2021 Fall Meeting

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Oral presentation

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

[2A01-04] Stabilization & Immobilization 1

Thu. Sep 9, 2021 9:30 AM - 10:45 AM Room A

chair: Yoshihisa Kaneda (Taiheiyo Consultant)

10:15 AM - 10:30 AM

[2A04] Development of stable solidification technique of ALPS sediment wastes by apatite ceramics

(9)Engineer scale experiment of apatite solidification from the simulated carbonate waste

*Takatoshi Hjikata1, Shun Kanagawa1, Masahiko Nakase2, Kazuo Utsumi2, Kenji Takeshita2 (1. CRIEPI, 2. Tokyo Tech)

Keywords:ALPS sediment wastes, Carbonate precipitation, Apatite, Solidification, Engineer scale experiment

模擬ALPS炭酸沈殿物とリン酸ニ水素アンモニウム(約1.5 ㎏)を出発物質として、小規模プロセス試験で開発したプロセス(合成、洗浄、加熱、固化)を用いて、工学規模のアパタイト固化体を作製し、667 gの固化体が得られた。