Separating vinylcyclohexene from a butadiene extracting solvent

Details Separating vinylcyclohexene from a butadiene extracting solvent Separating vinylcyclohexene from a butadiene extracting solvent

1994-04-29

1995-01-17

Sneed, Helen M. S.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

585867, C07C 700

Patent

active

053827457

ABSTRACT:
Disclosed is a method of separating a butadiene extracting solvent that forms an azeotrope with vinylcyclohexene from a mixture with vinylcyclohexene. The mixture is cooled to a temperature below 0.degree. C. which results in the formation of a vinylcyclohexene phase over an extracting solvent phase and the two phases are physically separated. Also disclosed is apparatus suitable for performing this process.

REFERENCES:
patent: 4292141 (1981-09-01), Lindner et al.

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