Process for in situ biodegradation of hydrocarbon contaminated s

Details Process for in situ biodegradation of hydrocarbon contaminated s Process for in situ biodegradation of hydrocarbon contaminated s

1987-09-25

1988-08-23

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210611, 210747, 210901, 405128, 405129, 166246, 435264, C02F 334, D06M 1600

Patent

active

047659025

ABSTRACT:
The present invention is a process for in situ biodegradation of spilled hydrocarbons. The process involves drawing oxygen into a hydrocarbon contaminated zone. A borehole is drilled into the contaminated zone and gas is evacuated at high rates out of the borehole to thereby draw oxygen into the contaminated zone. Surprisingly, the carbon dioxide concentration in the evacuated gas remains high even at the high flow rates.

REFERENCES:
patent: 3846290 (1976-11-01), Raymond
patent: 4288174 (1981-09-01), Laws
patent: 4401569 (1983-08-01), Jhaveri et al.
patent: 4469176 (1984-09-01), Zison et al.
patent: 4670148 (1987-06-01), Schneider
patent: 4713343 (1987-12-01), Wilson, Jr. et al.

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