Oral presentation

[1D01-05] Chemistry of Cesium

Wed. Mar 20, 2019 2:45 PM - 4:05 PM Room D (Common Education Bildg. 2 1F No.12)

Chair:Ryuji Nagaishi(JAEA)

+Add all to schedule

2:45 PM - 3:00 PM

[1D01] Reaction Products Of Cs-adsorption On Concrete In The 600–150°C Temperature Range

*Thi Mai Dung Do¹, Vu Nhut Luu¹, Kenta Murakami¹, Hisayuki Suematsu¹, Kunihisa Nakajima², Shunichiro Nishioka², Eriko Suzuki², Faoulat Miradji², Masahiko Osaka² (1. Nagaoka University of Technology, 2. Japan Atomic Energy Agency)

3:00 PM - 3:15 PM

[1D02] Cs chemisorption behavior onto stainless steel during LWR severe accident

(1)Experimental study on Cs chemisorption behavior at temperature around 600℃

*Eriko Suzuki¹, Gaku Takase², Kunihisa Nakajima¹, Shunichiro Nishioka¹, Masahiko Osaka¹ (1. JAEA, 2. Nagaoka University of Technology)

3:15 PM - 3:30 PM

[1D03] Cs chemisorption behavior onto stainless steel during LWR severe accident

(2)Property change of Cs-chemisorbed deposit by temperature increase

*Shunichiro Nishioka¹, Gaku Takase¹, Kunihisa Nakajima¹, Eriko Suzuki¹, Masahiko Osaka¹ (1. JAEA)

3:30 PM - 3:45 PM

[1D04] Investigation of in-reactor cesium chemical behavior in TEPCO's Fukushima Daiichi Nuclear Power Station accident

(12)Analysis of nuclides in samples collected from primary containment vessel of Unit 1

*Kazuki Morishita^1,2, Takashi Onishi^1,2, Koji Maeda^1,2, Masato Mizokami³, Kenichi Ito³, Shinya Mizokami³ (1. IRID, 2. JAEA, 3. TEPCO HD)

3:45 PM - 4:00 PM

[1D05] Study on the influence of microorganism on fuel debris degradation

(1)Disintegration of simulant fuel debris by widespread bacteria

*Jiang LIU¹, Yuma DOTSUTA¹, Toru KITAGAKI¹, Naofumi KOZAI¹, Toshihiko OHNUKI^1,2 (1. Japan Atomic Energy Agency, 2. Tokyo Institute of Technology, Laboratory for Advanced Nuclear Energy)

Time reserved for Chair （4:00 PM - 4:05 PM）

Oral presentation

[1D06-10] Radiolysis, Corrosion Chemistry 1

Wed. Mar 20, 2019 4:05 PM - 5:25 PM Room D (Common Education Bildg. 2 1F No.12)

Chair:Yoshiyuki Kaji(JAEA)

+Add all to schedule

4:05 PM - 4:20 PM

[1D06] Measurement of Hydrogen Generation in Water Radiolysis by Low-Penatrating Radiations

*Ryuji Nagaishi¹, Ryo Kuwano¹, Taichi Matsumura¹ (1. Japan Atomic Energy Agency)

4:20 PM - 4:35 PM

[1D07] Pulse radiolysis- and gamma radiolysis-studies on formation process of nanoparticles in organics-free platinum colloidal aqueous solution

*Yusa Muroya¹, Miou Kariya¹, Kazushige Ishida², Yoichi Wada², Tsuyoshi Ito², Nobuyuki Ota³, Shinichi Yamashita⁴, Takahiro Kozawa¹ (1. ISIR, Osaka Univ., 2. Res. Develop. Gr, Hitachi Ltd., 3. Hitachi-GE NE Ltd., 4. Univ. Tokyo)

4:35 PM - 4:50 PM

[1D08] Improvement of the Model for Evaluating the Corrosive Environment in a Nuclear Power Plant

Evaluation of Radiolysis Products Behavior under the Condition Containing Impurities

*Takahiro Hara¹, Yusuke Horayama¹, Junichi Takagi¹, Seiji Yamamoto¹, Osamu Shibasaki¹ (1. Toshiba Energy Systems & Solutions )

4:50 PM - 5:05 PM

[1D09] Prototyping of Iron-Iron Oxide type Electrochemical Corrosion Potential Sensor for BWR.

*Masahiko Tachibana¹, Kazushige Ishida¹, Mayu Sasaki², Ryosuke Shimizu², Nobuyuki Ota² (1. Hitachi, Ltd. R&D Group, 2. HITACHI-GE Nuclear Energy, Ltd.)

5:05 PM - 5:20 PM

[1D10] Detailed observation of the oxide layer formed on Inconel with Zinc chemistry

*Akihiro Maeda¹, Noritaka Kogawa¹, Satoru Mukai¹, YUji Kosaka¹ (1. Nuclear Development Corporation)

Time reserved for Chair （5:20 PM - 5:25 PM）

Oral presentation

[2D01-06] Corrosion Chemistry 2

Thu. Mar 21, 2019 10:15 AM - 11:55 AM Room D (Common Education Bildg. 2 1F No.12)

Chair:Yusa Muroya(Osaka Univ.)

