Adsorptive separation of aromatic isomers

Details Adsorptive separation of aromatic isomers Adsorptive separation of aromatic isomers

B - Operations, Transporting

01

J

252/2.E, 182/6.5

B01J 20/18 (2006.01) C07C 7/13 (2006.01) C10G 25/03 (2006.01)

Patent

CA 1153745

ABSTRACT An adsorptive separation process is disclosed for separating para-aromatic isomers from a hydrocarbon feed containing a mixture of aromtic isomers, using a crystalline aluminosilicate adsorbent which has been treated with an alkyl amine preferably an alkyl amine hydrochloride. The alkyl amine treatment substantially increases the selectivity of the adsorbent for the para-xylene isomer, relative to the heavy desorbent p-DEB, thereby improving the efficiency of the separation process.

379542

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