Preparation of crystalline microporous and mesoporous metal sili

Details Preparation of crystalline microporous and mesoporous metal sili Preparation of crystalline microporous and mesoporous metal sili

1997-06-19

1999-07-06

Bell, Mark L.

Chemistry of inorganic compounds

Zeolite

Organic compound used to form zeolite

423705, 423707, 423713, 423716, 423DIG22, 423DIG27, 423DIG29, 423326, 4233282, C01B 3904, C01B 3936, C01B 3948

Patent

active

059194308

ABSTRACT:
Microporous and mesoporous metal silicates are prepared by the hydrothermal reaction of a silicon and metal source in the presence of a template. The choice of raw materials influences the purity and hence the catalytic activity of the products. A pyrogenic mixed oxide is used as the silicon and metal source. Prepared products have the composition (SiO.sub.2).sub.1-x (A.sub.m O.sub.n).sub.x, where A is Ti, Al, B, V or Zr and x is 0.005 to 0.1. Shaped objects of the microporous and mesoporous metal silicates are obtained directly by using a shaped object of the pyrogenic mixed oxide. The products obtained are used as oxidation catalysts.

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