Cracking catalysts comprising pillared clays

Details Cracking catalysts comprising pillared clays Cracking catalysts comprising pillared clays

1987-01-29

1988-05-03

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 80, 502 84, B01J 2116, B01J 2904, B01J 2906

Patent

active

047420332

ABSTRACT:
A process for preparing pillared interlayered clay materials comprises the steps of contacting a smectite containing material, preferably bentonite, with a solution comprising at least one of ammonium and alkali metal carboxylates and alkali metal carbonates and bicarbonates, plus preferably also alkali metal dithionite; separating the thus-contacted material from the solution; treating the separated material with a solution comprising a polymeric cationic hydroxy metal complex, preferably of aluminum (more preferable, polymeric hydroxy aluminum chloride); separating and finally heating the thus-treated smectite material. The pillared interlayered clay material of this invention can be intimately admixed with zeolite. The pillared interlayered clay material of this invention, with or without zeolite, can be used as catalyst for cracking hydrocarbon-containing oils.

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