Process for separating halogen substituted toluene isomers

Details Process for separating halogen substituted toluene isomers Process for separating halogen substituted toluene isomers

1985-04-15

1988-12-27

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C07C 1738

Patent

active

047942029

ABSTRACT:
A process for separating the para and ortho isomers of a halogen substituted toluene from a feed mixture of the same. Separation of the isomers is effected by selective adsorption and desorption and is susceptible to various flow schemes for performing continuous adsorptive separations. The process uses an X type zeolite adsorbent having calcium, barium, potassium, or combinations thereof as cations and a mixed desorbent containing chlorobenzene and/or bromobenzene and alicyclic hydrocarbons.

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