Conversion of foots oil to lube base stocks

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking

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208 18, 208 28, 208 30, 208137, 208141, 208144, 252455Z, C10G 1302, C10G 4100, C10L 104

Patent

active

039607054

ABSTRACT:
Foots oil, the by-product left when high quality wax is recovered by a solvent dewaxing process, is usually used as cracker feed stock. There is disclosed a method of converting it to higher quality lubricant base stock by subjecting such to catalytic hydroprocessing utilizing a ZSM-5 or similarly behaving zeolite catalyst under hydrogen pressure followed by distillation of the product to remove light products such as naphtha, LPG and No. 2 fuel oil therefrom.

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