Patent ID: 6017454
Filing Date: 2000-01-25
Classification: B01D

Abstract:
A filtration unit for the separation of substances from liquids comprising:(a) a housing with a feed inlet, a permeate plenum and a permeate outlet;(b) a cylindrical module rotatable about its longitudinal axis and disposed within said housing and having a liquid permeable wall having outer and inner sidewalls;(c) a filter element disposed within said cylindrical module and comprising at least one band of microporous membrane adsorber, said membrane adsorber having a specific adsorption affinity for said substances to be separated and abutting said liquid permeable wall, there being no sealant between said membrane adsorber and said housing; and(d) said outer sidewall being adjacent said housing and said inner sidewall abutting said adsorberwherein said permeate plenum is located between the wall of said housing and the exterior of said module.