Method for removal of radioactive cesium and facility therefor

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United States of America Patent

PATENT NO 9399598
APP PUB NO 20140343342A1
SERIAL NO

14357519

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
TAIHEIYO CEMENT CORPORATION1-1-1 KOISHIKAWA BUNKYO-KU TOKYO 112-8503

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Honma, Kenichi Chiba, JP 6 3
Ogiri, Tetsuo Minato-Ku, JP 3 15
Okamura, Souichirou Minato-Ku, JP 1 1

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