Vanadium/phosphorus oxide oxidation catalyst

Details Vanadium/phosphorus oxide oxidation catalyst Vanadium/phosphorus oxide oxidation catalyst

1993-12-03

1995-03-28

Mc Farlane, Anthony

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

Catalyst or precursor therefor

Phosphorus or compound containing same

502353, 502200, 556 13, 556 14, 556 26, 549259, B01J 2322

Patent

active

054017076

ABSTRACT:
A vanadium/phosphorus oxide oxidation catalyst suitable for catalytic oxidation of C.sub.4 feed stock in the preparation of maleic anhydride is formed by calcining an intercalation complex of the formula VOHPO.sub.4 .multidot.0.5H.sub.2 O.multidot.({C.sub.n H.sub.2n+1 }--X).sub.z in which n has a value of from 0 to 20, z has a value of from about 1.5 to about 1.9; and X is an oxygen- or nitrogen-containing functional group operable to form hydrogen bonds with the structural P--OH and water groups of the complex.

REFERENCES:
patent: 3864280 (1975-02-01), Schneider
patent: 4454061 (1984-06-01), Johnson
patent: 5137860 (1992-08-01), Ebner et al.
patent: 5288880 (1994-02-01), Matsuura

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