Phosphate-containing structures with catalytic material distribu

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

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502 63, 502 84, 502208, 502209, 502210, 502211, 502212, 502214, B01J 27185, B01J 27188, B01J 2718, B01J 2116

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active

051243024

ABSTRACT:
A monolithic ceramic structure, useful as a support for catalytic material or as a fluid filter, has a high surface area phase which consists essentially of a porous metal oxide material, at least 50% by weight of which is alumina, titania, and/or zirconia, and phosphate dispersed substantially throughout the porous metal oxide material. The presence of the phosphate stabilizes the porous metal oxide material against thermal degradation during sintering or exposure to elevated temperatures encountered in catalytic service and thereby aids in the retention of higher overall surface area in the monolithic structure.

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patent: 4066572 (1978-01-01), Choca
patent: 4711930 (1987-12-01), Hoelderich et al.
patent: 4849275 (1989-07-01), Hamaguchi et al.
patent: 4900704 (1990-02-01), McDaniel et al.

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