Patent ID: 6893563
Filing Date: 2005-05-17
Classification: B01D

Abstract:
1. In a cross-flow filtration device comprising at least one permeate channel ( 1 ) for the collection of permeate and parallel to at least one overflow channel ( 2 ) wherein each overflow channel ( 2 ) is separated from each permeate channel ( 1 ) by a flexible polymeric membrane filter element ( 5 ) and each overflow channel ( 2 ) has at least one inlet ( 3 ) for liquid feed and at least one retentate outlet ( 4 ) and each permeate channel ( 1 ) has at least one permeate outlet ( 6 ) and wherein each retentate outlet ( 4 ) and each permeate outlet ( 6 ) are placed close to one another, the improvement comprising providing each permeate channel (