Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-3 Decommissioning Technology of Nuclear Facilities

[1G01-07] Decommissioning of Accident NPP

Mon. Mar 13, 2023 10:00 AM - 11:55 AM Room G (13 Bildg.1F 1311)

Chair:Yukihiro IGUCHI(Univ. of Fukui)

10:00 AM - 10:15 AM

[1G01] Current Status of “the Cooperative Research Division on Innovative Technologies for 1F Decommissioning in the Center for Fundamental Research on Nuclear Decommissioning, Tohoku University”

*Takayuki Aoki¹, Koji Dozaki¹, Yutaka Watanabe¹ (1. Tohoku University)

10:15 AM - 10:30 AM

[1G02] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(8) Effects of leaching Treatment on Microstructure of Hardened Cement Pastes

*Yuka Morinaga¹, Daisuke Minato¹, Keisuke Matsumoto², Shinichiro Uematsu², Toru Nagaoka¹, Naoko Watanabe², Tamotsu Kozaki² (1. Central Research Institute of Electric Power Industry, 2. Hokkaido Univ.)

10:30 AM - 10:45 AM

[1G03] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(9) Sorption behavior of Cs-137 on Hardened Cement Pastes altered by different leaching treatments

*Keisuke Matsumoto¹, Kyoya Watanabe¹, Shinichiro Uematsu¹, Naoko Watanabe¹, Tamotsu Kozaki¹, Yuka Morinaga², Daisuke Minato², Toru Nagaoka² (1. Hokkaido Univ., 2. CRIEPI)

10:45 AM - 11:00 AM

[1G04] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(10) Effects of Alteration by Leaching Treatment on Diffusion of Acetate Ions in Hardened Cement Paste

*Koike Hiromichi¹, Uematsu Shinichiro¹, Watanabe Naoko¹, Kozaki Tamotsu¹, Morinaga Yuka², Minato Daisuke², Nagaoka Toru² (1. Hokkaido Univ., 2. CRIEPI)

11:00 AM - 11:15 AM

[1G05] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(11)Diffusivity Evaluation of Strontium Ion in Cementitious Materials by Electro Migration Test

*Tomoki Miura¹, Katsufumi Hashimoto¹, Takafumi Sugiyama¹, Yingyao Tan¹ (1. Hokkaido Univ.)

11:15 AM - 11:30 AM

[1G06] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(12) Calculation of Radionuclide Concentration Distribution

*Daisuke Kawasaki¹, Nishino Nishino¹, Naoko Watanabe², Yoshikazu Koma³ (1. Univ. of Fukui, 2. Hokkaido Univ., 3. JAEA)

11:30 AM - 11:45 AM

[1G07] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(13) Consideration for Formulation and Evaluation of Waste Management Scenarios

*Naoko Watanabe¹, Satoshi Yanagihara², Daisuke Kawasaki², Yoshikazu Koma³, Tamotsu Kozaki¹ (1. Hokkaido Univ., 2. Univ. of Fukui, 3. JAEA)

Time reserved for Chair (11:45 AM - 11:55 AM)

Session information