Patent ID: 6156199
Filing Date: 2000-12-05
Classification: B01D,B01L,G01N,Y10T

Abstract:
A centrifugal liquid filtration apparatus for separating filtrate and concentrate from a solution capable of being used in a fixed angle or swinging bucket centrifuge rotor comprising:(a) a concentrate tube assembly capable of containing a solution therein, comprising;(i) a concentrate tube,(ii) a micro-porous filter element,(iii) a filter cover,(iv) a concentrate tube cap, and(v) a filtrate tube for collecting filtrate;(b) said concentrate tube assembly containing a first chamber capable of containing unfiltered liquid therein, said first chamber being divided into an upper part and a lower part;(c) a second chamber capable of collecting filtered liquid therein, said second chamber being in fluid flow relationship with the lower part of the first chamber;(d) a means for filtering liquid within the first chamber prior to flowing into the second chamber; and(e) a port leading from the second chamber into the interior of said filtrate tube, said port being disposed a sufficient distance above the bottom of the second chamber whereby the lower part of said first chamber is prevented from filtering to dryness.