1-Alkyl-4-isopropylbenzene desorbents for para-xylene

Details 1-Alkyl-4-isopropylbenzene desorbents for para-xylene 1-Alkyl-4-isopropylbenzene desorbents for para-xylene

1977-08-18

1979-02-13

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 713

Patent

active

041395727

ABSTRACT:
Para-xylene is selectively adsorbed from a C.sub.8 aromatic hydrocarbon feed by a crystalline selective adsorbent, and then the para-xylene is subsequently desorbed by contacting the resulting adsorbent with a 1-(lower alkyl)-4-isopropylbenzene desorbent, wherein the lower alkyl group contains one to two carbon atoms. The desorbent effectively desorbs the para-xylene from the adsorbent, and the para-xylene may be produced as an enriched product.

REFERENCES:
patent: 3686342 (1972-08-01), Neuzil
patent: 3761533 (1973-09-01), Otani et al.
patent: 3903187 (1975-09-01), Geissler
patent: 3943184 (1976-03-01), Rosback

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