Patents by Inventor Souichirou Okamura

Souichirou Okamura 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 removal of radioactive cesium and facility therefor
    Patent number: 9399598
    Abstract: To provide a method and an apparatus for removing radioactive cesium from waste containing radioactive cesium at low cost. A radioactive cesium removal apparatus 1 including: an incinerator 22 for burning an inflammable waste polluted with radioactive cesium; a suspension preheater 23 for, with the combustion exhaust gas G5 and a sensible heat of the incineration ash of a combustible C discharged from the incinerator, generating calcium oxide or/and magnesium oxide from a source of calcium oxide or/and a source of magnesium oxide, cyclones of the suspension preheater being arranged in multistages; a rotary kiln 21 for burning an inorganic substance S polluted with radioactive cesium together with the calcium oxide or/and the magnesium oxide and the incineration ash D3 including the radioactive cesium; and collectors 31, 32 for collecting cesium volatilized in the rotary kiln.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: July 26, 2016
    Assignee: Taiheiyo Cement Corporation
    Inventors: Tetsuo Ogiri, Souichirou Okamura, Kenichi Honma
  • METHOD FOR REMOVAL OF RADIOACTIVE CESIUM AND FACILITY THEREFOR
    Publication number: 20140343342
    Abstract: To provide a method and an apparatus for removing radioactive cesium from waste containing radioactive cesium at low cost. A radioactive cesium removal apparatus 1 including: an incinerator 22 for burning an inflammable waste polluted with radioactive cesium; a suspension preheater 23 for, with the combustion exhaust gas G5 and a sensible heat of the incineration ash of a combustible C discharged from the incinerator, generating calcium oxide or/and magnesium oxide from a source of calcium oxide or/and a source of magnesium oxide, cyclones of the suspension preheater being arranged in multistages; a rotary kiln 21 for burning an inorganic substance S polluted with radioactive cesium together with the calcium oxide or/and the magnesium oxide and the incineration ash D3 including the radioactive cesium; and collectors 31, 32 for collecting cesium volatilized in the rotary kiln.
    Type: Application
    Filed: October 30, 2012
    Publication date: November 20, 2014
    Applicant: TAIHEIYO CEMENT CORPORATION
    Inventors: Tetsuo Ogiri, Souichirou Okamura, Kenichi Honma