| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
In a fusion reactor facility where a large amount of radioactive tritium is used as a fuel, it is mandatory to maintain the performance of detritiation system to control the release of tritium into the environment. Even during an event of fire in the facility, the detritiation efficiency of detritiation system shall keep above the required value. The detritiation system consists of catalyst reactors for tritium oxidation and tritium collection devices such as water adsorption tower for removal of tritiated vapor generated by oxidation of tritium. The elemental technology for catalyst and vapor absorber to mitigate the impact of impurity gas produced in a fire event on detritiation efficiency has been successfully developed. By application of the developed technology, the achievement of overall detritiation efficiency above the required value under fire simulated condition was successfully demonstrated using the integrated detritiation system.
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