METHOD FOR CLEANING CONTAMINATED SOIL

摘要

PROBLEM TO BE SOLVED: To provide a method for cleaning contaminated soil which improves the habitation environment of microorganisms without turning up soil more frequently than required and accelerates cleaning of contaminated soil. SOLUTION: The method for cleaning contaminated soil A polluted by contaminants includes: a process 2 of classifying the contaminated soil A into coarse grain parts B and fine particle parts C; a process 4 of preparing prepared soil D by mixing after changing the ratio of the coarse grain parts B and the fine particle parts C from that of the contaminated soil A before classifying; and a process 5 of treating the prepared soil D to be suitable for microorganisms by adding a nutrient salt to prepared soil D. COPYRIGHT: (C)2011,JPO&INPIT