Acrolein oxidation catalyst

Details Acrolein oxidation catalyst Acrolein oxidation catalyst

1976-04-19

1977-07-12

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252464, 252467, 260530N, B01J 2108, B01J 2322, B01J 2326, B01J 2328

Patent

active

040352625

ABSTRACT:
A method of preparing acrylic acid by oxidation of acrolein over a new and improved catalyst providing conversions of acrolein of greater than 99% with yields of acrylic acid in excess of 95%. The catalyst consists essentially of the oxides of molybdenum, vanadium, chromium and copper and at least one of tantalum and niobium and optionally silicon on an inert carrier. Catalysts useful in the process contain the elements previously mentioned in the atomic ratios of

REFERENCES:
patent: 3853792 (1974-12-01), Ohara et al.
patent: 3926915 (1975-12-01), Watanabe et al.

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