Methods for isolating a water table and for soil remediation

Details Methods for isolating a water table and for soil remediation Methods for isolating a water table and for soil remediation

1993-12-14

1995-07-25

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405258, B09B 500, E02D 300

Patent

active

054356660

ABSTRACT:
Methods of soil containment and soil remediation are disclosed. The methods contemplate selecting a surface area associated with a subterraneal volume wherein the subterraneal volume includes ground water beneath the surface area. Barrier means are arranged around at least part of the perimeter of the subterraneal volume for isolating the surface area and the associated subterraneal volume from adjacent subterraneal volumes. The ground water table is then lowered to a desired depth so that a contaminated vadose zone is exposed. The ground water is maintained at such lowered depth by means of gas pressure. Optionally, the exposed vadose zone may be remediated.

REFERENCES:
patent: 4765902 (1988-08-01), Ely et al.
patent: 4877358 (1989-10-01), Ressi Di Cervia
patent: 5249888 (1993-10-01), Braithwaite et al.
patent: 5271693 (1993-12-01), Johnson et al.
patent: 5277518 (1994-01-01), Billings et al.

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