Process for separating isobutene from C.sub.4 streams

Details Process for separating isobutene from C.sub.4 streams Process for separating isobutene from C.sub.4 streams

1978-07-27

1980-12-30

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

585515, 585800, 585832, 585921, 252477R, C07C 204, C07C 7177

Patent

active

042425301

ABSTRACT:
A method for the separation of isobutene from a mixture comprising n-butene and isobutene comprising feeding a C.sub.4 stream containing n-butene and isobutene to a distillation column reactor into a feed zone contacting the stream with fixed bed acidic cation exchange resin to form diisobutene which passes to the bottom of the column, said n-butene being removed overhead. The reaction and distillation occur concurrently.

REFERENCES:
patent: 2403672 (1946-07-01), Matuszak
patent: 3456317 (1970-12-01), Gislon et al.
patent: 3531539 (1970-09-01), Tidwell
patent: 3629478 (1971-12-01), Haunschild
patent: 3634534 (1972-01-01), Haunschild
patent: 3823198 (1974-07-01), Goldsby
patent: 3832418 (1974-08-01), Bercik et al.
patent: 4100220 (1978-07-01), Bowmen et al.

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