Dividing wall column for continuous fractionation of multicomponent mixtures by distillation

US5914012A · kind A · utility

Assignee

• BASF SE

Inventors

• Gerd Kaibel · Lampertheim, DE
• Manfred Stroezel · Ilvesheim, DE
• Udo Rheude · Otterstadt, DE

Key dates

• Filing date: Apr 21, 1997
• Grant date: Jun 22, 1999
• Expiry date: Apr 21, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S261/72
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A dividing wall column for separating a mixture into 3 or more fractions by distillation is described, where at least one dividing wall is detachably attached within the dividing wall column.