Process for recovery of butene-1 from mixed C4 hydrocarbons

Details Process for recovery of butene-1 from mixed C4 hydrocarbons Process for recovery of butene-1 from mixed C4 hydrocarbons

1986-12-29

1989-01-10

Dixon, Jr., William R.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 50, 568697, C10L 102

Patent

active

047971339

ABSTRACT:
A process is disclosed for the recovery of butene-1 from a mixed C.sub.4 feed stream which also contains isobutylene, butene-2, isobutane and normal butane. The C.sub.4 feed stream is passed through an etherification reaction zone wherein isobutylene is selectively converted to an ether. The effluent of the etherification reaction zone is fractionated to produce a first stream comprising the product ether and C.sub.4 hydrocarbons and a second stream comprising isobutane and butene-1. The second stream is then separated to yield the butene-1. The first stream is preferably utilized in motor fuel production as by direct blending into a naphtha boiling material or by passage into an alkylation zone.

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