Process for regenerating a catalyst

Details Process for regenerating a catalyst Process for regenerating a catalyst

1985-07-09

1986-08-05

Konopka, P. E.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 52, 568477, 568479, 568480, R01J 2392, C07C 4535

Patent

active

046043705

ABSTRACT:
A process for regenerating a Mo.Bi-based multi-oxide catalyst the catalytic performance of which has deteriorated as a result of its use in vapor-phase catalytic oxidation of propylene or isobutene to prepare acrolein or methacrolein, respectively, which process comprises: heating the deteriorated Mo.Bi-based multi-oxide catalyst in an atmosphere consisting essentially of air at a temperature of 380.degree. C. to 540.degree. C., so as to attain at least partial restoration of the catalytic performance thereof.

REFERENCES:
patent: 4052333 (1977-10-01), Lee
patent: 4148757 (1979-04-01), Brazdil et al.
patent: 4284583 (1981-08-01), Pujado

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