Apparatus for static membrane filtration

US4522713A · kind A · utility

Assignee

• Sartorius AG · DE

Inventors

• Dietmar Nussbaumer · Göttingen, DE
• Horst Perl · Göttingen, DE
• Khuong To Vinh · Göttingen, DE

Key dates

• Filing date: Nov 25, 1983
• Grant date: Jun 11, 1985
• Expiry date: Nov 25, 2003

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2313/16
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

In a filtration apparatus for fluids and liquids having an external vessel, in particular a centrifuge tube and a filter unit disposed in the liquid, the medium to be filtered is under excess pressure and in contact with the filter element of the filter unit and for the static membrane filtration on the outer side of the filtration unit facing the vessel bottom a filter membrane is arranged with the filtration-active layer towards the outside.