Nutrient additives for bioremediation of hydrocarbon contaminate

Details Nutrient additives for bioremediation of hydrocarbon contaminate Nutrient additives for bioremediation of hydrocarbon contaminate

1995-02-27

1997-04-29

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, 4352625, 435281, C10G 3200, C02F 300, C02F 336

Patent

active

056248431

ABSTRACT:
The biodegradation of hydrocarbon contaminated water is enhanced by the adding to the contaminated water a hydrocarbon solution of (a) a mixture of a sorbitan ester of a C.sub.7 to C.sub.22 monocarboxylic acid and a polyoxyalkelene adduct of a sorbitan ester of a C.sub.7 to C.sub.22 monocarboxylic acid, the adduct having from 4 to 50 polyoxyalkelene units, (b) an alkyl glycoside wherein the alkyl group has from about 8 to 18 carbon atoms and the gylcoside is a mono or diglycoside, or a mixture thereof, in amounts sufficient to promote the growth of indigenous microorganisms.
In another embodiment of the invention a source of microbial assimilable nitrogen and phosphorous also is supplied to the contaminated water.

REFERENCES:
patent: 3616204 (1971-10-01), Linn
patent: 4146470 (1979-03-01), Mohan et al.
patent: 5017289 (1991-05-01), Guy et al.
patent: 5104525 (1992-04-01), Roderick
patent: 5128262 (1992-07-01), Lindoerfer et al.
patent: 5300227 (1994-04-01), Varadaraj et al.

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