Aromatic isomerization using a modified silicoaluminophosphate

Details Aromatic isomerization using a modified silicoaluminophosphate Aromatic isomerization using a modified silicoaluminophosphate

1997-12-17

1999-04-27

Straub, Gary P.

Chemistry of hydrocarbon compounds

Apparatus considerations

Using recited apparatus structure

585481, 585666, 585529, C07C 522, C07C 202

Patent

active

058980903

ABSTRACT:
This invention is drawn to a process for isomerizing a non-equilibrium mixture of xylenes and ethylbenzene using a silicoaluminophosphate molecular sieve which is enriched in framework silicon at the surface, resulting in a greater yield of para-xylene compared to prior-art processes.

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patent: 5158665 (1992-10-01), Miller
patent: 5208005 (1993-05-01), Miller
patent: 5552182 (1996-09-01), Evans

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