Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Destruction of hazardous or toxic waste
Patent
1994-05-24
1995-06-27
Lilling, Herbert J.
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Destruction of hazardous or toxic waste
435 42, 4352524, 435262, 435824, 435863, C12P 3900, C02F 334
Patent
active
054279445
ABSTRACT:
A mixed bacteria culture for biodegrading polycyclic aromatic hydrocarbon contaminants includes Achromobacter sp. and Mycobacterium sp. which have been grown together and gradually acclimated to utilize polycyclic aromatic hydrocarbons as a primary food source. The mixed bacteria culture can be utilized for in situ or ex situ bioremediation of contaminated soil, or in any of various conventional bioreactors to treat contaminated liquids such as landfill leachates, groundwater or industrial effluents. The bacteria, the nutrients used to sustain growth of the bacteria, and the products of the biodegradation of the polycyclic aromatic or other hydrocarbons are all substantially harmless to the environment. The mixed bacteria can be utilized in the presence of oxygen, or hydrogen peroxide can be used alone or in combination with oxygen as an effective alternative electron acceptor. The mixed bacteria culture of Achromobacter sp. and Mycobacterium sp. provides an environmentally safe and affordable means for rapidly and effectively eliminating a variety of polycyclic aromatic hydrocarbon contaminants from the environment.
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Cutright Teresa J.
Lee Sunggyu
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