Rapid degradation of halogenated hydrocarbons by methanotrophic

Details Rapid degradation of halogenated hydrocarbons by methanotrophic Rapid degradation of halogenated hydrocarbons by methanotrophic

1991-12-20

1993-03-23

Rosen, Sam

Chemistry: molecular biology and microbiology

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

Destruction of hazardous or toxic waste

435264, C02F 300

Patent

active

051963396

ABSTRACT:
A method is disclosed for degradation of a halogenated hydrocarbon compound such as trichloroethylene (TCE) which utilizes a soluble methane monooxygenase or a bacterium comprising the monooxygenase. Methylosinus trichosporium OB3b is a soluble methane monooxygenase-producing bacterium which when cultivated by continuous culturing comprising exposing the bacterium to a continuous-flow gas mixture of air and methane in a ratio of about 25:1-1:20, respectively. Methylosinus trichosporium OB3b is capable of degrading TCE at rates from about 500-10,000 micromoles per hour per gram cells. The present method is useful to degrade halogenated hydrocarbon compounds such as TCE at initial concentrations up to 10,000 micromoles/l.

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