Process for regenerating used lubricating oils

Details Process for regenerating used lubricating oils Process for regenerating used lubricating oils

1975-02-28

1976-11-09

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Purifying used oil

C10M 1100

Patent

active

039909638

ABSTRACT:
Used lubricating oils are first heated to 200.degree.-500.degree. C, optionally with added steam, and then filtered through a membrane such as an ultra-filtration membrane. The latter has preferably a cut range of from 5,000 to 300,000.

REFERENCES:
patent: 1698257 (1929-01-01), Cherry

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