Group IB metal modified zeolite catalysts

Details Group IB metal modified zeolite catalysts Group IB metal modified zeolite catalysts

1981-04-24

1983-02-15

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2930

Patent

active

043740456

ABSTRACT:
A zeolite catalyst composition suitable for para-selective conversion of substituted aromatic compounds, e.g., conversion of aromatics to dialkylbenzene compounds rich in the 1,4-dialkylbenzene 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 1-12, and a minor amount, e.g., at least 0.25 weight percent, of copper, silver and/or gold, and optionally phosphorus.

REFERENCES:
patent: 3013985 (1961-12-01), Breck et al.
patent: 3767568 (1973-10-01), Chen
patent: 4097367 (1978-06-01), Haag et al.
patent: 4128504 (1978-12-01), Plank et al.
patent: 4137195 (1979-01-01), Chu
patent: 4157293 (1979-06-01), Plank et al.
patent: 4170571 (1979-10-01), Ritscher
patent: 4273753 (1981-06-01), Chang
Patent Abstracts of Japan, vol. 3, No. 128 (C-62) Oct. 24, 1979, (Abstract of Japanese Application No. 53-13644).

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