Method and apparatus for removing volatile organic compounds fro

Details Method and apparatus for removing volatile organic compounds fro Method and apparatus for removing volatile organic compounds fro

1991-03-26

1992-04-14

Favors, Edward G.

Drying and gas or vapor contact with solids

Apparatus

Vacuum

34 15, 110236, 110346, 432205, F26B 1330

Patent

active

051035782

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.degree. F., but less than 600.degree. 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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