| 摘要 |
PROBLEM TO BE SOLVED: To clean soil consisting of viscous soil polluted with heavy metals with a high efficiency and at a low cost so as to satisfy a predetermined standard such as an environmental standard based upon, for example, the soil pollution control law. SOLUTION: In this soil cleaning method, the soil consisting of the viscous soil polluted with the heavy metals is excavated, and the excavated soil is washed to be cleaned. An aqueous solution in which an inorganic salt is dissolved is used as an aqueous solution for cleaning the soil. COPYRIGHT: (C)2005,JPO&NCIPI
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