Manufacture of methacrylic acid

Details Manufacture of methacrylic acid Manufacture of methacrylic acid

1976-07-30

1977-12-06

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5124

Patent

active

040616738

ABSTRACT:
Methacrylic acid is manufactured by oxidative dehydrogenation of isobutyric acid in vapor phase in the presence of a supported catalyst containing a heteropolyacid and/or a reduced form of the heteropolyacid. A highly siliceous material having a high water absorbability is used as a carrier for the catalyst to improve the conversion rate and selectivity as well as the catalyst durability.

REFERENCES:
patent: 3917673 (1975-11-01), Watkins
patent: 3948959 (1976-04-01), Cavaterra et al.

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