Xylene isomerization process

Details Xylene isomerization process Xylene isomerization process

1976-08-26

1977-08-02

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

203 28, 203 29, 203 71, 260674SA, C07C 1508

Patent

active

040395995

ABSTRACT:
A process for the production of paraxylene by the catalytic isomerization of xylenes wherein the reaction zone effluent is fractionated in three columns in series with the overhead product of the second column in the series being sent to a paraxylene separation zone, C.sub.9 hydrocarbons being rejected as the bottoms product of the third column, and the overhead product of the third column being combined with the raffinate stream of the paraxylene separation zone and recycled to the isomerization zone.

REFERENCES:
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patent: 2640804 (1953-06-01), Whitney
patent: 2892001 (1959-06-01), Wallin
patent: 2899474 (1959-08-01), Ricards
patent: 3078318 (1963-02-01), Berger
patent: 3553276 (1971-01-01), Berger
patent: 3624172 (1971-11-01), Adams
patent: 3626020 (1971-12-01), Neuzil
patent: 3636121 (1972-01-01), Stine et al.
patent: 3770841 (1973-11-01), Meyers
patent: 3773846 (1973-11-01), Berger

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