Production of fluid catalytic cracking catalysts

Details Production of fluid catalytic cracking catalysts Production of fluid catalytic cracking catalysts

1982-09-20

1984-04-17

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

502 64, 502 65, B01J 2906

Patent

active

044435533

ABSTRACT:
In the process of preparing fluid catalytic cracking catalysts where an aqueous slurry, containing a zeolite, or zeolites, an alumina-containing binder, a clay and a silica source, is subjected to drying to form essentially water-free solid catalyst particles, the viscosity of the aqueous slurry can be significantly reduced by incorporation of a small but effective amount of [Al.sub.2 (OH).sub.6-y Cl.sub.y ].sub.x additive. Due to this decrease in viscosity, the solids content of the slurry can be raised until the original, additive-free viscosity level, is reached, which, in turn, results in increased solids throughput rate in the drying step with corresponding savings of thermal energy and improved catalyst production efficiency.

REFERENCES:
patent: 4100108 (1978-07-01), Alafandi et al.
patent: 4176090 (1979-11-01), Vaughan et al.

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