Method and apparatus for removing votatile compounds from soils

Details Method and apparatus for removing votatile compounds from soils Method and apparatus for removing votatile compounds from soils

B - Operations, Transporting

08

B

B08B 7/00 (2006.01) B09C 1/06 (2006.01) C02F 11/00 (2006.01) C02F 11/10 (2006.01) F26B 5/04 (2006.01) F26B 21/14 (2006.01) F26B 25/00 (2006.01)

Patent

CA 2060814

ABSTRACT Volatile compounds such as polychlorinated biphenyls (PCB's) which contaminate a soil can be removed - without incineration - by a process which generally involves: (1) introducing the contaminated soil into a vessel, (2) heating the soil to a temperature greater than about 300°F, but less than 600°F, preferably in the presence of an inert gas, (3) drawing a vacuum on the vessel to such a degree as to cause the contaminant to flash to a contaminant vapor and (4) condensing the contaminate vapor to a liquid and (5) disposing of said liquid.

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