发明名称 |
WASHING AGENT FOR ARSENIC CONTAMINATED SOIL, STABILIZER FOR THE SAME AND REPAIRING METHOD FOR THE SAME BY USING THESE |
摘要 |
PROBLEM TO BE SOLVED: To provide both a washing agent and a stabilizer for arsenic contaminated soil, by which arsenic can be efficiently washed from the arsenic contaminated soil and a method for washing and repairing the same, in which the washing agent and the stabilizer are used and environmental load is remarkably reduced and its risk is relieved. SOLUTION: The washing agent for arsenic contaminated soil comprises aqueous phosphoric acid, aqueous sulfuric acid or aqueous hydrochloric acid. The stabilizer for arsenic contained in soil comprises a lanthanum salt, a cerium (III) salt or an iron (III) salt. Such methods for washing and repairing arsenic contaminated soil are provided that these are used.
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申请公布号 |
JP2002018421(A) |
申请公布日期 |
2002.01.22 |
申请号 |
JP20000208465 |
申请日期 |
2000.07.10 |
申请人 |
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL & TECHNOLOGY |
发明人 |
TOKUNAGA SHUZO |
分类号 |
B09C1/02;A62D3/33;A62D101/43;B09B3/00;B09C1/08;(IPC1-7):B09C1/02 |
主分类号 |
B09C1/02 |
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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