Dehydrogenation of isobutane over a zeolitic catalyst

Details Dehydrogenation of isobutane over a zeolitic catalyst Dehydrogenation of isobutane over a zeolitic catalyst

1986-07-21

1988-02-23

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

585661, 585656, C07C 5333, C07C 1500

Patent

active

047272163

ABSTRACT:
Isobutene is produced by contacting isobutane with a sulfided, type L zeolitic catalyst containing platinum, tin, barium, and an inorganic binder. The isobutane is contacted with the catalyst in the presence of a sulfur-containing gas at a temperature of from 850.degree. F. to 1250.degree. F., a pressure of less than 20 psig, a liquid hourly space velocity of below 40, and an H.sub.2 /HC of less than 10. Preferably, the catalyst comprises: (1) a sulfided, type L zeolite containing from 8% to 10% by weight barium, from 0.6% to 1.0% by weight platinum, and tin at an atom ratio with the platinum of about 1:1; and (2) an inorganic binder of either silica, alumina, or aluminosilicates.

REFERENCES:
patent: 3585249 (1971-06-01), Cohen et al.
patent: 3644200 (1972-02-01), Young
patent: 4124649 (1978-11-01), Rausch

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