Catalyst

Details Catalyst Catalyst

1979-10-18

1981-03-10

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252456, 252464, B01J 2100, B01J 2308, B01J 2328

Patent

active

RE0305456

ABSTRACT:
A catalyst composition useful for the oxidation of olefins, particularly the oxidation of propylene and isobutylene to produce the corresponding unsaturated aldehydes acrolein and methacrolein, respectively, comprises the combination of oxides of molybdenum, cobalt, iron, bismuth, thallium and antimony, and preferably also silicon. When the catalyst is used for the vapor-phase oxidation of the olefins with molecular oxygen, the aldehydes are produced with high selectivity. Alcohol precursors for the olefins can be used as feed instead of the olefins themselves.

REFERENCES:
patent: 3879453 (1975-04-01), Ono et al.
patent: 3951861 (1976-04-01), Shiraishi et al.
patent: 4001317 (1977-01-01), Grasselli et al.
patent: 4035418 (1977-07-01), Okada et al.
patent: 4111985 (1978-09-01), Okada et al.

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