Patents Represented by Law Firm Isner, Nims, Howes and Collison
  • Patent number: 3960687
    Abstract: Closed circuit process for effecting the selective removal of sulfur dioxide values from industrial waste gases or the like wherein a particularly constituted confined solution of mixed ammonium phosphates is exposed to absorbent contact with a sulfur dioxide bearing gas stream in an electrostatic force field followed by a thermally induced desorption of recoverable sulfur dioxide values therefrom and regeneration of the solution preparatory to reexposure thereof to the suflur dioxide bearing gas stream.
    Type: Grant
    Filed: October 29, 1973
    Date of Patent: June 1, 1976
    Assignee: U.S. Filter Corporation
    Inventors: Even Bakke, Michael Witte, Manankumar S. Mehta