Patent ID: 7439412
Filing Date: 2008-10-21
Classification: C07C

Abstract:
1. A process for producing a PX-rich product, the process comprising: (a) separating a feedstock containing C (b) separating at least a first portion of the C (c) isomerizing at least a portion of the first PX-depleted stream to produce a first isomerized stream having a higher PX concentration than the first PX-depleted stream; (d) separating a second portion of the C (e) isomerizing at least a portion of the second PX-depleted stream to produce a second isomerized stream having a higher PX concentration than the second PX-depleted stream; (f) recovering at least a portion of the first and second PX-rich streams as PX-rich product; and (g) supplying at least a portion of the second isomerized stream to the separating (a).