Reactivation of vanadium-containing oxidation catalysts

Details Reactivation of vanadium-containing oxidation catalysts Reactivation of vanadium-containing oxidation catalysts

1982-02-12

1983-10-25

Konopka, P. E.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

260369, 549248, 549257, 549258, 549259, 502 37, B01J 2392, B01J 2120, B01J 2728, C07D30789

Patent

active

044118180

ABSTRACT:
A process for reactivating a vanadium-containing oxidation catalyst, wherein the catalyst is treated first at from 100.degree. to 600.degree. C., with a volatile phosphorus compound in the presence of an oxygen-containing gas, and then at from 50.degree. to 600.degree. C. with sulfur trioxide or a mixture of a volatile sulfur compound and an oxygen-containing gas.

REFERENCES:
patent: 3474041 (1969-10-01), Kerr
patent: 4007136 (1977-02-01), Blechschmitt et al.
patent: 4035399 (1977-07-01), Yokoyama
patent: 4036783 (1977-07-01), Blechschmitt et al.
patent: 4123442 (1978-10-01), Bakshi

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