Oral presentation

[1B01-03] Debris Treatment 1

Wed. Mar 20, 2019 10:00 AM - 10:50 AM Room B (Common Education Bildg. 2 1F No.10)

Chair:Koichiro Takao(Tokyo Tech)

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10:00 AM - 10:15 AM

[1B01] Basic study on actinide leaching and waste manegement of MCCI debris

(8) Study on vitrification of MCCI debris

*Yuji Kodama¹, Takayuki Sasaki¹, Taishi Kobayashi¹, Daisuke Akiyama², Akira Kirishima², Nobuaki Sato² (1. Department of Nuclear Engineering, Kyoto Univ., 2. Institute of Multidisciplinary Research for Advanced Materials, Tohoku Univ.)

10:15 AM - 10:30 AM

[1B02] Study on the new solidification method for fuel debris using aluminosilicate

*Saya Watanabe¹, Daisuke Akiyama¹, Akira Kirishima¹, Nobuaki Sato¹, Hitoshi Mimura², Minoru Matsukura² (1. IMRAM, Tohoku Univ. , 2. UNION SHOWA K.K.)

10:30 AM - 10:45 AM

[1B03] The process of the debris in Fukushima site and the spent nuclear fuel

*Shotaro Akahori¹ (1. Medical faculty of Tokyo University )

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

Oral presentation

[1B04-08] Nuclide Separation and Recovery 1

Wed. Mar 20, 2019 10:50 AM - 12:10 PM Room B (Common Education Bildg. 2 1F No.10)

Chair:Hideki Tomita(Nagoya Univ.)

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10:50 AM - 11:05 AM

[1B04] Realization Development of the Flexible Waste Management System for MA P&T Technology

(13)Investigation of Drying Condition of Simulated High Level Liquid Waste for Granule Production

*Yoichi Endo¹, Akihiro Suzuki¹, Atsushi Ohuchi¹, Fumiki Mizusako¹ (1. NFD)

11:05 AM - 11:20 AM

[1B05] Realization Development of the Flexible Waste Management System for MA P&T Technology

(14) Research on fabrication of HLW densified granule

*Akihiro Suzuki¹, Yoichi Endo¹ (1. NFD)

11:20 AM - 11:35 AM

[1B06] Realization Development of the Flexible Waste Management System for MA P&T Technology

(15)Reduction Effect of the Disposal Site Area

*Keita Endo¹, Kuniyoshi Hoshino¹, Tetsuo Fukasawa¹, Akihiro Suzuki² (1. Hitachi-GE , 2. NFD)

11:35 AM - 11:50 AM

[1B07] Technical options of radioactive waste management for the second half of the 21st Century, inconsideration of Pu utilization and less environmentally impacted geological disposal

(7)Fast reactor burnup calculations with a CBZ code system for transmutation of partitioned nuclides

*Go Chiba¹, Masahiro Kawakubo², Hidekazu Asano² (1. Hokkaido University, 2. Radioactive Waste Management Funding and Research Center)

11:50 AM - 12:05 PM

[1B08] Technical options of radioactive waste management for the second half of the 21st Century, inconsideration of Pu utilization and less environmentally impacted geological disposal

(8)Evaluation of nuclear wastes from fast reactor with MA recycle

*Yu Kobayashi¹, Go Chiba¹, Masahiro Kawakubo², Hidekazu Asano² (1. Hokkaido University, 2. Radioactive Waste Management Funding and Research Center)

Time reserved for Chair （12:05 PM - 12:10 PM）

Oral presentation

[1B09-13] Nuclide Separation and Recovery 2

Wed. Mar 20, 2019 2:45 PM - 4:05 PM Room B (Common Education Bildg. 2 1F No.10)

Chair:Go Chiba(Hokkaido Univ.)

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2:45 PM - 3:00 PM

[1B09] Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation

Development of separation and recovery technologies of long-lived fission products (LLFPs) from the high-level radioactive liquid waste based on electrolysis and solvent extraction (1) Recovery of Pd and Se by electrolytic method

*Yuya Takahashi¹, Takashi Omori¹, Yu Yamashita¹, Masaaki Kaneko¹, Kazuhito Asano¹, Keisuke Morita², hideya Suzuki², Tatsuro Matsumura² (1. Toshiba Energy Systems & Solutions Corporation, 2. Japan Atomic Energy Agency)

3:00 PM - 3:15 PM

[1B10] Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation

(2-2)Development of separation and recovery technologies of long-lived fission products (LLFPs) from the high-level radioactive liquid waste based on electrolysis and solvent extraction (2) Recovery of Cs using an adsorption process

*Yu Yamashita¹, Eiichi Murata¹, Yuya Takahashi¹, Takashi Omori¹, Masaaki Kaneko¹, Kazuhito Asano¹, Tatsuro Matsumura² (1. Toshiba Energy Systems & Solutions Corporation, 2. Japan Atomic Energy Agency)

