Attrition resistant catalysts

Details Attrition resistant catalysts Attrition resistant catalysts

1979-08-09

1981-06-30

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, 252454, B01J 2714, B01J 2900

Patent

active

042761964

ABSTRACT:
Olefin oxidation catalysts having improved attrition resistance are produced by incorporating a substantially uniform-appearing coating of a partially calcined catalytic material onto an inert porous support containing sorbed aqueous silica sol and then completing the calcination of the catalyst. Such catalysts are useful in a variety of exothermic chemical processes, including vapor phase oxidation of olefinically unsaturated hydrocarbons to the corresponding unsaturated aldehydes, especially propylene to acrolein.

REFERENCES:
patent: 3193511 (1965-07-01), Cramer et al.
patent: 3341471 (1967-09-01), Callahan et al.
patent: 3415886 (1968-12-01), McClellan
patent: 3454630 (1969-07-01), Yamaguchi et al.
patent: 3778386 (1973-12-01), Takenaka et al.
patent: 4077912 (1978-03-01), Dolhyj et al.

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