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Phosphate-containing ceramic structures for catalyst support and fluid filtering
Phosphate-containing ceramic structures for catalyst support and fluid filtering
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机译:含磷酸盐的陶瓷结构,用于催化剂载体和流体过滤
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摘要
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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