Taiheiyo Cement Corporation

Souichirou Okamura

Tetsuo Ogiri

Kenichi Honma

To provide a method and an apparatus for removing radioactive cesium from waste containing radioactive cesium at low cost. A radioactive cesium removal apparatusincluding: an incineratorfor burning an inflammable waste polluted with radioactive cesium; a suspension preheaterfor, with the combustion exhaust gas Gand 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 kilnfor burning an inorganic substance S polluted with radioactive cesium together with the calcium oxide or/and the magnesium oxide and the incineration ash Dincluding the radioactive cesium; and collectorsfor collecting cesium volatilized in the rotary kiln.

Growing community of inventors

Minato-ku, Japan

Souichirou Okamura