Process for the separation of diene from organic mixtures

Details Process for the separation of diene from organic mixtures Process for the separation of diene from organic mixtures

1972-09-22

1976-06-29

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260677A, 208291, 208308, C07C 700

Patent

active

039668347

ABSTRACT:
Dienes are separated from organic mixtures comprising diene and alkene having one double bond by contacting the mixture against one side of a membrane which is a halogenated polymer of ethylene and withdrawing at the other side a vaporous mixture having increased diene concentration. Exemplary of the organic mixtures is a mixture of butadiene and butene. Exemplary of the membranes are polyvinylchloride and tetrafluoroethylene/ethylene copolymer.

REFERENCES:
patent: 2947687 (1960-08-01), Lee
patent: 2953502 (1960-09-01), Binning et al.
patent: 2960462 (1960-11-01), Lee et al.
patent: 3062905 (1962-11-01), Jennings et al.
patent: 3370102 (1968-02-01), Carpenter et al.
patent: 3819742 (1974-06-01), Brun et al.

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