Patent ID: 8323456
Filing Date: 2012-12-04
Classification: C10C,C10G,C11B,Y02P

Abstract:
1. A process for producing bio-oil, said process comprising: (a) combining a bio-oil comprising bound water with an azeotrope agent to thereby provide a treated bio-oil, wherein said azeotrope agent comprises one or more C (b) subjecting said treated bio-oil to azeotropic distillation in an azeotropic distillation column to thereby provide a water-rich overhead stream and a water-depleted bio-oil stream, wherein said water-rich overhead stream comprises an azeotrope of water and said azeotrope agent, wherein said water-rich overhead stream comprises at least 75 weight percent of the bound water originally present in said bio-oil; and (c) subsequent to step (b), adding an amine to said water-depleted bio-oil stream.