Process for the dehydrogenation of dehydrogenatable hydrocarbons

Details Process for the dehydrogenation of dehydrogenatable hydrocarbons Process for the dehydrogenation of dehydrogenatable hydrocarbons

Filed on

1986-07-07

Date issued

1987-03-24

Examiner

Davis, Curtis R.

Patent Class

Chemistry of hydrocarbon compounds

SubClass

Plural serial diverse syntheses

SubSubClass

To produce aromatic

Other Related Categories

585440, 585441, 585443, 585444, 585445, 585616, 585621, 585658, 585659, 585662, C07C 402, C07C 5333

Type

Patent

Status

active

Patent number

046526870

Description

ABSTRACT:
Unsaturated hydrocarbons may be prepared by subjecting dehydrogenatable hydrocarbon to dehydrogenation in the presence of a dehydrogenation catalyst. The effluent stream from this step, comprising unconverted hydrocarbons, dehydrogenated hydrocarbons, hydrogen and steam, may then be passed to a selective oxidation step in which the hydrogen is selectively oxidized in the presence of an oxygen-containing gas to the substantial exclusion of the oxidation of the hydrocarbons. The oxidation catalyst which is employed will comprise a Group VIII noble metal, a Group IVA metal and a Group IA or IIA metal composited on a metal oxide support. The metal oxide support such as alumina will possess a particular configuration such as a polylobular particle containing from 3 to about 8 lobes and having a ratio of exterior surface to catalyst volume greater than [4D+2L] in which D is the largest representative diameter and L is the length of the particle.

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patent: 4435607 (1984-03-01), Imai
patent: 4489173 (1984-12-01), Gibson
patent: 4495307 (1985-01-01), Clements

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