Catalyst for oxidizing methacrolein and method for preparing met

Details Catalyst for oxidizing methacrolein and method for preparing met Catalyst for oxidizing methacrolein and method for preparing met

1991-11-12

1993-03-30

Dees, Jose G.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5116, C07C 51235

Patent

active

051985799

ABSTRACT:
A composite oxide catalyst represented by the general formula: Mo-V-P-X-Y (wherein X represents at least one element selected from the group consisting of Sb, Cu, Co, Bi and As; Y represents at least one element selected from the group consisting of K, Rb, Cs and Tl) and a method for preparing methacrylic acid through gas phase catalytic oxidation of methacrolein with molecular oxygen in the presence of the foregoing catalyst are herein disclosed. The catalyst exhibits excellent catalytic activity, selectivity to methacrylic acid, catalytic stability and lifetime.

REFERENCES:
patent: 3998876 (1976-12-01), Kato et al.

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