Oral presentation

[2M01-05] Radiation Chemistry

Tue. Mar 27, 2018 9:30 AM - 10:50 AM Room M (M1-313 -M1 Building)

Chair: Hideyuki Hosokawa (Hitachi)

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9:30 AM - 9:45 AM

[2M01] Radiolysis of Water in the Presence of Metal Oxide Particles

*John McGrady¹, Shinichi Yamashita¹, Zishou Zhao¹, Zhengang Duan², Jingjie Shen¹, Huilong Yang¹, Sho Kano¹, Hiroaki Abe¹ (1. Nuclear Professional School, University of Tokyo, 2. Graduate School of Engineering, Tohoku University)

9:45 AM - 10:00 AM

[2M02] Estimation of Thermal Decomposition Rates of Hydrogen Peroxide in Aqueous Solution Systems of Coexisting Solid Materials

*Ryuji Nagaishi¹, Ryo Kuwano¹, Masao Inoue¹, Matsumura Taichi¹ (1. Japan Atomic Energy Agency)

10:00 AM - 10:15 AM

[2M03] Evaluation of Energy Spectra around Structural Materials in Radiation Environments

*Taichi Matsumura^2,1, Ryuji Nagaishi¹, Jun-ichi Katakura², Masahide Suzuki² (1. JAEA, 2. NUT)

10:15 AM - 10:30 AM

[2M04] Pulse radiolysis study on reaction of hydrogen atom with water molecule (H + H₂O → H₂ + OH) at high temperature

*Yusa Muroya¹, Wataru Kanamori¹, Shinichi Yamashita², Lertnaisat Phantira³, Sunuchakan Sanguanmith³, Jintana Meesungnoen³, Jean-Paul Jay-Gerin³, Yosuke Katsumura^2,4 (1. ISIR, Osaka Univ., 2. School of Eng., Univ. Tokyo, 3. Univ. Sherbrooke, 4. Japan Radioisotope Association)

10:30 AM - 10:45 AM

[2M05] Pulse radiolysis study on formation process of nanoparticles in organics-free platinum aqueous solution

*Miou Kariya¹, Yusa Muroya¹, Kazushige Ishida², Yoichi Wada², Tsuyoshi Ito², Nobuyuki Ota³, Shinichi Yamashita⁴, Takahiro Kozawa¹ (1. ISIR, Osaka Univ., 2. Hitachi, Ltd., Research and Development Group, 3. Hitachi-GE Nuclear Energy, Ltd., 4. School of Eng., Univ. Tokyo)

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

Oral presentation

[2M06-09] Corrosion Chemistry

Tue. Mar 27, 2018 10:50 AM - 12:00 PM Room M (M1-313 -M1 Building)

Chair: Yusa Muroya (Osaka Univ.)

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10:50 AM - 11:05 AM

[2M06] Formation of oxide deposition on solid surface in metallic aqueous solutions

*Masaya Kimoto¹, Hiroaki Abe¹, Sho Kano¹ (1. The University of Tokyo)

11:05 AM - 11:20 AM

[2M07] Development of suppression method for deposition of radioactivity and mitigation of corrosive environment

(10)Suppression effect of Co deposition by Ni coat with Pt particles on carbon steel.

*Hideyuki Hosokawa¹, Tsuyoshi Ito¹, Makoto Nagase², Mayu Sasaki² (1. Hitachi, Ltd., Research & Development Group, 2. Hitachi-GE Nuclear Energy, Ltd.)

11:20 AM - 11:35 AM

[2M08] Potential Dependency on Corrosion Characteristics of Stellite No.6

*Masahiko Tachibana¹, Hideyuki Hosokawa¹, Mayu Sasaki², Ryosuke Shimizu², Nobuyuki Ota² (1. Research & Development Group, Hitachi, Ltd., 2. Hitachi-GE Nuclear energy, Ltd.)

11:35 AM - 11:50 AM

[2M09] Anodic polarization simulation of structural materials of recirculation piping

*Nozomu Hatakeyama¹, Ryuji Miura¹, Ai Suzuki¹, Akira Miyamoto¹, Tsuyoshi Ito², Hideyuki Hosokawa², Mayu Sasaki³ (1. Tohoku University, 2. Hitachi, 3. Hitachi-GE Nuclear Energy)

Time reserved for Chair （11:50 AM - 12:00 PM）

Oral presentation

[2M10-13] Accident Chemistry 1

Tue. Mar 27, 2018 2:45 PM - 3:50 PM Room M (M1-313 -M1 Building)

Chair: Fumihiro Nakamori (Osaka Univ.)

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2:45 PM - 3:00 PM

[2M10] barrier performance of oxide layer for metallic fuel FCCI

*Takanori Tanigaki¹, Yuichi Tabata¹, Takeshi Doi¹, Koei Sasaki², Takashi Onitsuka¹, Ken-ichi Fukumoto¹ (1. University of fukui, Reserarch Institute of Nuclear Engineering, 2. Japan Atomic Energy Agency )

3:00 PM - 3:15 PM

[2M11] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(1)Cesium chemistry team formation and research plan

*Shinya Mizokami^4,2,1, Masahiko Ohsaka^4,2, Kenichi Ito¹, Hidetoshi Karasawa³, Takeshi Honda¹ (1. TEPCO HD, 2. IRID, 3. IAE, 4. JAEA)

3:15 PM - 3:30 PM

[2M12] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(2)Experimental investigation of Cs chemisorption behavior onto stainless steel

*Kunihisa Nakajima^2,1, Eriko Suzuki¹, Shunichiro Nishioka^2,1, Masahiko Osaka^2,1 (1. JAEA, 2. IRID)

