Isolation of butadiene from a C.sub.4 -hydrocarbon mixture

Details Isolation of butadiene from a C.sub.4 -hydrocarbon mixture Isolation of butadiene from a C.sub.4 -hydrocarbon mixture

1979-08-22

1981-09-29

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Convective distillation with normally gaseous medium, e.g., air

203 52, 203 54, 203 58, 203 60, 203 62, 203 70, 203 71, 203 81, 203 82, 203 84, 585810, 585836, 585865, 585867, B01D 340, C07C 708

Patent

active

042921414

ABSTRACT:
A process for isolating butadiene, with the aid of a selective solvent, from a C.sub.4 -hydrocarbon mixture which contains butadiene and small amounts of styrene and may contain oxygen, hydrocarbons more soluble than butadiene in the selective solvent and hydrocarbons less soluble than butadiene in the selective solvent, in which process the C.sub.4 -hydrocarbon mixture is separated by extractive distillation into a distillate which contains the less soluble hydrocarbons, a stream of butadiene and a stream containing the more soluble hydrocarbons, and in which a mixture of styrene and C.sub.4 -hydrocarbons is removed from the C.sub.4 -hydrocarbon mixture in a distillation zone upstream of the extractive distillation, the top product of the said distillation zone being fed to the extractive distillation.

REFERENCES:
patent: 3114783 (1963-12-01), Butler et al.
patent: 3280085 (1966-10-01), Kleiss
patent: 3284339 (1966-11-01), Begley et al.
patent: 4038156 (1977-07-01), Knott et al.
patent: 4090923 (1978-05-01), Haskell et al.
patent: 4128457 (1978-12-01), Barba et al.
patent: 4141925 (1979-02-01), Pavlov et al.

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