In one embodiment, the invention is to a process for producing a water stream comprising the steps of hydrogenating acetic acid to form a crude ethanol product and separating at least a portion of the crude ethanol product in at least one column of a plurality of columns into a distillate comprising ethanol and a residue comprising the water stream. The water stream preferably is essentially free of organic impurities other than acetic acid and ethanol.
申请公布号
EP2531475(A2)
申请公布日期
2012.12.12
申请号
EP20110703339
申请日期
2011.02.01
申请人
CELANESE INTERNATIONAL CORPORATION
发明人
HORTON, TRINITY;JEVTIC, RADMILA;JOHNSTON, VICTOR J.;SARAGER, LINCOLN;WARNER, R. JAY;WEINER, HEIKO