Method for in situ contaminant extraction from soil

Details Method for in situ contaminant extraction from soil Method for in situ contaminant extraction from soil

1996-11-15

1998-08-04

Suchfield, George A.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

1662721, 405131, B09C 106

Patent

active

057884129

ABSTRACT:
The present invention involves heating of sub-surface soil by use of conduction heating intermediate the injection and extraction wells of a vacuum extraction system. This conduction heating is accomplished by implanting heat exchange units, such as a circulating hot oil system, into the soil between the injection and extraction wells.

REFERENCES:
patent: 5076727 (1991-12-01), Johnson et al.
patent: 5098538 (1992-03-01), Kim et al.
patent: 5114497 (1992-05-01), Johnson et al.
patent: 5169263 (1992-12-01), Johnson et al.
patent: 5271693 (1993-12-01), Johnson et al.
patent: 5360067 (1994-11-01), Meo, III
patent: 5564861 (1996-10-01), Khudenko
patent: 5660500 (1997-08-01), Marsden, Jr. et al.

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