TREATMENT AGENT AND TREATMENT METHOD FOR HEAVY METAL IN THE HEAVY METAL CONTAMINATED SOIL OR IN THE WASTE

摘要

PROBLEM TO BE SOLVED: To remove heavy metal in the heavy metal contaminated soil or in the waste by eluting it in a short time and efficiently. SOLUTION: This invention relates to a treatment agent to remove heavy metal in the heavy metal contaminated soil or that in the waste including a chelate agent and a non-ionic surface active agent. By making the heavy metal treatment agent contact with the heavy metal contaminated soil or the waste, and thereafter separating them from the soil or the waste, heavy metal can be removed.