Method for preparing a catalyst and intermediate formed thereby

Details Method for preparing a catalyst and intermediate formed thereby Method for preparing a catalyst and intermediate formed thereby

1981-02-02

1982-06-29

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252435, B01J 2718

Patent

active

043371744

ABSTRACT:
In conventional procedures for the preparation of phosphorus-vanadium-oxygen catalysts, with or without promoting elements or carriers, the phosphorus compounds and vanadium compounds are mixed under conditions to form precursors. These precursors are then heated to temperatures up to 600.degree. C. to form phosphorus-vanadium-oxygen catalysts suitable for the conversion of saturated hydrocarbons, such as butane, to maleic anhydride. By the process of the present invention, a new phosphorus-vanadium-oxygen composition is formed which is converted to the precursor. Catalysts formed by the process of the present invention, when used for the conversion of saturated hydrocarbons to maleic anhydride, provide higher yields of maleic anhydride.

REFERENCES:
patent: B330354 (1975-01-01), Mount et al.
patent: 3293268 (1966-12-01), Bergman et al.
patent: 3864280 (1975-02-01), Schneider

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