Process for preparation of maleic anhydride

Details Process for preparation of maleic anhydride Process for preparation of maleic anhydride

1989-03-27

1990-04-17

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549260, C07D30760

Patent

active

049182013

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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