C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 5/387 (2006.01) B01J 29/06 (2006.01) B01J 29/60 (2006.01) B01J 29/62 (2006.01) C01B 39/32 (2006.01) C07C 5/41 (2006.01) C10G 35/095 (2006.01) C01B 33/34 (1990.01) B01J 29/28 (1990.01)
Patent
CA 2071865
Potassium zeolites of type L in which the crystals are very flat cylinders of "hockeypuck" or "coin" shape may be prepared by adjusting the K2O/SiO2 and SiO2/Al2O3 ratio and including in the mixture from which the zeolite is crystallized a small amount of divalent cation such as magnesium or barium. The resulting zeolite has a short channel length and is particularly useful as a base for aromatization catalysis.
Des zéolites de potassium de type L, dans lesquelles les cristaux sont des cylindres très plats, en forme de « rondelle de hockey » ou de « pièce de monnaie » peuvent être préparées en ajustant les rapports K2O/SiO2 et SiO2/Al2O3 et en incluant dans le mélange à partir duquel la zéolite est cristallisée, une petite quantité d'un cation divalent, comme le magnésium ou le baryum. La zéolite résultante est de type à canaux courts, et elle est particulièrement utile comme base pour catalyser l'aromatisation.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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