Adsorbent for aromatic hydrocarbon mixture separation

Details Adsorbent for aromatic hydrocarbon mixture separation Adsorbent for aromatic hydrocarbon mixture separation

1976-03-15

1978-01-17

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

260674SA, B01J 2906

Patent

active

040691721

ABSTRACT:
An adsorbent for separating para-isomers from C.sub.8 or C.sub.10 aromatic hydrocarbons, specifically, a faujasite zeolite wherein about 2.5 to 25 percent, based on the total exchangeable cation sites originally present within the faujasite zeolite, is decationized and metal ions at the residual cation sites are exchanged substantially with potassium and/or barium ions. The adsorbent is used in separating the para-isomer, which is isolated by desorbing from the adsorbent.

REFERENCES:
patent: 3644200 (1972-02-01), Young
patent: 3647682 (1972-03-01), Rabo et al.
patent: 3878127 (1975-04-01), Rosback

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