Method for preparing a zeolite catalyst bound with a refractory

Details Method for preparing a zeolite catalyst bound with a refractory Method for preparing a zeolite catalyst bound with a refractory

1989-11-02

1991-10-01

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

B01J 2904

Patent

active

050533746

ABSTRACT:
Low acidity refractory oxide-bound zeolite catalysts, for example, silica-bound ultrastable Y zeolite, possessing physical properties, e.g., crush strength, similar to those of their alumina-bound counterparts are described. Since low acidity refractory oxide-bound catalysts are inherently less active than alumina-bound zeolite catalysts, the former are particularly useful in hydrocarbon conversion processes in which reduced coke make increases catalyst cycle length. Due to their stability in acid environments, the low acidity refractory oxide-bound zeolite extrudate herein can be acid treated without unduly compromising its structural integrity.

REFERENCES:
patent: 3055841 (1962-09-01), Gladrow et al.
patent: 3140253 (1964-07-01), Plank et al.
patent: 3326818 (1967-06-01), Gladrow et al.
patent: 3515680 (1970-06-01), Flank
patent: 3518206 (1970-06-01), Sowards et al.
patent: 4507396 (1985-03-01), Hickson
patent: 4582815 (1986-04-01), Bowes

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