+Add all to schedule

10:15 AM - 10:30 AM

[2D01] Study of the accelerated corrosion of carbon steel in air-solution alternating condition

(1)Effect of the concentration of diluted seawater

*Takashi Tsukada¹, Kyohei Otani¹, Hiroshi Terakado¹, koei ebata¹, Fumiyoshi Ueno¹ (1. Japan Atomic Energy Agency)

10:30 AM - 10:45 AM

[2D02] Study of the accelerated corrosion of carbon steel in air-solution alternating environment

(2) Iron rust structure and the acceleration mechanism

*Kyohei Otani¹, Takashi Tsukada¹, Fumiyoshi Ueno¹, Masahiro Yamamoto¹ (1. JAEA)

10:45 AM - 11:00 AM

[2D03] Development of Corrosion Database under Radiation Environment

(1) Overview

*Yoshiyuki Kaji¹, Tomonori Sato¹, Kuniki Hata¹, Hiroyuki Inoue², Mitsumasa Taguchi³, Hajime Seito³, Eiji Tada⁴, Hiroshi Abe⁵, Eiji Akiyama⁵, Shunichi Suzuki⁶ (1. Japan Atomic Energy Agency, 2. Osaka Prefecture University, 3. National Institutes for Quantum and Radiological Science and Technology, 4. Tokyo Institute of Technology, 5. Tohoku University, 6. University of Tokyo)

11:00 AM - 11:15 AM

[2D04] Development of Corrosion Database under Radiation Environment

(2) Development of data set and database for radiolysis Calculation

*Kuniki Hata¹, Tomonori Satoh¹, Yoshiyuki Kaji¹, Hiroyuki Inoue², Mitsumasa Taguchi³, Hajime Seitoh³, Eiji Tada⁴, Hiroshi Abe⁵, Eiji Akiyama⁵, Shunichi Suzuki⁶ (1. JAEA, 2. Osaka Prefecture University, 3. QST, 4. Tokyo Institute of Technology, 5. Tohoku University, 6. the University of Tokyo)

11:15 AM - 11:30 AM

[2D05] Development of Corrosion Database under Radiation Environment

(3) Construction of corrosion test environment in gamma-ray irradiation and Influence of gamma irradiation on de-passivation of carbon steel

*Tomonori Sato¹, Mitsumasa Taguchi², Hajime Seito², Eiji Tada³, Hiroyuki Inoue⁴, Hiroshi Abe⁵, Eiji Akiyama⁵, Shunichi Suzuki⁶, Kuniki Hata¹, Yoshiyuki Kaji¹ (1. JAEA, 2. QST, 3. Tokyo Institute of Technology, 4. Osaka Prefecture University, 5. Tohoku University, 6. The University of Tokyo)

11:30 AM - 11:45 AM

[2D06] Development of Corrosion Database under Radiation Environment

(4)Effect of gamma ray irradiation on corrosion behavior of carbon steel under wet/dry environment

*Hiroshi Abe¹, Eiji Akiyama¹, Mitsumasa Taguchi², Hajime Seitou², Hiroyuki Inoue³, Eiji Tada⁴, Syunichi Suzuki⁵, Tomonori Sato⁶, Kuniki Hata⁶, Yoshiyuki Kaji⁶ (1. Tohoku University, 2. QST, 3. Osaka Prefecture University, 4. Tokyo Institute of Technology, 5. The University of Tokyo, 6. JAEA)

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

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 503-1 Reactor Chemistry, Radiation Chemistry, Corrosion, Water Chemistry,Water Quality Control

[1D01-05] Chemistry of Cesium

[1D01] Reaction Products Of Cs-adsorption On Concrete In The 600–150°C Temperature Range

[1D02] Cs chemisorption behavior onto stainless steel during LWR severe accident

(1)Experimental study on Cs chemisorption behavior at temperature around 600℃

[1D03] Cs chemisorption behavior onto stainless steel during LWR severe accident

(2)Property change of Cs-chemisorbed deposit by temperature increase

[1D04] Investigation of in-reactor cesium chemical behavior in TEPCO's Fukushima Daiichi Nuclear Power Station accident

(12)Analysis of nuclides in samples collected from primary containment vessel of Unit 1

[1D05] Study on the influence of microorganism on fuel debris degradation

(1)Disintegration of simulant fuel debris by widespread bacteria

[1D06-10] Radiolysis, Corrosion Chemistry 1

[1D06] Measurement of Hydrogen Generation in Water Radiolysis by Low-Penatrating Radiations

[1D07] Pulse radiolysis- and gamma radiolysis-studies on formation process of nanoparticles in organics-free platinum colloidal aqueous solution

[1D08] Improvement of the Model for Evaluating the Corrosive Environment in a Nuclear Power Plant

Evaluation of Radiolysis Products Behavior under the Condition Containing Impurities

[1D09] Prototyping of Iron-Iron Oxide type Electrochemical Corrosion Potential Sensor for BWR.

[1D10] Detailed observation of the oxide layer formed on Inconel with Zinc chemistry

[2D01-06] Corrosion Chemistry 2

[2D01] Study of the accelerated corrosion of carbon steel in air-solution alternating condition

(1)Effect of the concentration of diluted seawater

[2D02] Study of the accelerated corrosion of carbon steel in air-solution alternating environment

(2) Iron rust structure and the acceleration mechanism

[2D03] Development of Corrosion Database under Radiation Environment

(1) Overview

[2D04] Development of Corrosion Database under Radiation Environment

(2) Development of data set and database for radiolysis Calculation

[2D05] Development of Corrosion Database under Radiation Environment

(3) Construction of corrosion test environment in gamma-ray irradiation and Influence of gamma irradiation on de-passivation of carbon steel

[2D06] Development of Corrosion Database under Radiation Environment

(4)Effect of gamma ray irradiation on corrosion behavior of carbon steel under wet/dry environment

Authentication