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

1975-07-14

1976-12-21

Hart, Charles N.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

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

Patent

active

039989011

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: 3686342 (1972-08-01), Neuzil
patent: 3734974 (1973-05-01), Neuzil
patent: 3917734 (1974-07-01), DE Rosset

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