Separation of ethylbenzene with an adsorbent comprising SR and K

Details Separation of ethylbenzene with an adsorbent comprising SR and K Separation of ethylbenzene with an adsorbent comprising SR and K

1976-09-27

1978-03-14

Levine, Herbert

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

208310Z, C07C 713

Patent

active

040790940

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 and potassium 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: 3715409 (1973-02-01), Broughton
patent: 3867470 (1975-02-01), Grinsven et al.
patent: 3969276 (1976-07-01), Rosback

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