Process for treating and regenerating used oil products

Details Process for treating and regenerating used oil products Process for treating and regenerating used oil products

1981-04-28

1983-03-08

Cintins, Ivars C.

Mineral oils: processes and products

Refining

Purifying used oil

208 13, 210725, 210729, C10M 1100

Patent

active

043760406

ABSTRACT:
In the recovery of regenerated mineral and synthetic oils from blackish dirty lubricating or industrial oils, a quaternary ammonium salt or mixture of salts is added to the dirty oil and the mixture is subjected to agitation. The agitated mixture is next subjected to a decanting operation making it possible to recover, as the upper supernatant fraction, an oil exhibiting approximately the same characteristics as a new starting oil useful for automotive engines, transmissions and differentials, as a lubricant for machine tools, useful in transformers and other electric and electropneumatic devices and also useful as a hydraulic fluid.

REFERENCES:
patent: 1469426 (1923-10-01), Miller
patent: 3123442 (1964-03-01), Karsay et al.
patent: 4105538 (1978-08-01), Mattox
patent: 4130674 (1978-12-01), Roberts et al.
patent: 4184949 (1980-01-01), Sader

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