Patent ID: 6059970
Filing Date: 2000-05-09
Classification: B01D,G01N

Abstract:
A membrane separation device comprising:a cylindrical membrane support positioned between a top plate and a bottom plate and forming an inner chamber, said inner chamber having an intake feed connection;a cylindrical membrane positioned at an outer cylindrical surface of said cylindrical membrane support and between said top plate and said bottom plate;a surrounding cylindrical component spaced from said cylindrical membrane and positioned between said top plate and said bottom plate to form a cylindrical outer ring area, said outer ring area connected to said inner chamber by a circulation channel;said membrane support having permeate collection bores thereat in communication with said membrane, a permeate draw off connection connected with said permeate collection bores; anda circulation pump which is on its suction side connected with said inner chamber and on its pressure side with said outer ring area, said inner chamber receiving through said intake feed connection a substance of interest, said pressure side of said circulation pump connected with a draw off for extraction of concentrate.