;B09C1/02;B09C1/08 |
主分类号 |
B09C1/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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