Modified microsphere FCC catalysts

Details Modified microsphere FCC catalysts Modified microsphere FCC catalysts

1993-11-01

1995-03-07

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 65, 502 79, B01J 2928, B01J 3700

Patent

active

053958098

ABSTRACT:
An in situ process for making improved zeolitic fluid cracking catalyst by spray drying a mixture of hydrous kaolin and spinel, essentially free from metakaolin, calcining the resulting microspheres to convert the hydrous kaolin to metakaolin, and reacting microspheres composed of a mixture of spinel and metakaolin forms of calcined clay with a seeded alkaline sodium silicate solution. The weight percent of hydrous kaolin in the starting (uncalcined) microspheres is greater than the spinel content.

REFERENCES:
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patent: 3367886 (1968-02-01), Haden, Jr. et al.
patent: 3367887 (1968-02-01), Haden, Jr. et al.
patent: 3451948 (1969-06-01), Scott
patent: 3458454 (1969-07-01), Lapides et al.
patent: 3515511 (1970-06-01), Flank
patent: 3647718 (1972-03-01), Haden, Jr. et al.
patent: 4493902 (1985-11-01), Brown et al.
patent: 4631262 (1986-12-01), Altmare
patent: 5023220 (1991-06-01), Dight et al.

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