Production of high purity butene-1 from an n-butane feedstock

Details Production of high purity butene-1 from an n-butane feedstock Production of high purity butene-1 from an n-butane feedstock

1985-06-19

1985-12-10

Gantz, D. E.

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce unsaturate

585314, 585315, 585654, 585655, 585809, 585833, 585836, C07C 701

Patent

active

045581681

ABSTRACT:
This invention relates to a process for producing a high purity butene-1 product from n-butane via a dehydrogenation process. In one embodiment of the process the n-butane is dehydrogenated over a chromia-alumina catalyst and any butadiene formed hydrogenated to monoolefins. The monoolefins are separated and the butene-1 separated from isobutylene by reacting the isobutylene with methanol to form methyl tertiary butyl ether. The methyl tertiary butyl ether is separated from the butene-1 leaving it as a high purity product. Alternatively, the dehydrogenated product from the reactor may be contacted with a solvent to extract butadiene followed by hydrogenation, separation of monoolefins and conversion to methyl tertiary butyl ether.

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