Modified microsphere FCC catalysts and manufacture thereof

Details Modified microsphere FCC catalysts and manufacture thereof Modified microsphere FCC catalysts and manufacture thereof

1995-03-31

1996-09-24

Lewis, Michael

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, 502 79, B01J 2906

Patent

active

055590675

ABSTRACT:
An in situ process for making improved zeolitic fluid cracking catalyst by spray drying a mixture of hydrous kaolin, gibbsite and spinel, essentially free from metakaolin, calcining the resulting microspheres to convert the hydrous kaolin to metakaolin whereby the gibbsite is hydrothermally converted to a transitional alumina, and reacting the microspheres composed of a mixture of spinel, transitional alumina and metakaolin with a seeded alkaline sodium silicate solution.

REFERENCES:
patent: 3957689 (1976-05-01), Ostermaier et al.
patent: 4493902 (1985-01-01), Brown et al.
patent: 4716136 (1987-12-01), Weisz et al.
patent: 4965233 (1990-10-01), Speronello
patent: 5023220 (1991-06-01), Dight et al.
patent: 5395809 (1995-03-01), Madon et al.
Oxides and Hydroxides of Aluminum; K. Wefers et al.; Alcoa Technical Paper No. 19; ALCOA Laboratories 1987(no month) Fig. 4.1.
Fluid Catalytic Cracking: Science and Technology. Studies in Surface Science and Catalysis; Magee et al. vol. 79, 1993(no month) pp. 41-43.
Bull. of the Chem. Soc. of Japan vol 49, 1976 pp. 1788-1793(no month).
Applied Catalysis vol 38, 1988(no month) pp. 143-155.

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