Process and catalyst for propylene ammoxidation to acrylonitrile

Details Process and catalyst for propylene ammoxidation to acrylonitrile Process and catalyst for propylene ammoxidation to acrylonitrile

1992-05-12

1993-08-10

Brust, Joseph Paul

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

Organic compounds

Nitriles

C07C25326

Patent

active

052350886

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 et al.
patent: 3911089 (1975-10-01), Shiraishi et al.
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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