Zeolite catalyst for the liquid phase alkylation and transalkyla

Details Zeolite catalyst for the liquid phase alkylation and transalkyla Zeolite catalyst for the liquid phase alkylation and transalkyla

1994-12-14

1997-02-04

Lewis, Michael

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585463, 585470, 585475, C07C 270

Patent

active

056000502

ABSTRACT:
Disclosed is a modified zeolite catalyst for the liquid phase alkylation and transalkylation of benzene comprising 30 to 70% by weight of H-beta zeolite with a silicon to aluminium ratio of 20 to 40; 0.5 to 10% by weight of halogen; and .gamma.-Al.sub.2 O.sub.3 of the balance. Also disclosed a method for preparing the said catalyst comprising adding a halogen-containing compound to a mixture of H-beta zeolite and a precursor of .gamma.-Al.sub.2 O.sub.3, forming followed by calcining.

REFERENCES:
patent: 4891458 (1990-06-01), Innes et al.
patent: 5430198 (1995-07-01), Knitton et al.

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