Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Destruction of hazardous or toxic waste
Patent
1991-08-12
1993-11-02
Warden, Robert J.
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Destruction of hazardous or toxic waste
435299, 435311, 435313, 435315, C12M 100
Patent
active
052583031
ABSTRACT:
An apparatus and method to clean chlorinated hydrocarbon contaminated soils with a bioremediation system is provided. Treatment beds about one-half acre in size are provided with a gravel base on an impervious film layer. A woven polyethylene membrane is laid on the gravel base with a sand layer in between the membrane and the soil layer to be treated. An aqueous treating liquid containing selective microorganisms is sprinkled on the top surface of the soil layer. Exit gases from the bioreactor are released at zero pressure through perforated pipes laid in the base aggregate layer.
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Lennox Thomas A.
Thornton Krisanne M.
Warden Robert J.
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