Patent ID: 9725378
Date: 2017-08-08
CPC Classifications: C07C

Claim:
1. A process for producing p-xylene, the process comprising: (a) providing a first mixture comprising aromatic C (b) separating from the first mixture in a first stage: (c) conducting away at least a portion of the separated p-xylene; (d) reacting at least a portion of the p-xylene-depleted raffinate in the liquid phase to produce a first reactor effluent comprising aromatic C (e) separating from the first reactor effluent in a second separation stage a toluene-containing fraction and a xylene-enriched raffinate; (f) separating from the xylene-enriched raffinate an o-xylene-containing distillate; (g) recycling at least a portion of the o-xylene-containing distillate directly to the reacting in (d); (h) conducting away ≧50.0 wt. % of the ethylbenzene separated in (b)(iii); and (i) exposing ≦10.0 wt. % of aromatic C