Oral presentation

[1F01-03] Low-radioactive Waste Treatment

Wed. Sep 16, 2020 10:00 AM - 11:00 AM Room F (Zoom room 6)

Chair:Koichi Uozumi(CRIEPI)

10:00 AM - 10:15 AM

[1F01] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(27)Study on Cs and Sr adsorption process in LWTF

*Shoji Kataoka¹, Masato Takano¹, Mineo Nagayama¹, Yoshiharu Kano¹, Suzuki Tatsuya², Shinsuke Miyabe³, Takashi Sakuma⁴, Hidetomo Shirozu¹ (1. JAEA, 2. Nagaoka Univ. of Tech. , 3. Nippon Chemical Industrial Co.,Ltd., 4. Ebara Corporation)

10:15 AM - 10:30 AM

[1F02] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(28)Study on the effect of impurities present in waste liquid on cement solidification ②

*Ryotatsu Matsushima¹, Kiyofumi Takahashi¹, Yasuo Saito¹, Yukihiro Kikuchi¹, Daiki Atarashi², Hidetomo Shirozu¹ (1. JAEA, 2. Shimane Univ.)

10:30 AM - 10:45 AM

[1F03] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(29)Hydrogen generation evaluation of cement solidified by gamma irradiation ②

*FUMINORI SATO¹, SHOJI KATAOKA¹, RYOTATSU MATSUSHIMA¹, KATSUMI OHTAKE², HIDETOMO SHIROZU¹ (1. JAEA, 2. E&E)

Time reserved for Chair （10:45 AM - 11:00 AM）

Oral presentation

[1F04-06] Severe Accidents at Reprocessing Plant

Wed. Sep 16, 2020 11:00 AM - 12:00 PM Room F (Zoom room 6)

Chair:Yuji Sasaki Sasaki(JAEA)

11:00 AM - 11:15 AM

[1F04] Enhancement of Analysis Method for Important Phenomenon of Severe Accidents at Reprocessing Plant

(1)Outline of the Development Project of Risk Monitor for Application of Integrated Risk Information

*Takashi Kodama¹, Hiroshi Kinuhata¹, Yoshikazu Tamauchi¹, Kazushi Oogaki¹ (1. JNFL)

11:15 AM - 11:30 AM

[1F05] Enhancement of Analysis Method for Important Phenomenon of Severe Accidents at Reprocessing Plant

(2)Accuracy Enhancement Plan for Phenomenon Analysis of Hydrogen Explosion

*Yoshikazu Tamauchi¹, Takashi Kodama¹, Kazushi Oogaki¹, A.Koichi Hayashi² (1. JNFL, 2. Aoyama Gakuin Univ.)

11:30 AM - 11:45 AM

[1F06] Enhancement of Analysis Method for Important Phenomenon of Severe Accidents at Reprocessing Plant

(3)Model Enhancement Plan for FATE code.

*Hisayuki Kyo¹, Daisuke Fujiwara¹, Hiroshi Shirai¹, Takashi Kodama², Yoshikazu Tamauchi², Hiroshi Kinuhata² (1. TEPCO SYSTEMS CORPORATION, 2. Japan Nuclear Fuel Limited)

Time reserved for Chair （11:45 AM - 12:00 PM）

Oral presentation

[1F07-10] Boiling and Drying Accident of HLLW, and Pyroprocessing

Wed. Sep 16, 2020 2:45 PM - 4:00 PM Room F (Zoom room 6)

Chair:Kayo Sawada(Nagoya Univ.)

2:45 PM - 3:00 PM

[1F07] Study on the boiling and drying accident of HLLW

(7)Experiment to measure the absorption rate coefficient of NO₂ and volatile Ru in the condensate

*Hiroshi Kinuhata¹, Takashi Kodama¹, Yasuhiro Suzuki², Mikio Kumagai³, Kazunori Suzuki³, Shin-itiro Hayashi³, Shingo Matsuoka³ (1. Japan Nuclear Fuel Limited, 2. JGC Japan Corporation, 3. UI Sciences Inc.)

3:00 PM - 3:15 PM

[1F08] Study on the boiling and drying accident of HLLW

(8)Examination of the LPF of volatilized Ru passing through a model pathway from the storage tank to the environment

*Mikio Kumagai¹, Takashi Kodama², Hiroshi Kinuhata², Kazunori Suzuki¹, Shin-itiro Hayashi¹, Shingo Matsuoka¹ (1. UI Sciences Inc., 2. Japan Nuclear Fuel Limited)

3:15 PM - 3:30 PM

[1F09] Chlorination of Uranium Oxides - containing Substances with Carbon Tetrachloride by Thermochemical Reaction

*ZhuoRan Ma¹, Yoshiya Homma², Kenji Konashi², Tatsuya Suzuki¹ (1. Nagaoka Univ. of Tech, 2. Tohoku Univ)

3:30 PM - 3:45 PM

[1F10] Evaluation of salt waste form reduction by modification of pyroprocessing

*Koichi Uozumi¹, Kensuke Kinoshita¹, Masatoshi Iizuka¹ (1. CRIEPI)

