Reclaiming used lubricating oil

Details Reclaiming used lubricating oil Reclaiming used lubricating oil

1984-03-30

1985-03-05

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Purifying used oil

208181, 208182, 208251R, C10M 1100

Patent

active

045029482

ABSTRACT:
A method for purifying used oil without the use of hydrogen comprising contacting a demetallized used oil with an acid such as sulfuric acid and an adsorbent such as clay.

REFERENCES:
patent: 2446489 (1948-08-01), Schaafsma
patent: 3930988 (1976-01-01), Johnson
patent: 4029569 (1977-06-01), Ivey, Jr.
patent: 4151072 (1979-04-01), Nowack
patent: 4204946 (1980-05-01), Johnson
patent: 4247389 (1981-01-01), Johnson et al.
patent: 4383915 (1983-05-01), Johnson
patent: 4431523 (1984-02-01), Tabler et al.
patent: 4431524 (1984-02-01), Norman

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