Process for separating butadiene from C.sub.4 hydrocarbons strea

Details Process for separating butadiene from C.sub.4 hydrocarbons strea Process for separating butadiene from C.sub.4 hydrocarbons strea

1975-05-21

1977-04-26

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260614A, C07C 700

Patent

active

040201147

ABSTRACT:
The present invention is directed to a process for the separation of butadiene from a stream-cracked C.sub.4 hydrocarbon stream by a sequential etherification of isobutylene and the acetylenic compounds that is followed by a distillation step.

REFERENCES:
patent: 1968601 (1934-07-01), Edlund et al.
patent: 2480940 (1949-09-01), Leum et al.
patent: 3119766 (1964-01-01), Voltz
patent: 3423385 (1969-01-01), Bebb et al.
patent: 3784626 (1974-01-01), Ginnasi et al.
patent: 3846088 (1974-11-01), Brown et al.

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