[2H01-05] Hydrogen Generation, Boiling and Drying out Accident

[2H01] Investigation on the temperature dependence of G value of H₂ in Reprocessing Solutions

(5) Experimental apparatus and its validation test for measuring radiolytic H₂ production from aqueous plutonium nitrate solution

*Yuta Kumagai¹, Kanichi Oyama², Tomonori Sato¹, Yasuhiro Ishijima¹, Mitsumasa Taguchi³, Masayuki Watanabe¹, Yuma Abe^1,2, Masanao Nakano², Yoshikazu Tamauchi² (1. JAEA, 2. JNFL, 3. QST)

Keywords:Nuclear fuel reprocessing, Water radiolysis, Hydrogen, Temperature dependence, Nitric acid

Radiolysis of water generates H₂ gas. The radiolytic H₂ production inevitably goes on when an aqueous solution contains radioactive nuclides such as plutonium nitrate solution in the nuclear fuel reprocessing. In order to obtain experimental data for the H₂ safety assessment, we carried our measurements of H₂ production from the aqueous plutonium nitrate solution at elevated temperatures. In this presentation, we will talk about experimental apparatus and results of a validation test of the apparatus using Co-60 gamma source.