Patent ID: 6558545
Filing Date: 2003-05-06
Classification: B01D

Abstract:
A system for cross-flow filtration of fluid media, comprising:an enclosure having an inlet port for untreated media and an outlet port for retentate; a first disc in said enclosure, wherein said first disc is a membrane having a first radial interior channel to a first hollow shaft that runs through an axis of said first disc, and wherein said first hollow shaft has an end that protrudes through said enclosure and provides an outlet port for permeate that flows through said first disc; a second disc in said enclosure, having a second radial interior channel to a second hollow shaft that runs through an axis of said second disc, wherein said first disc and said second disc are positioned offset to one another to have a region of overlap therebetween; wherein said second hollow shaft has an end that protrudes through said enclosure and provides an inlet for a medium that is discharged through openings in said second disc into said region of overlap; and wherein said discharge agitates said fluid media in said region of overlap to minimize settling of said retentate on said first disc.