Method of improving catalyst activity, improved catalysts and th

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same

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502210, 502211, 502212, 502311, 502312, 502315, 502316, 502317, 502324, 502337, 502338, 502340, 502343, 502344, 502349, B01J 2306, B01J 2314, B01J 2332, B01J 27198

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active

056960476

ABSTRACT:
Disclosed is a process comprising the heat treatment of certain V and Sb-containing catalysts at a lower temperature than the previous calcination temperature of the base catalyst to improve catalytic performance; the catalysts resulting from such process; and certain oxidation and ammoxidation reactions in the presence of such a catalyst.

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EP 94 92 4584 Supplementary European Search Report, Nov. 6, 1995.

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