Process for separating ethylbenzene from xylenes by selective ad

Details Process for separating ethylbenzene from xylenes by selective ad Process for separating ethylbenzene from xylenes by selective ad

1984-10-29

1986-04-22

Doll, John

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

208310Z, C10G 2503, C07C 713

Patent

active

045844240

ABSTRACT:
The invention relates to a process for selectively adsorbing ethylbenzene from a stream containing one or more isomeric xylenes. The ethylbenzene is adsorbed on a Beta zeolite. Certain desorbents, of which paradiethylbenzene is preferred, give the zeolite good ethylbenzene selectively over the xylenes.

REFERENCES:
patent: 3308069 (1967-03-01), Wadlinger et al.
patent: 3686342 (1972-08-01), Neuzil
patent: 3793385 (1974-02-01), Bond et al.
patent: 3864416 (1975-02-01), Campbell et al.
patent: 3894109 (1975-07-01), Rosback

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