Degassing column

US4062662A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Bernhard Kuxdorf · Münstermaifeld, DE
• Karl Kaiser · Long Beach, US
• Kurt Wissel

Key dates

• Filing date: Nov 8, 1976
• Grant date: Dec 13, 1977
• Expiry date: Nov 8, 1996

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D19/0015
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

In a degassing column with several perforated plates arranged over one another and at a distance from one another in a column housing there is left free, between each plate and the column housing, a gap which is as small as possible and is uniform over the periphery, and the apertures in the plates have a diameter of less than 5 mm. Each plate is penetrated by at least one eccentrically arranged draining shaft, and at least one eccentrically arranged feed shaft ends above each plate. Finally, below each feed shaft on the plate an area is impermeable which is at least as large as the cross-section of the feed shaft.