Process for the manufacture of lubricating base oils

Details Process for the manufacture of lubricating base oils Process for the manufacture of lubricating base oils

C - Chemistry, Metallurgy

10

G

196/53

C10G 67/04 (2006.01)

Patent

CA 1291436

A B S T R A C T PROCESS FOR THE MANUFACTURE OF LUBRICATING BASE OILS Process for the manufacture of lubricating base oils from nitrogen-containing distillate and/or deasphalted oils by catalytic hydrotreatment which may be followed by a dewaxing treatment, which comprises subjecting nitrogen-containlng distillates and/or deasphalted oils to solvent extraction and separating the raffinate and/or the extract produced into at least a low- and a high-nitro- gen fraction and subjecting the low-nitrogen fraction from the extract and/or the high-nitrogen fraction from the raffinate to a catalytic hydrotreatment.

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