Bioremediation of hydrocarbon contaminated soil

Details Bioremediation of hydrocarbon contaminated soil Bioremediation of hydrocarbon contaminated soil

1994-02-02

1995-07-25

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Process of utilizing an enzyme or micro-organism to destroy...

Cleaning using a micro-organism or enzyme

435262, 435281, 4352625, C10G 3200, C02F 300, C02F 334

Patent

active

054361605

ABSTRACT:
The bioremediation of hydrocarbon contaminated soil is enhanced by applying to the soil a hydrocarbon solution of a surfactant selected from the group consisting of: (a) mixture of a sorbitan ester of a C.sub.7 to C.sub.22 monocarboxylic acid and a polyoxyalkylene adduct of a sorbitan monoester of a C.sub.7 to C.sub.22 monocarboxylic acid, the adduct having from 6 to 50 polyoxyalkylene units, (b) an alkyl glycoside wherein the alkyl group has from about 8 to about 18 carbon atoms and the glycoside is a mono or diglycoside and (c) a mixture of (a) and (b) and (c) and thereafter applying microbial nutrients to the soil in amounts sufficient to promote the growth of indigenous microorganisms.

REFERENCES:
patent: 3616204 (1971-10-01), Linn
patent: 4146470 (1979-03-01), Mohfin et al.
patent: 5128262 (1992-07-01), Lindoerfer et al.

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