Production of methacrolein

Details Production of methacrolein Production of methacrolein

1980-06-25

1981-12-15

Lone, Werren B.

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

Organic compounds

Oxygen containing

568481, 568479, 568480, C07C 4535, C07C 4532, C07C 4722

Patent

active

043060889

ABSTRACT:
In the production of methacrolein by vapor phase catalytic oxidation of isobutylene and/or t-butyl alcohol, an improved process for suppressing the amount of acetone to be by-produced which comprises contacting a gaseous mixture comprising isobutylene or t-butyl alcohol, molecular oxygen and steam with a metal oxide catalyst composition comprising molybdenum and bismuth as the essential metal components, the amount of steam in the gaseous mixture being kept to be not more than 4 mol per mol of isobutylene or not more than 3 mol per mol of t-butyl alcohol.

REFERENCES:
patent: 3522299 (1970-07-01), Takenaka et al.
patent: 4012449 (1977-03-01), Shikakura et al.
patent: 4035418 (1977-07-01), Okada et al.
patent: 4111984 (1978-09-01), Ishii et al.
patent: 4230639 (1980-10-01), Khoobiar
"New Route to Methyl Methacrylate", by Yoshio Oda et al., Hydrocarbon Processing, Oct. 1975, pp. 115-117.
"Oxidation of Isobutene to Methacrolein Over U-Sb and Bi-Mo Oxide Catalysts", by Yoshiro Morita et al., Bulletin of the Japan Petroleum Institute, pp. 71-75.
"Recent Progress in Oxidation Catalysts for C.sub.3--4 Olefins from the Patent Aspects", by Takashi Ohara, Shokubai, vol. 19, No. 3 (1977).

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