Patent ID: 8431764
Filing Date: 2013-04-30
Classification: B01J,C07C

Abstract:
1. A process for the separation of para-xylene from a mixture of C 8 alkylaromatics, comprising contacting the mixture of C 8 alkylaromatics with a zeolitic binder-converted composition under adsorption conditions, the zeolitic binder-converted composition comprising: a. a zeolite X composition having at least a first zeolite X having a mean diameter not greater than 2.7 microns, as determined by sedigraph analysis, and a second zeolite X, wherein the second zeolite X is obtained by converting a binder material to the second zeolite X and the binder material is in a range from 5 to 30 wt % of the zeolite X composition, and b. an unconverted binder material content, after conversion to the second zeolite X is complete, in a range from 0 to 3 wt % of the zeolite X composition; wherein the zeolite X composition has