Shape selective reactions with berylium-modified zeolite catalys

Details Shape selective reactions with berylium-modified zeolite catalys Shape selective reactions with berylium-modified zeolite catalys

1980-02-25

1981-04-07

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585470, 585474, 585475, C07C 268

Patent

active

042608430

ABSTRACT:
A process 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 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 beryllium, and optionally phosphorus, to deposit a minor proportion of such elements on the zeolite.

REFERENCES:
patent: 3965208 (1976-06-01), Butter et al.
patent: 3972832 (1976-08-01), Butter et al.
patent: 3979472 (1976-09-01), Butter
patent: 4002697 (1977-01-01), Chen
patent: 4034053 (1977-07-01), Kaeding et al.
patent: 4052476 (1977-10-01), Morrison et al.
patent: 4067920 (1978-01-01), Kaeding
patent: 4101597 (1978-07-01), Breckenridge
patent: 4117026 (1978-09-01), Haag et al.
patent: 4128592 (1978-12-01), Kaeding
patent: 4137195 (1979-01-01), Chu

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