Process for the production of methacrolein and methacrylic acid

Details Process for the production of methacrolein and methacrylic acid Process for the production of methacrolein and methacrylic acid

1985-11-26

1989-03-28

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

502205, 502212, 502215, 502220, 502242, 502243, 502307, 502308, 502310, 562546, 568471, 568477, C07C 4535, C07C 4537, C07C 4722, C07C 5123, C07C 5125, C07C 5705

Patent

active

048166030

ABSTRACT:
The present invention provides a process for the production of methacrolein and methacrylic acid by the gas phase catalytic oxidation of isobutylene or t-butanol at high temperature using molecular oxygen in the presence of catalyst consisting of molybdenum, tungsten, bismuth, iron, nickel, antimony, and an alkali metal, to which zinc or lead is added, and further phosphorus sulfur, silicon, selenium, germanium or boron, and magnesium, cobalt, manganese or tin are added.

REFERENCES:
patent: 4035418 (1977-07-01), Okada et al.
patent: 4065507 (1977-12-01), Hardman
patent: 4365087 (1982-12-01), Kadowaki et al.
patent: 4380664 (1983-04-01), Ishii et al.
patent: 4537374 (1985-08-01), Sato et al.

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