Chemistry of inorganic compounds – Zeolite – Isomorphic metal substitution
Patent
1991-07-24
1993-08-24
Breneman, R. Bruce
Chemistry of inorganic compounds
Zeolite
Isomorphic metal substitution
502 60, 502 61, 502 64, 502 85, C01B 3334
Patent
active
052386767
ABSTRACT:
This invention relates to a method for modifying a synthetic composition of ultra-large pore crystalline material, e.g., silicate, comprising an inorganic, porous, non-layered crystalline phase material exhibiting, after calcination, an X-ray diffraction pattern with at least one peak at a d-spacing greater than 18 Angstrom Units and having a benzene adsorption capacity of greater than 15 grams benzene per 100 grams of said material at 6.7 kPa (50 torr) and 25.degree. C., by contacting with a treatment composition comprising an inorganic oxide of a trivalent element X, e.g., sodium aluminate, or precursor of said inorganic oxide, under sufficient conditions so that the trivalent element X is incorporated in the crystalline phase material. The composition is suited to use for catalytic conversion of organic compounds or as a sorbent.
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"Ultralarge Pore Molecular Sieves", P. A. Jacobs & R. A. van Santen, 1989, pp. 439-446.
Kresge Charles T.
Leonowicz Michael E.
Roth Wieslaw J.
Vartuli James C.
Breneman R. Bruce
Hobbes Laurence P.
McKillop Alexander J.
Mobil Oil Corporation
Santini Dennis P.
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