Catalyst for propylene ammoxidation to acrylonitrile

Details Catalyst for propylene ammoxidation to acrylonitrile Catalyst for propylene ammoxidation to acrylonitrile

1990-03-19

1992-07-28

Shine, W. J.

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

Catalyst or precursor therefor

Boron or compound containing same

502212, 558324, B01J 2384, B01J 2386, B01J 2388

Patent

active

051341050

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 molybdenum, bismuth, iron, cobalt, nickel, and chromium, and either phosphorus or antimony or mixtures thereof, and an alkali metal or mixture thereof, and optionally one element selected from the group of an alkaline earth metal, a rare earth metal, niobium, thallium, arsenic, magnesium, zinc, cadmium, vanadium, boron, calcium, tin, germanium, manganese, tungsten, tellurium, or mixtures thereof.

REFERENCES:
patent: 3911039 (1975-10-01), Grasselli
patent: 3911089 (1975-10-01), Shiraishi
patent: 4162234 (1979-07-01), Grasselli et al.
patent: 4190556 (1980-02-01), Grasselli et al.
patent: 4230640 (1980-10-01), Khoobiar
patent: 4267385 (1981-05-01), Umemura
patent: 4424141 (1984-01-01), Grasselli et al.
patent: 4536483 (1985-08-01), Sasaki

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