Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1989-07-24
1990-08-14
Taylor, Dennis L.
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
405258, 210615, 210620, 210631, 210901, B09B 100, C02F 1102
Patent
active
049482971
ABSTRACT:
The method essentially creates a lake, if one does not already exist, and uses this lake as a "moving" biological treating pond for contaminated soil sites. Contaminated soil from one side of the lake is dragged into the lake, the water of which is infested with contaminant-consuming micro-organisms, then is tilled at the bottom of the lake to fully expose the soil to biological treatment, and then is raked upwardly along an opposite side of the lake to form a shoreline of cleaned soil material. The earthmoving process is repeated until the lake has passed through the treated all of the contaminated soil site. The method performs all decontamination on-site and avoids the requirement for any backfilling of the side after decontamination of the site.
REFERENCES:
patent: 3859799 (1975-01-01), Jaco, Jr.
patent: 3899376 (1975-08-01), Azarowicz
patent: 3978673 (1976-09-01), Schleede
patent: 4584102 (1986-04-01), Bogart et al.
patent: 4595508 (1986-06-01), Wolfe et al.
Chemical Week Magazine Article entitled "Bacteria Pass a Houston Cleanup Test", published Nov. 11, 1987.
DeLiguori Franco S.
Poff Clifford A.
Taylor Dennis L.
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