Chemical detoxification of polychlorinated biphenyls (PCBs)
Patent
·
OSTI ID:5890041
The present invention relates to the chemical detoxification of polychlorinated biphenyls by converting them to non-hazardous substances. In particular, the invention relates to chemically destroying polychlorinated biphenyls on site for decontamination purposes without creating pollution or hazardous situations. The invention provides a two-step process where polychlorinated biphenyls (PCBs), i.e. biphenyl having 2 to 10 chlorine atoms, are first reduced to unsubstituted biphenyl, then oxidized to a biodegradable dicarboxylic acid having the formula: (CH/sub 2/)n (CO/sub 2/H)/sub 2/, where n=O to 10 possible -CH2- units for application in aqueous systems including water, mud and wet soil.
- Assignee:
- Dept. of the Navy, Washington, DC
- Patent Number(s):
- None
- OSTI ID:
- 5890041
- Country of Publication:
- United States
- Language:
- English
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· Residue Rev.; (United States)
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
510200 -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AROMATICS
CARBOXYLIC ACIDS
CHLORINATED AROMATIC HYDROCARBONS
DETOXIFICATION
FLUIDS
HALOGENATED AROMATIC HYDROCARBONS
HAZARDOUS MATERIALS
INVENTIONS
LAND POLLUTION ABATEMENT
LIQUIDS
MATERIALS
MOISTURE
ORGANIC ACIDS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
POLLUTION ABATEMENT
WATER POLLUTION ABATEMENT
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
510200 -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AROMATICS
CARBOXYLIC ACIDS
CHLORINATED AROMATIC HYDROCARBONS
DETOXIFICATION
FLUIDS
HALOGENATED AROMATIC HYDROCARBONS
HAZARDOUS MATERIALS
INVENTIONS
LAND POLLUTION ABATEMENT
LIQUIDS
MATERIALS
MOISTURE
ORGANIC ACIDS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
POLLUTION ABATEMENT
WATER POLLUTION ABATEMENT