Process for the separation of ethylbenzene

Details Process for the separation of ethylbenzene Process for the separation of ethylbenzene

1975-07-14

1977-06-07

Spear, Jr., Frank A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

210 24, C07C 700

Patent

active

040284280

ABSTRACT:
An adsorptive separation process for separating ethylbenzene from a feed mixture comprising ethylbenzene and a plurality of xylene isomers, which process comprises contacting the feed mixture with an adsorbent comprising strontium exchanged type X or type Y zeolite, selectively adsorbing substantially all of the said xylene isomers to the substantial exclusion of the ethylbenzene and thereafter recovering high-purity ethylbenzene. A desorption step may be used to desorb the adsorbed xylene isomers. The process can be either in the liquid or vapor phase.

REFERENCES:
patent: 3686342 (1972-08-01), Neuzil
patent: 3917734 (1975-11-01), DERosset

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