Methods for biodegradation separation of natural fibers to relea

Details Methods for biodegradation separation of natural fibers to relea Methods for biodegradation separation of natural fibers to relea

1994-10-11

1997-01-28

Paden, Carolyn

Chemistry: molecular biology and microbiology

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

Destruction of hazardous or toxic waste

435264, 435821, 210682, 210691, 588 1, 588 20, B09B 300, C12S 1100

Patent

active

055977286

ABSTRACT:
A method is presented for releasing petroleum and hydrocarbon products sorbed onto or entrained by natural fibers in an aqueous medium through the use of enzymes to degrade the 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 fibers which have been utilized to adsorb petroleum and hydrocarbon products are separated from these petroleum and hydrocarbon products by reducing the natural 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 float to the surface of the aqueous medium. Aqueous medium enzyme compositions are provided which are suitable for degrading natural fibers inclusive of cellulose-based and protein-based fibers resulting in release of adsorbed, absorbed and/or entrained radioactive contaminants.

REFERENCES:
patent: 3748123 (1973-07-01), Bakker
patent: 4293438 (1981-10-01), Ledebrink et al.
patent: 5427247 (1995-06-01), Dugan et al.

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