Process for the preparation of catalysts and for cracking...

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

B - Operations, Transporting

01

J

B01J 29/40 (2006.01) B01J 21/02 (2006.01) B01J 21/06 (2006.01) B01J 21/12 (2006.01) B01J 21/16 (2006.01) B01J 37/00 (2006.01) C10G 11/05 (2006.01)

Patent

CA 2190924

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 aluminium hydroxide and/or one or more aluminium hydroxy compound(s) and other binding agent(s) and optionally kaolin(ite), which comprises using one or more aluminium-containing silicic acid modifica- tion(s) of formula (I), H4+y-z[(SiO4/2)x-y(AlO4/2)y(SiO3/2O)4-z(AlO3/2)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 ren- der possible to increase the butene fraction of cracked prod- ucts.

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