Recovery of 3,4-epoxy-1-butene from 1,3,-butadiene oxidation eff

Details Recovery of 3,4-epoxy-1-butene from 1,3,-butadiene oxidation eff Recovery of 3,4-epoxy-1-butene from 1,3,-butadiene oxidation eff

1993-10-04

1994-05-17

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549534, C07D30110, C07D30132, C07D30304

Patent

active

053129318

ABSTRACT:
Disclosed are improved processes for the recovery of 3,4-epoxy-1-butene (EpB) from an epoxidation effluent comprising EpB, butadiene, oxygen and butane obtained by the selective epoxidation of butadiene with an oxygen-containing gas in the presence of a catalyst and an inert gas. EpB is separated from the effluent by means of an absorption process using liquid mixture of butadiene and butane as the absorbent material. The inclusion of butane in the epoxidation and recovery processes permits the use of lower pressures in the absorption of the EpB product.

REFERENCES:
patent: 5117012 (1992-05-01), Stavinoha, Jr. et al.

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