B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 37/00 (2006.01) B01J 21/04 (2006.01) B01J 21/16 (2006.01) B01J 29/04 (2006.01)
Patent
CA 2593919
Process for the preparation of a catalyst comprising the steps of (a) preparing a slurry comprising clay, zeolite, and quasi-crystalline boehmite, provided that the slurry does not comprise peptised quasi-crystalline boehmite, (b) adding a monovalent acid to the slurry, (c) adding a silicon source to the slurry, and (d) shaping the slurry to form particles. This process leads to a catalyst with high accessibility and high attrition resistance.
La présente invention a trait à un procédé pour la préparation d'un catalyseur comprenant les étapes suivantes: (a) la préparation d'une suspension comportant de l'argile, de la zéolithe, et de la boehmite quasicristalline, à condition que la suspension ne comporte pas de la boehmite quasicristalline peptisée, (b) l'ajout d'un acide monovalent à la suspension, (c) l'ajout d'une source de silicium à la suspension, et (d) le façonnage de la suspension pour former des particules. Ce procédé permet d'obtenir un catalyseur à accessibilité élevée et une résistance élevée à l'attrition.
Babitz Scott Michael
Laheij Erik Jeroen
O'connor Paul
Stamires Dennis
Van Der Zon Monique
Albemarle Netherlands Bv
Macrae & Co.
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