Process for refining hydrocarbon oils

Details Process for refining hydrocarbon oils Process for refining hydrocarbon oils

1979-04-30

1980-12-23

Levine, Herbert

Mineral oils: processes and products

Fractionation

Liquid extraction with solvents

208339, 208323, C10G 2100

Patent

active

042409012

ABSTRACT:
An improved solvent refining process for hydrocarbon oils such as asphalt-free lube fractions and diesel fuels is provided by recycling an inert gas such as nitrogen through the contact zone of the extraction tower.

REFERENCES:
patent: 2188012 (1940-01-01), Pilat et al.
patent: 2188013 (1940-01-01), Pilat et al.
patent: 2315131 (1943-03-01), Pilot et al.
patent: 2865852 (1958-12-01), Davies
patent: 2911361 (1959-11-01), Kleiss
Priestly et al., "Chemistry and Industry", Oct. 7, 1978, pp. 757-776.

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