The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2014
Filed:
Feb. 21, 2013
Celanese International Corporation, Irving, TX (US);
Trinity Horton Hale, Houston, TX (US);
Radmila Wollrab, Pasadena, TX (US);
Victor J. Johnston, Houston, TX (US);
Lincoln Sarager, Houston, TX (US);
R. Jay Warner, Houston, TX (US);
Heiko Weiner, Pasadena, TX (US);
Celanese International Corporation, Dallas, TX (US);
Abstract
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.