CLEANING AGENT AND STABILIZER FOR SELENIUM-CONTAMINATED SOIL AND METHOD OF REPAIRING SELENIUM-CONTAMINATED SOIL USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a cleaning agent and a stabilizer for selenium- contaiminated soil, which is capable of efficiently cleaning selenium from the selenium-contaminated soil and a method of cleaning and repairing selenium- contaminated soil using the same and capable of remarkably reducing the environment loading to decrease the risk.;SOLUTION: The soil cleaning agent comprises a phosphoric acid aqueous solution or a sulfuric acid aqueous solution. The stabilizer for stabilizing selenium in the soil is composed of a lanthanum salt, cerium (III) salt or iron (II). The method of cleaning and repairing the selenium-contaminated soil uses the same.;COPYRIGHT: (C)2002,JPO