[3B05-08] Deburis 6

11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[3B06] Analysis of fuel debris obtained from inside the pedestal of Unit 2 of Fukushima Daiichi Nuclear Power Station(6) Chemical state and structural analysis of main constituent elements in fuel debris using synchrotron radiation

*Tohru Kobayashi¹, Masaaki Kobata¹, Hajime Tanida¹, Takuya Tsuji¹, Shohei Matsuda¹, Toru Kitagaki¹, Shingo Suzuki¹, Koji Maeda¹, Masato Mizokami², Shinya Mizokami² (1. JAEA, 2. TEPCO HD)

Keywords:

Fukushima Daiichi Nuclear Power Station,Debris,Synchrotron radiation,Chemical state,Crystal structure

Chemical state and crystal structure of the constituent elements (U, Zr, etc.) in the fuel debris were analyzed by synchrotron radiation, and changes in local state and constituent phases were characterized.