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Method of removing polychlorinated biphenyl from oil

Patent ·
OSTI ID:6540782
; ; ; ;

Polychlorinated biphenyls are removed from oil by extracting the biphenyls into methanol. The mixture of methanol and extracted biphenyls is distilled to separate methanol therefrom, and the methanol is recycled for further use in extraction of biphenyls from oil.

DOE Contract Number:
W-7405-ENG-36
Assignee:
Dept. of Energy
Patent Number(s):
None
Application Number:
ON: DE83006868
OSTI ID:
6540782
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020800* -- Petroleum-- Waste Management
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
ALCOHOLS
AROMATICS
DISTILLATION
EXTRACTION
HYDROXY COMPOUNDS
LUBRICANTS
LUBRICATING OILS
METHANOL
OILS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
SEPARATION PROCESSES
SOLVENT EXTRACTION