Manufacture of acrylonitrile from propylene, ammonia and oxygen

Details Manufacture of acrylonitrile from propylene, ammonia and oxygen Manufacture of acrylonitrile from propylene, ammonia and oxygen

1972-01-25

1978-04-04

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252437, 252439, 260604R, C07C12014

Patent

active

040827852

ABSTRACT:
A new catalyst is described which is useful in the ammoxidation or oxidation of olefins. It consists of a mixture of oxidation compounds of uranium, tellurium and molybdenum, which may be accompanied by an activator consisting of an oxidation compound of an element selected from groups Ib, IIa, IIb, IIIa, IIIb, IVa, Va, VIb, VIIb and VIII of the periodic system, and is represented by the formula: U.sub.a Te.sub.b Mo.sub.c Me.sub.d X wherein, U is uranium, Te is tellurium, Mo is molybdenum, Me is the activator element, X is the oxygen necessary for saturating the other valences, a is 1, b is 1 to 8, c is 0.1 to 1 and d is 0 to 5. In the use of that catalyst, unsaturated nitriles are prepared by contacting a mixture, in vapor phase, of an olefin, ammonia and oxygen or a gas containing oxygen in the presence of the catalyst; and olefins are converted to oxygen containing compounds or dienes by contacting, in vapor phase, a mixture of the olefin and oxygen in the presence of the catalyst.

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patent: 3625867 (1971-12-01), Yoshino et al.
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