Patent ID: 6730229
Filing Date: 2004-05-04
Classification: B01J

Abstract:
A process for demineralizing a process fluid comprising the steps of:providing a vessel having an inner chamber containing an ion exchange demineralizing processing medium to which fluid can pass; introducing a process fluid into the chamber; providing a manifold including a plurality of nozzles in said demineralizing medium in communication with an outlet, each of the nozzles including an outer screen defining an interior cavity, the screen having a plurality of screen opening having a collective screen opening are, a duct, and an elongated hollow flow restrictor having a longitudinal axis and being disposed in said interior cavity, said hollow flow restrictor having at least one orifice providing fluid communication between the duct and the interior cavity, said at least one orifice being disposed at an angle other than perpendicular to said longitudinal axis and having a collective orifice area less than the screen opening area; and drawing process fluid through the at least one orifice of said restrictor during processing for creating a pressure differential across said at least one restrictor orifice such that a distinct directional flow of said fluid is caused through said at least one orifice and in said interior cavity.