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US 7,569,740 B2Granted
Alkylation of olefins with isoparaffins in ionic liquid to make lubricant or fuel blendstock
AssigneeChevron U.S.A. Inc.
InventorSaleh Elomari
Life of this patent
Estimating the term…
Abstract
A process and method for making a superior lubricant or distillate fuel component by the alkylation of C5+ olefins with isoparaffins to produce a “capped” (alkylated) olefin using an acidic chloroaluminate ionic liquid catalyst system. Preferably the catalyst system includes a Brönsted acid.
Claims20
A process for making a distillate fuel or lubricant component, comprising:
- contacting a stream comprising one or more C8+ olefin feed and a stream comprising one or more isoparaffin feed with a catalyst comprising an acidic chloroaluminate ionic liquid comprising 1-butyl-pyridinium chloroaluminate in the presence of a Bronsted acid comprising hydrochloric acid, at alkylation conditions, to form an effluent wherein at least 40 wt % of the effluent is capped olefin.
A process for making a lubricant component, comprising:
- contacting a stream comprising one or more C8+ olefin feed and a stream comprising one or more isoparaffin feed with a catalyst comprising an acidic chloroaluminate ionic liquid comprising 1-butyl-pyridinium chloroaluminate in the presence of a Bronsted acid comprising hydrochloric acid, at alkylation conditions, to form an effluent;
- wherein at least 40 wt % of the effluent is capped olefin;
- and wherein at least a portion of said effluent is used as a lubricant base oil or a lubricant blend stock.
Dependencies are inferred from the claim text.