Process for increasing bright stock oil raffinate production

Details Process for increasing bright stock oil raffinate production Process for increasing bright stock oil raffinate production

C - Chemistry, Metallurgy

10

G

196/247

C10G 21/14 (2006.01)

Patent

CA 1272976

ABSTRACT OF THE DISCLOSURE A process for increasing the production of Bright Stock oil in a lube oil process scheme. Aromatic extract oil, after being separated from the extraction sol- vent, is recycled back to the deasphalter unit and com- bined with a vacuum residuum in 10-20 LV%, based on the total deasphalter feed, prior to deasphalting. After deasphalting and aromatics extraction the absolute yield of raffinate is increased.

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