Session information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-1 Radioactive Waste Management

[2I01-05] Waste Management 1

Tue. Mar 14, 2023 9:30 AM - 10:50 AM Room I (13 Bildg.1F 1313)

Chair:Tsuyoshi Usami(CRIEPI)

9:30 AM - 9:45 AM

[2I01] α-emitting nuclides analysis of the stagnant water including sediments in Fukushima Daiichi NPS

(1) α-emitting nuclides in the stagnant water at the unit 3 reactor of Fukushima Daiichi NPS

Kazuki Ouchi¹, *Toshitaka Oka¹, Takumi Yomogida¹, Shiori Morii¹, Yoshihiro Kitatsuji¹, Yoshikazu Koma¹, Katsuhiro Konno² (1. JAEA, 2. TEPCO HD)

9:45 AM - 10:00 AM

[2I02] α-emitting nuclides analysis of the stagnant water including sediments in Fukushima Daiichi NPS

(2) Detection of fine particle containing α-emitters by SEM-EDX and alpha Track

*Takumi Yomogida¹, Kazuki Ouchi¹, Shiori Morii¹, Toshitaka Oka¹, Yoshihiro Kitatsuji¹, Yoshikazu Koma¹, Katuhiro Konno² (1. JAEA, 2. TEPCO HD)

10:00 AM - 10:15 AM

[2I03] α-emitting nuclides analysis of the stagnant water including sediments in Fukushima Daiichi NPS

(3) Chemical state analysis of α-emitting nuclide particles obtained from unit #3 stagnant water sludge

*Akane Usui¹, Yukako Yamaguchi¹, Yoshihiro Sekio¹, Koji Maeda¹, Yoshikazu Koma¹, Katsuhiro Konno² (1. JAEA, 2. TEPCO HD)

10:15 AM - 10:30 AM

[2I04] α-emitting nuclides analysis of the stagnant water including sediments in Fukushima Daiichi NPS

(4) Fe analysis of particulate solids in the stagnant water with Mössbauer spectroscopy

*Kazuki Ouchi¹, Masami Nakada¹, Takumi Yomogida¹, Toshitaka Oka¹, Yoshikazu Koma¹, Yoshihiro Kitatsuji¹ (1. JAEA)

10:30 AM - 10:45 AM

[2I05] α-emitting nuclides analysis of the stagnant water including sediments in Fukushima Daiichi NPS

(5) Estimation of Pu and Am behavior in the stagnant water of Unit #3 reactor

*Ayako Nitta^1,2, Hiroshi Hinai^1,2, Shinichi Kitawaki^1,2, Yoshikazu Koma^1,2 (1. JAEA, 2. IRID)

Time reserved for Chair (10:45 AM - 10:50 AM)

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