Process for the conversion of C.sub.8 aromatic hydrocarbons

Details Process for the conversion of C.sub.8 aromatic hydrocarbons Process for the conversion of C.sub.8 aromatic hydrocarbons

1977-05-18

1978-10-17

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

208DIG2, C07C 1508

Patent

active

041209087

ABSTRACT:
A C.sub.8 aromatic hydrocarbon mixture which typically may consist essentially of xylenes and ethylbenzene, the latter being present in an amount of not more than 40 weight percent, is converted to a product containing an increased proportion of p-xylene by bringing it into contact with an acid leached hydrogen form mordenite having a silica to alumina mole ratio of 15-21 at a temperature in the range of 180.degree. to 250.degree. C. under a pressure of atmospheric to 200 Kg/cm.sup.2. Hydrogen may be present in the system in a mole ratio of hydrogen to C.sub.8 aromatic hydrocarbon mixture of 0-10. The reaction may be conducted in the vapor phase or in the liquid phase.

REFERENCES:
patent: 3130006 (1964-04-01), Rabo
patent: 3856872 (1974-12-01), Morrison
patent: 3856873 (1974-12-01), Burress

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