A New blanket tritium recovery experiment with intense DT neutron source at JAEA/FNS

Ochiai, Kentaro; Edao, Yuki; Hoshino, Tsuyoshi; Kawamura, Yoshinori; Ota, Masayuki; Kwon, Saerom; Konno, Chikara  

We have performed the tritium release experiment on the fusion reactor blanket at JAEA/FNS since 2009, and then clarified the ratio of tritium release and the recovered tritium chemical form. In order to acquire the more detail tritium recovery performances, we have started a new blanket tritium recovery experiment with ionization chamber (IC) at JAEA/FNS. For the appropriate tritium measurement with IC, we improved the experimental container and carried out with an intense DT neutron source at JAEA/FNS. From our new experiment, the tritium recovery radioactivity from the LSC measurement corresponds with the calculation within 6%. However, it was pointed out that the further improvement on the quantitative tritium measurement by IC method was needed.