2024 Annual Meeting

Presentation information

Oral presentation

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

[1B07-11] Residual Water Analysis

Tue. Mar 26, 2024 2:45 PM - 4:05 PM Room B (21Bildg.2F 21-204)

Chair:Yoichi Endo(NFD)

3:30 PM - 3:45 PM

[1B10] α-emitting nuclides analysis of the stagnant water including sediments in Fukushima Daiichi NPS

(10) Chemical state analysis of α-emitting nuclide particles obtained from stagnant water sludge sampled from Unit #1 and centralized radioactive waste treatment facility

*Chihiro Toyota1, Asahi Nitta1, Akane Usui1, Yoshihiro Sekio1, Koji Maeda1, Yoshikazu Koma1, Katsuhiro Konno2 (1. JAEA, 2. TEPCO HD)

Keywords:Fukushima Daiichi Nuclear Power Station, Stagnant water, Elemental analysis, Chemical form

1号機原子炉建屋トーラス室及び集中廃棄物処理施設の滞留水に含まれる固形のα核種の化学状態(化学形)の把握を目的として、各建屋の滞留水スラッジから採取したα核種含有粒子(U含有粒子)のTEM-EDX分析を実施し、U含有粒子中のU検出部はいずれも立方晶UO2の化学形であることを確認した。

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