Ammoxidation of paraffins

Details Ammoxidation of paraffins Ammoxidation of paraffins

1988-12-23

1991-04-16

Brust, Joseph Paul

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

C07C25324

Patent

active

050084275

ABSTRACT:
Disclosed is a process for making an .alpha., .beta.-unsaturated mononitrile, acrylonitrile or methacrylonitrile, by the catalytic reaction in the vapor phase of a paraffin selected from propane and isobutane with molecular oxygen and ammonia and optionally a gaseous diluent, by catalytic contact of the foregoing reactants in a reaction zone with a catalyst, the feed to said reaction zone containing a mole ratio of said paraffin to NH.sub.3 in the rnage from 2.5 to 16 and a mole ratio of said paraffin to O.sub.2 in the range from 1 to 10, said catalyst having the elements and the proportions indicated by the empirical formula:

REFERENCES:
patent: 3681421 (1972-08-01), Barclay et al.
patent: 3686267 (1972-08-01), Taylor
patent: 3860534 (1975-01-01), Harris et al.
patent: 4788317 (1988-11-01), Gattmann et al.

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