Process for producing fluid catalyst having good activity from c

Details Process for producing fluid catalyst having good activity from c Process for producing fluid catalyst having good activity from c

1981-06-29

1983-10-18

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

2604653, 502 27, 502208, 50215;, 502216, 502324, 502326, 502353, 502305, 502314, B01J 2318, B01J 2392, B01J 2702, B01J 2730

Patent

active

044104502

ABSTRACT:
A process for producing a fluid catalyst having good activity from a coarse catalyst wherein said fluid catalyst is suitable for oxidation, ammoxidation or oxidative dehydrogenation reaction of hydrocarbons which comprises crushing a fluid catalyst, a greater part of which is composed of particles having a large particle size, to produce finely-divided particles, adjusting the distribution of particle size of said catalyst so that the amount of particles of a size of about 20.mu. or less is about 30% by weight or less of the total weight of catalyst particles and the amount of particles having a weight average particle size is 90% or less based on the catalyst prior to crushing, and thereafter calcining said catalyst at a temperature of about 500.degree. C. - about 1000.degree. C. under a non-reducing atmosphere.

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patent: 4208303 (1980-06-01), Sasaki et al.
patent: 4280928 (1981-07-01), Kirch et al.
patent: 4311611 (1982-01-01), Sasaki et al.
patent: 4316856 (1982-02-01), Guttmann et al.

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