Treating used hydrocarbon lubricating oils

Details Treating used hydrocarbon lubricating oils Treating used hydrocarbon lubricating oils

1979-08-29

1981-02-10

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Purifying used oil

208179, 208251R, C10M 1100

Patent

active

042500214

ABSTRACT:
Process for removing metal(s) and water from used hydrocarbon lubricating oil characterized in that the said used oil is treated with an aqueous solution containing a surfactant and anions which form an insoluble salt or insoluble salts with at least one metal present in the said used oil followed by separation of an oil layer of reduced metal and water content.
The oil so treated is suitable for refinery feedstock, and also as fuel oil or as blendstock for other hydrocarbon products, or as rerefining feedstock.

REFERENCES:
patent: 3282827 (1966-11-01), Grysiak, Jr.
patent: 3682990 (1972-09-01), Schoen et al.
patent: 3879282 (1975-04-01), Johnson
patent: 3930988 (1976-01-01), Johnson
patent: 3985642 (1976-10-01), Friel et al.
patent: 4105542 (1978-08-01), Fainman

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