Phosphate-containing ceramic structures for catalyst support and

Details Phosphate-containing ceramic structures for catalyst support and Phosphate-containing ceramic structures for catalyst support and

1989-01-10

1991-08-13

Konopka, Paul E.

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

Catalyst or precursor therefor

Phosphorus or compound containing same

4232132, 4232135, 423239, 428116, 501103, 501105, 501127, 501134, 502209, 502210, 502211, 502213, 502214, 502439, 502527, B01J 2718, B01J 2106, C04R 3549, C04B 3546

Patent

active

050396447

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 througout 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.

REFERENCES:
patent: 3876556 (1975-04-01), Laack et al.
patent: 4066572 (1978-01-01), Choca
patent: 4711930 (1987-12-01), Hoelderich et al.
patent: 4849275 (1989-07-01), Hamaguchi et al.

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