Enzyme compositions and methods for biodegradation separation of

Details Enzyme compositions and methods for biodegradation separation of Enzyme compositions and methods for biodegradation separation of

1995-05-19

1997-08-12

Pratt, Helen

Chemistry: molecular biology and microbiology

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

Petroleum oil or shale oil treating

435262, 4352625, 435263, 435264, 435267, 510320, 8401, C07G 1700

Patent

active

056564902

ABSTRACT:
A method is presented for releasing petroleum and hydrocarbon products sorbed onto or entrained by organic natural fibers in an aqueous medium through the use of enzymes to degrade the organic natural fiber sorbents utilized for oil spill cleanup, the method provides an opportunity for achieving responsible separation of oil from oil spill sorbent materials. Natural organic fibers which have been utilized to adsorb petroleum and hydrocarbon products are separated from these petroleum and hydrocarbon products by reducing the natural organic fiber links to the point that the adsorbed or entrained oil no longer has sufficient binding surface or fiber link to remain held by the fibers, thus floats to the surface of the aqueous medium. Aqueous medium enzyme compositions are provided which are suitable for degrading organic natural fibers inclusive of cellulose-based and protein-based fibers resulting in release of adsorbed, absorbed and/or entrained petroleum products.

REFERENCES:
patent: 3843517 (1974-10-01), McKinney et al.
patent: 5120463 (1992-06-01), Bjork et al.

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