Process to make base oil from thermally cracked waxy feed...

Details Process to make base oil from thermally cracked waxy feed... Process to make base oil from thermally cracked waxy feed...

2011-07-05

2011-07-05

Dang, Thuan Dinh (Department: 1772)

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

Including alkylation to produce branched-chain paraffin

C585S521000, C585S722000

Reexamination Certificate

active

07973204

ABSTRACT:
We provide a process for making a base oil, comprising: a) selecting an olefin feed produced by thermal cracking of a waxy feed; b) oligomerizing the olefin feed in an ionic liquid oligomerization zone at a set of oligomerization conditions to form an oligomer; and c) alkylating the oligomer in the presence of an isoparaffin, in an ionic liquid alkylation zone, at a set of alkylation conditions to form an alkylated oligomeric product having a kinematic viscosity at 100° C. of 6.9 mm2/s or greater, a VI of at least 134, and a Bromine Number of less than 4. We provide a process to make base oil from an olefin feed produced in a FCC unit. We also provide a process to make two or more viscosity grades of base oil from an olefin feed produced by thermal cracking of a waxy feed.

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“UOP Fluid Catalytic Cracking (FCC) and Related Processes”, UOP 4523-7, Jun. 2008.

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