Time reserved for Chair （3:45 PM - 4:00 PM）

Oral presentation

[1F11-14] Aqueous Processing and Related Technologies

Wed. Sep 16, 2020 4:00 PM - 5:15 PM Room F (Zoom room 6)

Chair:FUMINORI SATO(JAEA)

4:00 PM - 4:15 PM

[1F11] Development of FBR Fuel Assembly Disassembly and Fuel Pin Bundle Shearing Technology

(16)Study of Disassembling Cutting Mechanism by CBN Grinding Wheel

*Hidetsugu Nishikawa¹, Masayuki Takeuchi², Toru Kitagaki², Yuuichi Tooya³, Isamu Sato¹ (1. Tokyo City Univ., 2. JAEA, 3. MHI)

4:15 PM - 4:30 PM

[1F12] Development of DGA compound and separation of trivalent actinides from lanthanides using organic acid with DTPA-BA

*Yuji Sasaki Sasaki¹, Masashi Kaneko¹, Masahiko Matsumiya², Masahiko Nakase³, Kenji Takeshita³ (1. Japan Atomic Energy Agency, 2. Yokohama National University, 3. Tokyo Inst. Technol. )

4:30 PM - 4:45 PM

[1F13] Feasibility study for LWR MOX spent fuel reprocessing using PUREX process

(2)Effects of UO2-MOX mixing on partition process and vitrification

*Takeshi Tsukada¹ (1. CRIEPI)

4:45 PM - 5:00 PM

[1F14] Vitrification behavior of Na₂MoO₄ with calcium borosilicate glass

*Kayo Sawada¹, Takumi Shimakura¹, Youichi Enokida¹, Takeshi Tsukada² (1. Nagoya Univ., 2. CRIEPI)

Time reserved for Chair （5:00 PM - 5:15 PM）

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 504-3 Fuel Reprocessing

[1F01-03] Low-radioactive Waste Treatment

[1F01] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(27)Study on Cs and Sr adsorption process in LWTF

[1F02] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(28)Study on the effect of impurities present in waste liquid on cement solidification ②

[1F03] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(29)Hydrogen generation evaluation of cement solidified by gamma irradiation ②

[1F04-06] Severe Accidents at Reprocessing Plant

[1F04] Enhancement of Analysis Method for Important Phenomenon of Severe Accidents at Reprocessing Plant

(1)Outline of the Development Project of Risk Monitor for Application of Integrated Risk Information

[1F05] Enhancement of Analysis Method for Important Phenomenon of Severe Accidents at Reprocessing Plant

(2)Accuracy Enhancement Plan for Phenomenon Analysis of Hydrogen Explosion

[1F06] Enhancement of Analysis Method for Important Phenomenon of Severe Accidents at Reprocessing Plant

(3)Model Enhancement Plan for FATE code.

[1F07-10] Boiling and Drying Accident of HLLW, and Pyroprocessing

[1F07] Study on the boiling and drying accident of HLLW

(7)Experiment to measure the absorption rate coefficient of NO₂ and volatile Ru in the condensate

[1F08] Study on the boiling and drying accident of HLLW

(8)Examination of the LPF of volatilized Ru passing through a model pathway from the storage tank to the environment

[1F09] Chlorination of Uranium Oxides - containing Substances with Carbon Tetrachloride by Thermochemical Reaction

[1F10] Evaluation of salt waste form reduction by modification of pyroprocessing

[1F11-14] Aqueous Processing and Related Technologies

[1F11] Development of FBR Fuel Assembly Disassembly and Fuel Pin Bundle Shearing Technology

(16)Study of Disassembling Cutting Mechanism by CBN Grinding Wheel

[1F12] Development of DGA compound and separation of trivalent actinides from lanthanides using organic acid with DTPA-BA

[1F13] Feasibility study for LWR MOX spent fuel reprocessing using PUREX process

(2)Effects of UO2-MOX mixing on partition process and vitrification

[1F14] Vitrification behavior of Na₂MoO₄ with calcium borosilicate glass

Authentication

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 504-3 Fuel Reprocessing

[1F01-03] Low-radioactive Waste Treatment

(27)Study on Cs and Sr adsorption process in LWTF

(28)Study on the effect of impurities present in waste liquid on cement solidification ②

(29)Hydrogen generation evaluation of cement solidified by gamma irradiation ②

[1F04-06] Severe Accidents at Reprocessing Plant

(1)Outline of the Development Project of Risk Monitor for Application of Integrated Risk Information

(2)Accuracy Enhancement Plan for Phenomenon Analysis of Hydrogen Explosion

(3)Model Enhancement Plan for FATE code.

[1F07-10] Boiling and Drying Accident of HLLW, and Pyroprocessing

(7)Experiment to measure the absorption rate coefficient of NO2 and volatile Ru in the condensate

(8)Examination of the LPF of volatilized Ru passing through a model pathway from the storage tank to the environment

[1F11-14] Aqueous Processing and Related Technologies

(16)Study of Disassembling Cutting Mechanism by CBN Grinding Wheel

(2)Effects of UO2-MOX mixing on partition process and vitrification

Authentication

(7)Experiment to measure the absorption rate coefficient of NO₂ and volatile Ru in the condensate