Method for the rehabilitation of polluted soils and installation

Details Method for the rehabilitation of polluted soils and installation Method for the rehabilitation of polluted soils and installation

1994-09-28

1996-08-13

Bagwell, David J.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

134 251, 210208, 588251, B09B 300

Patent

active

055449751

ABSTRACT:
In a method for the rehabilitation of polluted soils by means of a third substance, the polluted soils, excavated and processed beforehand, are introduced into a contacting cell in the lower part of which the injection of the third substance, towards the lateral walls of said cell, forms a polluted solution subsequently collected in the upper part while the soils continuously separated from the polluted solution are recovered at the lower part of said cell before being rinsed and dried.

REFERENCES:
patent: 1837191 (1931-12-01), Baldwin
patent: 4715965 (1987-12-01), Sigerson et al.
patent: 4969775 (1990-11-01), Cappel et al.
patent: 5053082 (1991-10-01), Flanigan et al.
patent: 5056541 (1991-10-01), Schade et al.
patent: 5234504 (1993-08-01), Peterson et al.
patent: 5244308 (1993-09-01), Mims
patent: 5310285 (1994-05-01), Northcott
patent: 5372650 (1994-12-01), Laaoda et al.
patent: 5405579 (1995-04-01), Melzer et al.

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