Ammoxidation process

Details Ammoxidation process Ammoxidation process

1975-04-15

1976-05-25

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252464, 252476, C07C12014

Patent

active

039593371

ABSTRACT:
An ammoxidation process for preparing nitriles from m- and p-xylene whereby the formation of carbon oxides is held to a minimum which comprises reacting the xylene and ammonia at a temperature of from about 375.degree.C. to about 500.degree.C. and in the presence of added oxygen, the molar ratio of ammonia to xylene being about 3:1 or less, the molar ratio of oxygen to xylene being about 3:1 or less, the volume percent concentration of the feed being preferably about 3% to 10% hydrocarbon, 7% to 20% ammonia, and 10% to 20% oxygen, and the catalyst for said reaction comprising at least about 1 to 10% by weight of a vanadium bronze supported on .alpha.-alumina.

REFERENCES:
patent: 3544617 (1970-12-01), Oga
patent: 3812171 (1974-05-01), Neikam et al.

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