Shape selective reactions with cadmium-modified zeolite catalyst

Details Shape selective reactions with cadmium-modified zeolite catalyst Shape selective reactions with cadmium-modified zeolite catalyst

1981-11-04

1983-05-17

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585467, 585470, 585474, 585475, C07C 268

Patent

active

043841554

ABSTRACT:
A zeolite catalyst composition suitable for para-selective conversion of substituted aromatic compounds, i.e., conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkyl-benzene isomer. Such a composition comprises a zeolite catalyst component having a silica to alumina mole ratio of at least 12 and a constraint index of about 1 to 12, and a minor amount, e.g, at least 0.25 weight percent of the element cadmium and optionally the element phosphorus, said elements being present in the form of their oxides.

REFERENCES:
patent: 3926782 (1975-12-01), Plank et al.
patent: 4086287 (1978-04-01), Kaeding et al.

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