Lube oil hydrotreating process

Details Lube oil hydrotreating process Lube oil hydrotreating process

1971-10-20

1976-03-02

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural parallel stages of chemical conversion

208 18, 208 59, 208 78, 208111, C10G 4100, C10G 1308, C10G 3702

Patent

active

039416801

ABSTRACT:
A process for the production of lubricating oil in order to obtain lower viscosity lubricating oils of increased viscosity index by separating a crude lubricating oil into a residual fraction and a distillate fraction and thereafter subjecting the residual fraction to hydrotreating and separately subjecting the distillate fraction to hydrotreating under more severe conditions than employed in hydrotreating the residual fraction.

REFERENCES:
patent: 2526068 (1950-10-01), Delattre-Seguy
patent: 3243367 (1966-03-01), Mason et al.
patent: 3254020 (1966-05-01), Frayer et al.
patent: 3579435 (1971-05-01), Olenzak et al.
patent: 3637483 (1972-01-01), Carey
patent: 3663423 (1972-05-01), Bennett et al.

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