Process for isomerization of alkylaromatics

Details Process for isomerization of alkylaromatics Process for isomerization of alkylaromatics

1987-06-10

1988-08-09

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By isomerization

585482, C07C 522

Patent

active

047629576

ABSTRACT:
An improved process for the isomerization of non-equilibrium C.sub.8 aromatics is presented which utilizes a catalytic composition prepared by a novel method of incorporating magnesium into a crystalline aluminosilicate. The catalyst comprises an alumina matrix, a magnesium-containing zeolite, and a Group VIII metal component. It has also been found that the method of magnesium addition can dramatically affect the selectivity to para-xylene, as measured by the loss of C.sub.8 aromatics due to undesirable side-reactions. The method of the instant invention involves addition of the magnesium to a hydrogel comprising pseudoboehmite and zeolite.

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