Patents Assigned to Bluenox Japan Kabushiki Kaisha
  • Device and method for removing nitrogen oxides
    Patent number: 5336081
    Abstract: In a device for removing nitrogen oxides from exhaust gas of a combustion device by spraying a treatment agent capable of chemically reducing nitrogen oxides contained in the exhaust gas from an injector in a combustion chamber or an exhaust passage of the combustion device, the effectiveness of the treatment agent is optimized by detecting a combustion condition of the combustion device, and supplying water and at least one treatment agent in a selective and alternating manner according the detected combustion condition.
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: August 9, 1994
    Assignee: Bluenox Japan Kabushiki Kaisha
    Inventors: Hirohisa Saito, Jeremy P. Hoblyn, Etsuo Abe