Patents by Inventor Daisuke Saku

Daisuke Saku has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for treating exhaust gas
    Patent number: 6773555
    Abstract: The present invention relates to a flue gas treatment method and apparatus for removing sulfur oxides by injecting ammonia into flue gas containing sulfur oxides. In the flue gas treatment method for removing sulfur oxides contained in the flue gas using ammonia, the present invention is characterized in that ammonia is injected into the flue gas containing sulfur oxides to react sulfur oxides with ammonia to produce ammonium compounds containing ammonium sulfate, and after recovering the produced ammonium compounds from the flue gas, the flue gas is brought into contact with an absorption liquid to remove residual sulfur oxides and/or ammonia contained in the flue gas.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: August 10, 2004
    Assignee: Ebara Corporation
    Inventors: Masahiro Izutsu, Ryoji Suzuki, Shinji Aoki, Daisuke Saku, Kazuaki Hayashi