3:30 PM - 3:45 PM

[2M13] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(3)Analysis of Cs chemisorption behavior onto stainless steel by mass transfer model

*Shunichiro Nishioka^2,1, Kunihisa Nakajima^2,1, Faoulat Miradji^2,1, Eriko Suzuki¹, Masahiko Osaka^2,1 (1. JAEA, 2. IRID)

Time reserved for Chair （3:45 PM - 3:50 PM）

Oral presentation

[2M14-17] Accident Chemitry 2

Tue. Mar 27, 2018 3:50 PM - 4:55 PM Room M (M1-313 -M1 Building)

Chair: Shinya Mizokami (TEPCO HD)

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3:50 PM - 4:05 PM

[2M14] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(4)Quantum modelling of Cs substances in the case of LWR severe accident

*Faoulat Miradji^2,1, Chikashi Suzuki¹, Kunihisa Nakajima^2,1, Masahiko Osaka^2,1 (1. JAEA, 2. IRID)

4:05 PM - 4:20 PM

[2M15] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(5)Simulation Study on Cs-bearing particle formation with vaporized Si and Cs

*Akihiro Suzuki¹, Kenichi Ito², Shunichiro Nishioka^4,3, Masahiko Osaka^4,3 (1. NFD, 2. TEPCO, 3. JAEA, 4. IRID)

4:20 PM - 4:35 PM

[2M16] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(6)Simulation study on microstructure of Cs-bearing particle

*Yuji Ohishi¹, Fumihiro Nakamori¹, Hiroaki Muta¹, Ken Kurosaki¹, Shinsuke Yamanaka¹, Takao Sakata¹, Kazuhisa Sato¹, Hidehiro Yasuda¹, Osaka Masahiko^3,2 (1. Osaka Univ., 2. Japan Atomic Energy Agency, 3. International Research Institute for Nuclear Decommissioning)

4:35 PM - 4:50 PM

[2M17] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(7)Leaching behavior of Zn, Si and other elements from inorganic Zn-rich paint

*Fumihiro Nakamori¹, Yuji Ohishi¹, Muta Hiroaki¹, Ken Kurosaki¹, Shinsuke Yamanaka¹, Masahiko Osaka^3,2 (1. Osaka University, 2. JAEA, 3. IRID)

Time reserved for Chair （4:50 PM - 4:55 PM）

Oral presentation

[2M18-21] Accident Chemistry 3

Tue. Mar 27, 2018 4:55 PM - 6:00 PM Room M (M1-313 -M1 Building)

Chair: Ryuji Nagaishi (JAEA)

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4:55 PM - 5:10 PM

[2M18] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(8)Behavior of Si in oxide layer on stainless steel

Lichun Zheng¹, Kazuya Hosoi¹, *Shigeru Ueda¹, Xu Gao¹, Shin-ya Kitamura¹, Yoshinao Kobayashi², Masahiko Ohsaka³ (1. IMRAM Tohoku University, 2. LANE Tokyo Institute of Technology, 3. JAEA)

5:10 PM - 5:25 PM

[2M19] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(9)Thermodynamics of evaporation of silicon compounds at high temperatures

*Yoshinao Kobayashi¹, Rizky Dwi Septian¹, Shigeru Ueda², Isamu Sato³, Masahiko Ohsaka⁴ (1. Tokyo Institute of Technology, 2. Tohoku University, 3. Tokyo City University, 4. Japan Atomic Energy Agency)

5:25 PM - 5:40 PM

[2M20] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(10)Phenomenological generation mechanisms of spherical cesium bearing particle

*Kenichi Ito¹, Akihiro Suzuki², Yuji Ohishi³, Fumihiro Nakamori³, Shiro Hikida¹, Kenichiro Nozaki¹, Takeshi Honda¹, Shinya Mizokami^5,4,1 (1. TEPCO, 2. NFD, 3. Osaka Univ., 4. JAEA, 5. IRID)

5:40 PM - 5:55 PM

[2M21] Investigation of in-reactor cesium chemical behavior in TEPCO’s Fukushima Daiichi Nuclear Power Station accident

(11)Analysis of samples from containment in Fukushima Daiichi NPS

*Masato Mizokami¹, Akihiro Suzuki², Koji Maeda³, Kenichi Ito¹, Ikken Sato^4,3, Shinya Mizokami^4,3,1 (1. TEPCO HD, 2. NFD, 3. JAEA, 4. IRID)

Time reserved for Chair （5:55 PM - 6:00 PM）

Sessions

IV. Nuclear Fuel Cycle and Nuclear Materials » 403-1 Reactor Chemistry, Radiation Chemistry, Corrosion, Water Chemistry,Water Quality Control

[2M01-05] Radiation Chemistry

[2M06-09] Corrosion Chemistry

(10)Suppression effect of Co deposition by Ni coat with Pt particles on carbon steel.

[2M10-13] Accident Chemistry 1

(1)Cesium chemistry team formation and research plan

(2)Experimental investigation of Cs chemisorption behavior onto stainless steel

(3)Analysis of Cs chemisorption behavior onto stainless steel by mass transfer model

[2M14-17] Accident Chemitry 2

(4)Quantum modelling of Cs substances in the case of LWR severe accident

(5)Simulation Study on Cs-bearing particle formation with vaporized Si and Cs

(6)Simulation study on microstructure of Cs-bearing particle

(7)Leaching behavior of Zn, Si and other elements from inorganic Zn-rich paint

[2M18-21] Accident Chemistry 3

(8)Behavior of Si in oxide layer on stainless steel

(9)Thermodynamics of evaporation of silicon compounds at high temperatures

(10)Phenomenological generation mechanisms of spherical cesium bearing particle

(11)Analysis of samples from containment in Fukushima Daiichi NPS

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