| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2018: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2017: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
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| Outline of Final Research Achievements |
The purpose of this study was to develop advanced separation and removal technology of harmful trace elements contained in solid waste by halogenation volatilization method. Removal by chlorine or bromide volatilization was examined for about 30 elements such as Cs, Co and Eu contained in combustion ash. Chlorinated volatilization was applied to the contained radioactive cesium (137-Cs) soil samples and clinker collected in Fukushima Prefecture. As a result, it was shown that the value of 137-Cs contained in the sample decreased to about 10% of the original value when treated at a temperature above 1100℃.
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