Patents Assigned to U.S. Filter/Illinois Water Treatment, Inc.
  • Bacteria removal by ceramic microfiltration
    Patent number: 5242595
    Abstract: The method of the present invention for separating bacteria includes passing a bacteria-containing liquid through a plural-coated-sintered inorganic membrane on a larger pore size inorganic ceramic support. By plural-coated-sintered is meant at least two sintered coatings of substantially similar pore size. The membrane on a ceramic support preferably includes a porous double-coated sintered ceramic oxide membrane on an alpha-alumina support.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: September 7, 1993
    Assignee: U.S. Filter/Illinois Water Treatment, Inc.
    Inventors: James R. Morgart, James L. Filson, Jeffery J. Peters, Ramesh R. Bhave