2018 Fall Meeting

Presentation information

Oral presentation

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

[1G01-04] Nuclide Separation and Recovery 1

Wed. Sep 5, 2018 10:00 AM - 11:10 AM Room G (A37 -A Building)

Chair:Akihiro Uehara(QST)

10:30 AM - 10:45 AM

[1G03] Realization Development of the Flexible Waste Management System for MA P&T Technology

(11)Chemical stability of the HLW granules produced under the candidate conditions

*Yusa Muroya1, Yaohiro Inagaki2, Tatsumi Arima2, Akihiro Suzuki3 (1. ISIR, Osaka Univ., 2. Kyushu Univ., 3. NFD)

Keywords:Flexible Waste Management, Environmental Burden Reduction, Chemical Stability, Radiolysis of nitrate, Corrosion Behavior

HLW顆粒体の貯蔵時化学的安定性については、顆粒体の放射線分解によるNOxやH2の発生、及びキャニスタの内面腐食が重要となる。現在までに得られた製造条件の異なる模擬顆粒体を用いたγ線照射試験及びキャニスタ材照射試験の結果を踏まえ、物性の異なる顆粒体の貯蔵時化学安定性の評価を行う。