Chemistry of inorganic compounds – Zeolite – Organic compound used to form zeolite
Patent
1992-10-21
1994-08-02
McFarlane, Anthony
Chemistry of inorganic compounds
Zeolite
Organic compound used to form zeolite
4233282, 4233291, 502 71, 502 77, C01B 3326, B01J 2906
Patent
active
053343670
ABSTRACT:
This invention relates to a new synthetic porous zeolite, characterize as ZSM-45, a method for its preparation and use thereof in catalytic conversion of organic compounds. This crystalline material may have a ratio of XO.sub.2 :Y.sub.2 O.sub.3 of at least 8, wherein X represents silicon and/or germanium and Y represents aluminum, boron, chromium, iron and/or gallium. When X is silicon and Y is aluminum, the new, synthetic zeolite is analogous, in some respects, to the naturally occuring zeolite, levynite. The silica/alumina form of this new crystalline material has a silica to alumina ratio of at least 8 and may be prepared with directing agents which are 2-(hydroxyalkyl) trialkylammonium compounds, dimethyldiethylammonium compounds or cobalticinium compounds. The new crystalline material exhibits a characteristic X-ray diffraction pattern.
REFERENCES:
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patent: 4086186 (1978-04-01), Rubin et al.
patent: 4372930 (1983-02-01), Short et al.
patent: 4440871 (1984-04-01), Lok et al.
Lok, B. M. et al., "The role of organic molecules in molecular sieve synthesis", Zeolites, vol. 3, 282-291 (1983).
Rosinski Edward J.
Rubin Mae K.
Kenehan, Jr. Edward F.
McFarlane Anthony
McKillop Alexander J.
Mobil Oil Corp.
Santini Dennis P.
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