Alkylation/transalkylation process

Details Alkylation/transalkylation process Alkylation/transalkylation process

1988-11-02

1989-09-26

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

585467, 585474, C07C 200

Patent

active

048702226

ABSTRACT:
A process for the production of a monoalkylated aromatic compound which minimizes the production of undesirable alkylating agent oligomers, while producing monoalkylaromatics in high yields. The process entails the combination of an alkylation reaction zone, a separations zone, and a transalkylation reaction zone wherein the alkylation catalyst and transalkylation catalyst are dissimilar and where the alkylation catalyst is comprised of noncrystaline silica-alumina material and the transalkylation catalyst is comprised of an acid-modified crystalline aluminosilicate material that is characterized as having a surface area of at least 580 m.sup.2 /g following acid washing after catalyst particle formulation.

REFERENCES:
patent: 2419599 (1947-04-01), Schulze
patent: 2848514 (1958-08-01), de Keizer et al.
patent: 3751504 (1973-08-01), Keown et al.
patent: 3803255 (1974-04-01), Ellis et al.
patent: 4335022 (1982-06-01), Slaugh
patent: 4459426 (1984-07-01), Inwood et al.

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