Process for extracting 2,5-dichlorotoluene from isomer mixtures

Details Process for extracting 2,5-dichlorotoluene from isomer mixtures Process for extracting 2,5-dichlorotoluene from isomer mixtures

1988-12-28

1990-05-01

Lone, Werren B.

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

Organic compounds

Halogen containing

C07C 1738, C07C 2502

Patent

active

049220403

ABSTRACT:
A process for separating the isomers of dichlorotoluene 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 L-type adsorbent having alkali metal cations, or mixtures thereof as cations and a desorbent containing 1,2-dichlorobenzene or chlorobenzene alone or either admixed with saturated aliphatic hydrocarbons having less than 9 carbon atoms.

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Chen et al., Chemical Engineering Progress Feb. 1988, pp. 32-40.

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