Silver-catalyzed oxidation of methacrolein to methacrylic acid

Details Silver-catalyzed oxidation of methacrolein to methacrylic acid Silver-catalyzed oxidation of methacrolein to methacrylic acid

1980-06-09

1982-07-06

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

562531, 562600, 568881, C07C 5125, C07C 57045

Patent

active

043384625

ABSTRACT:
In the process for oxidizing methacrolein to a methacrylic acid salt with an oxidizing gas in a strongly alkaline medium at a temperature of 0 to 100.degree. C. and in the presence of a finely divided silver catalyst and recovering methacrylic acid by acidification, the improvement which comprises carrying out said oxidation in the presence of a small amount of dissolved alkali metal carbonate.

REFERENCES:
patent: 2288566 (1942-06-01), Herstein
patent: 2930801 (1960-03-01), Montagna et al.
patent: 3387029 (1968-06-01), Hartel et al.
patent: 3546286 (1970-12-01), Hartel et al.
patent: 3839437 (1974-10-01), Wang et al.

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