Process for regenerating and stabilizing phosphorus-vanadium-oxy

Details Process for regenerating and stabilizing phosphorus-vanadium-oxy Process for regenerating and stabilizing phosphorus-vanadium-oxy

1988-01-29

1989-08-29

Sneed, H. M. S.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 35, 502 36, 502 29, 502 30, 502 32, 502 27, 502 25, 502 28, 549259, 549260, B01J 3804, B01J 3842, B01J 3846, B01J 3864

Patent

active

048617385

ABSTRACT:
The present invention relates to a process for the regeneration and stabilization of certain phosphorus-vanadium-oxygen complex catalysts or phosphorus-vanadium-oxygen co-metal complex catalysts, with halogen-containing components and subsequently treating the catalyst with phosphorus compounds. These catalysts are useful for the manufacture of maleic anhydride from butane feedstock.

REFERENCES:
patent: 4020174 (1977-04-01), Partenheimer
patent: 4089807 (1978-05-01), Partenheimer
patent: 4094816 (1978-06-01), Partenheimer
patent: 4780548 (1988-10-01), Edwards et al.

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