Process for the reclamation of waste hydrocarbon oils

Details Process for the reclamation of waste hydrocarbon oils Process for the reclamation of waste hydrocarbon oils

1977-09-01

1978-11-07

Levine, Herbert

Mineral oils: processes and products

Refining

Purifying used oil

208182, C10G 3700, C10M 1100

Patent

active

041244923

ABSTRACT:
Disclosed is a process for rejuvenating and reclaiming useful hydrocarbon oils from contaminated waste oils. The process comprises dehydrating the waste oil and thereafter dissolving the dehydrated oil in a selected amount of isopropanol or N-propanol at a temperature of from 45.degree. C. to 80.degree. C. The undissolved waste matter is separated and the residual oil/solvent fraction is distilled to recover the decontaminated oil and the solvent. The recovered oil can be further clarified by treatment with a bleaching clay or activated carbon at elevated temperatures. The process is more efficient and economic than those known heretofore resulting in high yields of reclaimed oil and more environmentally acceptable waste products.

REFERENCES:
patent: 1766768 (1930-06-01), Werkenthin
patent: 3639229 (1972-02-01), Brownawell et al.
patent: 3819508 (1974-06-01), Fainman et al.
patent: 4073719 (1978-02-01), Whisman et al.
patent: 4073720 (1978-02-01), Whisman et al.

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