Low pressure xylene isomerization

Details Low pressure xylene isomerization Low pressure xylene isomerization

1977-01-10

1978-07-18

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

208DIG2, C07C 1508

Patent

active

041015967

ABSTRACT:
Long on-stream periods of low pressure, vapor phase isomerization of xylenes is achieved in a system having tolerance of ethyl benzene in the charge by using a zeolite catalyst such as zeolite ZSM-5 at partial pressure of eight carbon atom aromatics below 100 pounds per square inch and temperature of 500.degree. F. to 800.degree. F.

REFERENCES:
patent: 3790471 (1974-02-01), Arganer et al.
patent: 3856873 (1974-12-01), Burress
patent: 4007231 (1977-02-01), Butter

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