Process for the separation of ethylbenzene

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

1976-09-30

1978-08-22

Hart, Charles N.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

210 24, 210 30R, C07C 1528, C07C 1530

Patent

active

041089154

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: 3732325 (1973-05-01), Phavis et al.
patent: 3998901 (1976-12-01), Neuzil et al.

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