Isobutene by dehydroisomerization of normal butane

Details Isobutene by dehydroisomerization of normal butane Isobutene by dehydroisomerization of normal butane

1981-06-08

1983-07-05

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

585654, 585671, 585751, 252455Z, C07C 524, C07C 532, C07C 540

Patent

active

043920039

ABSTRACT:
This invention relates to a method of dehydroisomerizing n-butane by contacting at elevated temperatures a feedstock containing n-butanes with a catalyst composition containing a gallium compound on a support. The process affords a valuable method of producing iso-butene which is a basic chemical feedstock for a number of products including polyisobutenes, methacrolein and methyl tertiary butyl ether, to name a few. The last named compound can be prepared by reacting isobutene with methanol and is a convenient means of separating iso-butene from the products of the dehydroisomerization stage.

REFERENCES:
patent: 2389406 (1945-11-01), Bloch et al.
patent: 3804746 (1974-04-01), Chu
patent: 4056576 (1977-11-01), Gregory et al.
patent: 4304686 (1981-12-01), Telford
patent: 4324940 (1982-04-01), Dessau
patent: 4329516 (1982-05-01), AlMuddarris
Choudbury, Chemical Industry Developments, 8, 32 (1974), A Review, only relevant pages enclosed.
Egloff et al., J. Am. Chem. Soc., 61, 3571 (1939).

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