Process for producing methacrolein

Details Process for producing methacrolein Process for producing methacrolein

1975-12-02

1977-08-02

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260680E, C07C 4504, C07C 500

Patent

active

040395839

ABSTRACT:
In a process for producing methacrolein by the gas phase catalytic reaction of isobutene with molecular oxygen in the presence of a catalyst consisting of Mo, Bi, Fe, Co, Sb and O, the catalyst is prepared by using as the Sb component, a mixture of a trivalent Sb compound and a pentavalent Sb compound. When said catalyst is used, the reaction can be continued over a long period of time without formation of complete oxidation products, i.e. CO and CO.sub.2, and, even when the starting isobutene contains n-butene, the reaction proceeds smoothly to make it possible to produce methacrolein and 1,3-butadiene simultaneously.

REFERENCES:
patent: 3387038 (1968-06-01), Koch
patent: 3624146 (1971-11-01), Parthasarthy
patent: 3786000 (1974-01-01), Ono et al.
patent: 3836586 (1974-09-01), Yamada et al.
patent: 3894091 (1975-07-01), Sakakibara et al.

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