Metal oxide having uniform pore sizes, the process for...

Details Metal oxide having uniform pore sizes, the process for... Metal oxide having uniform pore sizes, the process for...

C - Chemistry, Metallurgy

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C01F 7/14 (2006.01) B01J 20/02 (2006.01) B01J 35/10 (2006.01) C01B 13/18 (2006.01) C01B 13/36 (2006.01) C01B 33/16 (2006.01)

Patent

CA 1240972

-1- Abstract: Metal oxides having a very narrow size distribution of micropores within the range of between 10 and 100 Angstroms can be prepared by reacting a water-soluble basic salt of a metal hydrate with an organic compound such as an acid halide in a specific manner. The pore diameter of the metal oxide can be arbitrarily controlled within the range of the micropore size by changing the molecular chain length of the organic compound, treating the compound with an acid or calcining it at different temperatures. It is desirable that the narrow pore size distribution is centered within the range of 1 to 30 Angstroms, preferably 1 to 15 Angstroms when the metal oxide is used as a catalyst carrier.

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