Support for a phosphate-containing catalyst

Details Support for a phosphate-containing catalyst Support for a phosphate-containing catalyst

1981-01-26

1982-12-28

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, B01J 2714

Patent

active

043660886

ABSTRACT:
A support for a phosphate-containing catalyst comprising a combination of an inert material such as silica and phosphoric acid. The support is formed by mixing the inert support and the phosphoric acid together to form a slurry, evaporating the liquid off and calcining the resulting mass. This support is used in combination with phosphate-containing catalysts to overcome the deactivation of these catalysts caused by the leaching of phosphate ions from the catalyst. This catalyst support has found particular utility in combination with an iron/phosphorus oxidation catalyst and even more particularly, in use with an iron phosphorous catalyst used in the oxydehydrogenation of isobutyric acid to form methacrylic acid.

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patent: 4202798 (1980-05-01), Johnson et al.

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