Process for separation and recovery of isobutene

Details Process for separation and recovery of isobutene Process for separation and recovery of isobutene

1979-05-29

1980-06-17

Crasanakis, George

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

C07C 701

Patent

active

042085403

ABSTRACT:
A process for the continuous separation and recovery of isobutene from an isobutene-containing hydrocarbon mixture, comprising the steps of contacting the mixture with water to obtain a tertiary butanol-containing mixture, separating this mixture into hydrocarbon and aqueous layer, distilling the hydrocarbon layer to obtain a tertiary butanol-rich stream, dehydrating the thus obtained stream to obtain an isobutene-containing gaseous mixture and then introducing the thus obtained mixture into a distillation means to recover isobutene as the product therefrom.

REFERENCES:
patent: 3527829 (1970-09-01), Horie et al.
patent: 3646237 (1972-02-01), Horie et al.
patent: 3651165 (1972-03-01), Horie et al.
patent: 3989762 (1976-11-01), Ester
patent: 4012456 (1977-03-01), Chaplits

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