Process for producing ethanol

US4692218A · kind A · utility

Assignee

• Fried Krupp · DE

Inventors

• Heinz Houben · Zürich, CH
• Hans U. Petzoldt · Leverkusen, DE
• Joachim Stegemann · Kornwestheim, DE

Key dates

• Filing date: Mar 3, 1983
• Grant date: Sep 8, 1987
• Expiry date: Mar 3, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S203/14
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Method and apparatus are provided for simultaneously producing various forms of alcohol, including ethanol, which can likewise be withdrawn from the apparatus simultaneously. To this end, successive columns in the individual processing stages, each of which includes distillation, rectification, purification and dehydration, are connected in parallel for product flow but in series for energy flow and conservation.