1
John R Messick, William R Ackley, George D Moon Jr: Anhydrous ethanol distillation method and apparatus. Raphael Katzen Associates International, Merriam Marshall & Bicknell, December 27, 1983: US04422903 (112 worldwide citation)

An improved distillation method and apparatus are provided for recovering anhydrous ethanol from fermentation or synthetic feedstocks. The system includes at least one stripper-rectifier tower, a dehydrating tower, and an azeotropic agent stripping tower. Substantial energy savings are realized by o ...


2
Raphael Katzen, George D Moon Jr, Jimmy D Kumana: Distillation system for motor fuel grade anhydrous alcohol. Raphael Katzen Associates International, Merriam Marshall & Bicknell, August 12, 1980: US04217178 (32 worldwide citation)

An improved distillation method is provided for obtaining motor fuel grade anhydrous ethanol from fermentation or synthetic feedstocks. A three tower system is used comprising a stripper-rectifier tower in which the dilute feedstock is converted to a concentrated ethanol stream, a dehydrating tower ...


3

4