Method for preparing a supported mixed-metal oxide oxidation cat

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

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502209, 502210, 502211, 502212, 502302, 502304, 502321, 502322, 549257, 549258, 549259, B01J 2714, B01J 27198, B01J 27188, B01J 2719

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047104848

ABSTRACT:
Improved supported, mixed-metal oxide oxidation catalysts are prepared by conditioning a devolatilized catalyst precursor with an alcohol prior to calacining the precursor to a finished catalyst. For example, a promoted bismuth phosphomolybdate oxidation catalyst useful for converting propylene to acrolein demonstrates enhanced performance characteristics when the devolatilized catalyst precursor is subjected to boiling ethanol prior to calcining it to a finished catalyst.

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