AGENT FOR DECONTAMINATING/CONDITIONING COMBINED-CONTAMINATED SOIL AND DECONTAMINATING AND CONDITIONING AGENT FOR COMBINED-CONTAMINATED SOIL AND STABILIZING AND DECONTAMINATING AGENT FOR COMBINED-CONTAMINATED SOIL AND DECONTAMINATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a combined-contaminated soil-decontaminating/conditioning agent, a combined-contaminated soil-decontaminating/conditioning method, a soil-conditioning and decontaminating method and combined-contaminated soil-stabilizing and decontaminating method that can penetrate/adsorb/decompose and make harmless the following substances: harmful heavy metals; Cd, hexavalent Cr, Hg, As, P, Pb, Cu, Se, B, dioxins, PCB; VOCs (dichloroethane, carbon tetrachloride, trichloroethylene, tetrachloroethylene, benzene and other 10 kinds) and oils (crude oil, gasoline, lubricant oil, heavy oil) only by mixing the agent to the combined-contaminated soil and stirring the mixture.;SOLUTION: The decontaminating agent and conditioning agent are added to the contaminated soil in the following order and the following contents: 1st, 25 to 40 % of natural zeolite; 2nd, 1 to 15 % of artificial zeolite; 3rd, 15 to 30 % of carbonized carbon; 4th, 1 to 15 % of activated carbon; 5th, 15 to 30 % of carbonized pulp sludge; 6th, 5 to 20 % of chaff activated carbon; 7th, 1 to 10 % of titanium oxide; 8th, 5 to 25 % of aluminum sulfate; 9th, 1 to 10 % of sodium carbonate; 10th, 15 to 30 % of bentonite; and 11th, 5 to 15 % of calcium hydroxide.;COPYRIGHT: (C)2005,JPO&NCIPI