Patent ID: 6022474
Filing Date: 2000-02-08
Classification: B01D

Abstract:
A system for separating liquid from a liquid containing composition, the system comprising a vercally oriented conduit having a conduit wall surrounding an internal passageway, said conduit wall having an intexior surface and an exterior surface, an inlet to and an outlet from said internal passageway, a plurality of apertures in said conduit wall, an upper wall section and a lower wall section surrounding each aperture, each wall section having an outwardly tapering configuration extending from said interior surface to said exterior surface which that the aperture area on said interior surface of said conduit wall is smaller than the aperture area on said exterior surface of said conduit wall said lower wall section tapering outwardly at an angle with respect to the horizontal which is greater than angle formed by said upper wall section such that liquid flow on said outer surface is substantially prevented from flowing back through said apertures to said internal passageway.