Process for obtaining isobutene from C.sub.4 -hydrocarbon mixtur

Details Process for obtaining isobutene from C.sub.4 -hydrocarbon mixtur Process for obtaining isobutene from C.sub.4 -hydrocarbon mixtur

1980-04-07

1981-09-01

Demers, Arthur P.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By addition of extraneous agent, e.g., solvent, etc.

568697, 585864, C07C 700

Patent

active

042873797

ABSTRACT:
A process for obtaining isobutene from a C.sub.4 -hydrocarbon mixture containing isobutene, by reacting the mixture with a primary alcohol in the presence of an acid condensing agent and decomposing the resulting tertiary ether in the presence of an acid catalyst at an elevated temperature, wherein a primary C.sub.3 - or C.sub.4 -alcohol is used.

REFERENCES:
patent: 3121124 (1964-02-01), Verdol
patent: 3170000 (1965-02-01), Verdol
patent: 3288842 (1966-11-01), Verdol
patent: 3629478 (1971-12-01), Haunschild
patent: 3637889 (1972-01-01), Watanabe et al.
patent: 4020114 (1977-04-01), Rescali et al.
patent: 4039590 (1977-08-01), Ancillotti et al.
patent: 4071567 (1978-01-01), Ancillotti et al.
Perry et al. Chemical Engineers Handbook 5th ed. (1976), pp. 13-36.

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