Process for producing low viscosity lubricating base oil...

Details Process for producing low viscosity lubricating base oil... Process for producing low viscosity lubricating base oil...

C - Chemistry, Metallurgy

10

G

C10G 67/04 (2006.01) C10G 7/00 (2006.01) C10G 47/12 (2006.01) C10G 65/12 (2006.01) C10G 73/06 (2006.01) C10M 101/02 (2006.01)

Patent

CA 2107376

A process for the production of a high viscosity index, low viscosity lubricating base oil having a kinematic viscosity of 3.0 to 7.5 mm 2 /s at 100°C, a viscosity index of 120 or more and a pour point of -10°C or less, while simultaneously producing a high quality fuel oil, which includes subjecting a mixture stock oil of (a) at least one of a heavy gas oil fraction and a vacuum gas oil fraction and (b) a slack wax to hydrocracking in the presence of an amorphous silica alumina catalyst, separating the cracked product into a fuel oil fraction and a lubricating oil fraction by atmospheric distillation, and subsequently subjecting the lubricating oil fraction to dewaxing, optionally applying at least one of solvent refining and hydrofinishing.

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