Method for preparing a low acidity refractory oxide-bound...

Details Method for preparing a low acidity refractory oxide-bound... Method for preparing a low acidity refractory oxide-bound...

B - Operations, Transporting

01

J

B01J 37/00 (2006.01) B01J 29/06 (2006.01) B01J 29/40 (2006.01) C07C 5/27 (2006.01) C10G 45/64 (2006.01)

Patent

CA 2385278

A method for preparing a catalyst comprising a zeolite and a low acidity refractory oxide binder which is essentially free of alumina which method comprises: (a) preparing an extrudable mass comprising a substantially homogenous mixture of zeolite, water, a source of the low acidity refractory oxide binder present as an acid sol and an amine compound, (b) extruding the extrudable mass resulting from step (a), (c) drying the extrudate resulting from step (b); and, (d) calcining the dried extrudate resulting from step (c).

L'invention porte sur un procédé de préparation d'un catalyseur comportant un zéolite et un liant d'oxyde réfractaire de faible acidité essentiellement exempt d'aluminium consistant à: (a) préparer une masse extrudable comprenant substantiellement un mélange homogène de zéolite, d'eau, d'une source liant d'oxyde réfractaire de faible acidité sous forme de sol acide, et d'un composé d'amines; (b) extruder la masse extrudable résultant de l'étape (a); (c) dessécher l'extrudât résultant de l'étape (b); et (d) calciner l'extrudât sec résultant de l'étape (c).

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