Alkyl aromatic isomerization

Details Alkyl aromatic isomerization Alkyl aromatic isomerization

1977-05-31

1978-12-05

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260668R, 252455Z, C07C 1508

Patent

active

041285913

ABSTRACT:
Disclosure is made of an improved catalyst and process for producing a near equilibrium mixture of xylenes from a feedstream comprising ethylbenzene and mixed xylenes. The catalyst combines a platinum-containing hydrogenation-dehydrogenation component on an alumina support with a form of hydrogen mordenite having less than about 0.3 equivalents of alkali and alkaline earth metal cations per gram-atom of aluminum and a silica to alumina mol ratio greater than about 9-11 to 1 and less than about 17 to 1.

REFERENCES:
patent: 3409686 (1968-11-01), Mitsche
patent: 3767721 (1973-10-01), Sonoda et al.

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