Reactions involving zeolite catalysts modified with group IV A m

Details Reactions involving zeolite catalysts modified with group IV A m Reactions involving zeolite catalysts modified with group IV A m

1980-10-29

1981-11-24

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585466, 585470, 585474, 585475, C07C 268, C07C 522, C07C 552

Patent

active

043026206

ABSTRACT:
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of 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 Group IV A (Ti, Zr, Hf), and optionally phosphorus, to deposit a minor proportion of such elements on the zeolite.

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