Aromatic hydrocarbon isomer separation process

Details Aromatic hydrocarbon isomer separation process Aromatic hydrocarbon isomer separation process

1975-12-18

1976-12-07

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

208310Z, C07C 713

Patent

active

039963063

ABSTRACT:
A process for the separation of the para-isomer from a hydrocarbon feed mixture comprising at least two bi-alkyl substituted monocyclic aromatic isomers, including the para-isomer, said isomers having from 8 to about 18 carbon atoms per molecule which process employs an adsorbent comprising a type Y zeolite essentially completely exchanged with a single cation selected from the group consisting of potassium, cesium, and rubidium. The feed mixture is passed through a bed of the adsorbent wherein the para-isomer is preferentially adsorbed within the adsorbent and thereafter recovered from the adsorbent.

REFERENCES:
patent: 3114782 (1963-12-01), Fleck et al.
patent: 3126425 (1964-03-01), Eberly et al.
patent: 3686342 (1972-08-01), Neuzil
patent: 3732325 (1973-05-01), Pharis et al.
patent: 3943184 (1976-03-01), Rosback

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