Patent 7960600 was granted and assigned to Honeywell UOP on June, 2011 by the United States Patent and Trademark Office.
Meta-xylene is recovered from admixture with other C8 aromatic hydrocarbons including ortho-xylene by liquid phase adsorptive separation. Performance is improved by reducing the concentration of ortho-xylene through adding a sidecut to a prefractionator preparing the feedstock to adsorptive separation.