Catalyst for the manufacture of acrylonitrile and methacrylonitr

Details Catalyst for the manufacture of acrylonitrile and methacrylonitr Catalyst for the manufacture of acrylonitrile and methacrylonitr

1991-07-29

1993-05-18

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Phosphorus or compound containing same

502215, 502241, 502243, 502304, 502306, B01J 2378, B01J 2384, B01J 2383, B01J 27185

Patent

active

052121372

ABSTRACT:
Olefins such as propylene and isobutylene are converted to the corresponding unsaturated nitriles, acrylonitrile, and methacrylonitrile, respectively, by reacting a mixture of the olefin, ammonia, and molecular oxygen-containing gas in the presence of a catalyst containing the oxides of bismuth, molybdenum, iron, nickel and magnesium, at least one element selected from the group comprising potassium and cesium, and optionally one element selected from the group comprising cobalt, phosphorus, manganese, tellurium, sodium, cerium, chromium, antimony and tungsten wherein the sum of cesium and potassium is at least 0.1 to 0.4.

REFERENCES:
patent: 3230246 (1966-01-01), Callahan et al.
patent: 3642930 (1972-02-01), Grasselli et al.
patent: 4503001 (1985-03-01), Grasselli et al.
patent: 4767878 (1988-08-01), Grasselli et al.
patent: 4863891 (1989-09-01), Grasselli et al.

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