METHOD AND APPARATUS FOR CLEANING CONTAMINATED SOIL

PROBLEM TO BE SOLVED: To provide a method for economical and simple cleaning of contaminated soil. SOLUTION: When the contaminated soil containing a volatile organic chlorine compound is cleaned on the site, while hot air is discharged from an agitating and mixing head 3 penetrated into the ground, the contaminated soil and the hot air are agitated and mixed. The hot air is obtained by a hot air generating apparatus such as an electrically heating fan 14. The volatile organic chlorine compound included in the contaminated soil is gasified and caught by a protective cover 15. The gasified volatile organic chlorine compound is sucked outside and recovered, and is burnt and decomposed, for example, in an incinerator 17. COPYRIGHT: (C)2004,JPO&NCIPI