Process for the preparation of catalysts and for cracking minera

Details Process for the preparation of catalysts and for cracking minera Process for the preparation of catalysts and for cracking minera

1996-11-21

1998-09-15

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208113, 502 63, 502 68, 502 69, 502 71, 502 77, C10G 1105, B01J 2906

Patent

active

058074740

ABSTRACT:
The invention relates to a process for the preparation of catalysts or catalyst additives by kneading and/or grinding, spray-drying and heat-treating a suspension containing a catalytically active component as well as aluminum hydroxide and/or one or more aluminum hydroxy compound(s) and other binding agent(s) and optionally kaolin(ite), which comprises using one or more aluminum-containing silicic acid modification(s) of formula (I), O).sub.4-z (AlO.sub.3/2).sub.z !, (I)
wherein y is less than 1; z is less than 1; and x is 0, 4, 10, or 16 to 18, instead of the kaolin(ite) or a part thereof to be used as filling material. The process and the catalysts or catalyst additives render it possible to increase the butene fraction of cracked products.

REFERENCES:
patent: 4480047 (1984-10-01), Beck et al.
patent: 4631261 (1986-12-01), Sato et al.
patent: 4636484 (1987-01-01), Nishimura et al.
patent: 4877514 (1989-10-01), Hettinger et al.

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