| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for removing radioactive cesium from waste containing the radioactive cesium at a low cost. <P>SOLUTION: A radioactive cesium removing apparatus 1 includes: an incinerator 22 for incinerating combustible waste contaminated with radioactive cesium; a suspension preheater 23 configured by a multistage array of cyclones to generate calcium oxide and/or magnesium oxide from a calcium oxide source and/or a magnesium oxide source by using sensible heat of flue gas G5 exhausted from the incinerator 22 and incinerated ash of combustible C; a rotary kiln 21 for burning inorganic substances S contaminated with the radioactive cesium together with the calcium oxide and/or magnesium oxide and incinerated ash D3; and collectors 31, 32 for collecting cesium volatilized in the rotary kiln 21. <P>COPYRIGHT: (C)2013,JPO&INPIT |
