Lubricating oil process

Details Lubricating oil process Lubricating oil process

C - Chemistry, Metallurgy

10

G

196/53

C10G 45/00 (2006.01) C10G 47/02 (2006.01) C10G 65/12 (2006.01)

Patent

CA 1156585

LUBRICATING OIL PROCESS ABSTRACT OF THE DISCLOSURE Heavy gas oil is converted to a high quality, high viscosity index lubricating oil stock by improved contacting with hydrogen in three catalytic stages. The gas oil is first hydrotreated to provide a stock more amenable to sub- sequent hydrocracking, thus permitting the use of less severe conditions in the latter step. The hydrocracked oil is finally subjected to a hydrogenation step to fully meet remaining lubricating oil specifications.

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