Apparatus for bioremediation of sites contaminated with hazardou

Details Apparatus for bioremediation of sites contaminated with hazardou Apparatus for bioremediation of sites contaminated with hazardou

1989-06-08

1992-01-14

Wyse, Thomas

Liquid purification or separation

With gas-liquid surface contact means

With separator

210170, 210194, 210258, C02F 304

Patent

active

050807820

ABSTRACT:
Disclosed is an apparatus and method for the continuuous bioremediation of sites contaminated with a hazardous substances. The apparatus includes a subsurface pumping system, for removing the hazardous substance contained in a phase separate from groundwater, which is integrated with a means for microbiologically treating the contaminated site. The means for microbiologically treating the contaminated site preferably includes hazardous substance degrading microorganisms.
In operation, a subsurface pumping system separates, either above or below-ground, a free-product phase from the contaminated groundwater. The separated free-product is stored for off-site disposal. Contaminated groundwater is fed into the microbiological treatment system for further treatment and eventual recirculation into the contaminated site.

REFERENCES:
patent: 3616204 (1971-10-01), Linn
patent: 3846290 (1974-11-01), Raymond
patent: 4385121 (1983-05-01), Knowlton
patent: 4401569 (1983-08-01), Jhaveri et al.
patent: 4545909 (1985-10-01), Atkinson et al.
patent: 4683064 (1987-07-01), Hallberg et al.
patent: 4765902 (1988-08-01), Ely et al.
patent: 4925552 (1990-05-01), Bateson et al.

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