Group VIIA metal-modified zeolite catalysts

Details Group VIIA metal-modified zeolite catalysts Group VIIA metal-modified zeolite catalysts

1980-11-14

1982-09-14

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2936

Patent

active

043494617

ABSTRACT:
A modified zeolite catalyst useful for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a zeolite catalyst having a silica to alumina mole ratio of at least 12 and a constraint index of about 1-12, said catalyst having been modified by treatment with compounds of manganese and/or rhenium, and optionally phosphorus, to deposit a minor proportion of such elements on the zeolite.

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