Alkylation catalyst and processes for preparing

Details Alkylation catalyst and processes for preparing Alkylation catalyst and processes for preparing

1989-05-26

1991-07-30

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 79, 502 86, B01J 2904, B01J 2908, B01J 3700

Patent

active

050360337

ABSTRACT:
A composition useful for catalyzing alkylation and transalkylation reactions comprises a molecular sieve having alkylation and/or transalkylation activity, an inorganic refractory oxide component and greater than about 250 ppmw ammonium ions, calculated as (NH.sub.4).sub.2 O on a volatiles-free basis. Such a catalyst has been found to be highly selective for the production of cumene in an intergrated process in which benzene is alkylated with propylene and transalkylated with diisopropylbenzene. The catalyst can also be used to selectively produce ethylbenzene via an intergrated process in which benzene is alkylated with ethylene and transalkylated with diethylbenzene.

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