3:15 PM - 3:30 PM

[1B11] Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation

(2-3)Development of separation and recovery technologies of long-lived fission products (LLFPs) from the high-level radioactive liquid waste based on electrolysis and solvent extraction (3) Recovery of Zr by solvent extraction

*Keisuke Morita¹, Hideya Suzuki¹, Tatsuro Matsumura¹, Yuya Takahashi², Takashi Omori², Masaaki Kaneko², Kazuhito Asano² (1. JAEA, 2. Toshiba ESS)

3:30 PM - 3:45 PM

[1B12] Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation

(2-4)Development of separation and recovery technologies of long-lived fission products (LLFPs) from the high-level radioactive liquid waste based on electrolysis and solvent extraction (4) Study on process concept

*Takashi Omori¹, Yuya Takahashi¹, Yu Yamashita¹, Masaaki Kaneko¹, Kazuhito Asano¹, Keisuke Morita², Hideya Suzuki², Tatsuro Matsumura² (1. Toshiba energy systems & Solutions Corporation, 2. Japan Atomic Energy Agency)

3:45 PM - 4:00 PM

[1B13] Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation

(2-5)Application of High Repetition Rate Ti:Sapphire Laser to Even–odd Isotope Selective Ionization

*Hideki Tomita^1,2, Volker Sonnenschein^1,2, Masaya Ohashi^1,2, Tetsu Sonoda², Hironobu Ishiyama², Tohru Kobayashi³, Yutaka Nagata³, Takashige Fujiwara³, Katsumi Midorikawa³ (1. Nagoya Univ., 2. RIKEN Nishina Center for Accelerator-Based Science, 3. RIKEN Center for Advanced Photonics)

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

Oral presentation

[1B14-18] Nuclide Separation and Recovery 3

Wed. Mar 20, 2019 4:05 PM - 5:30 PM Room B (Common Education Bildg. 2 1F No.10)

Chair:Akihiro Suzuki(NFD)

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4:05 PM - 4:20 PM

[1B14] Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation

(3-1) Alteration Behavior of Simulated Nuclear Waste Glass in 1D-depth Direction through Acid Leaching

*Mayuu Kubo¹, Koichiro Takao¹ (1. LANE. Tokyo Tech)

4:20 PM - 4:35 PM

[1B15] Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation

(3-2)Study on Recovery of LLFPs from Eluents after Wet Processing of Nuclear Waste Glass

*Koichiro Energy Takao¹, Yasuhisa Ikeda¹, Moe Matsuoka¹ (1. LANE, Tokyo Tech)

4:35 PM - 4:50 PM

[1B16] Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation

(3-3)Study on recovery process concept of LLFPs from vitrified glass waste by using pyroprocess method

*Kazuhito Asano¹, Takashi Omori¹, Shohei Kanamura¹, Masaaki Kaneko¹, Yoshiharu Sakamura² (1. Toshiba ESS, 2. CRIEPI)

4:50 PM - 5:05 PM

[1B17] Structural analysis for development of Minor Actinide recovery process using CHON type extractant

*Makoto Okada¹, Sou Watanabe², Yusuke Horiuchi³, Tsuyoshi Arai³, Haruaki Matsuura¹ (1. Tokyo City University, 2. Japan Atomic Energy Agency, 3. Shibaura Institute of Technology)

5:05 PM - 5:20 PM

[1B18] Precipitation treatment of residual nuclear fuel material in salt generated by pyroprocessing test development

Megumi Aso¹, Yoko Takahatake², Sou Watanabe², *Haruaki Matsuura¹ (1. Tokyo City University, 2. Japan Atomic Energy Agency)

Time reserved for Chair （5:20 PM - 5:30 PM）

Oral presentation

[2B01-05] Debris Treatment 2

Thu. Mar 21, 2019 9:30 AM - 10:55 AM Room B (Common Education Bildg. 2 1F No.10)

Chair:Takayuki Nagai(JAEA)

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9:30 AM - 9:45 AM

[2B01] Development of Fuel Debris Treatment Technology by the Fluorination Method

(22) Simulated Debris Fluorination Experiments (Part 8)

*Kuniyoshi Hoshino¹, Keita Endo¹, Akira Sasahira¹, Tetsuo Fukasawa¹, Takahiro Chikazawa² (1. Hitachi-GE, 2. Mitsubishi Materials)

9:45 AM - 10:00 AM

[2B02] Dissolution Behavior of ZrF₄ in molten LiF-NaF-KF after Fluorination of Fuel Debris

*Haruaki Matsuura¹, Tadayoshi Sato¹, Daisuke Akiyama², Nobuaki Sato² (1. Tokyo City University, 2. Tohoku University)

10:00 AM - 10:15 AM

[2B03] Electrochemical Behavior of Zirconium in Molten LiCl-KCl-Li₂O for Fuel Debris Treatment

*Tatsuya Emori¹, Takafumi Uchiyama¹, Haruaki Matsuura¹ (1. Tokyo City University)

10:15 AM - 10:30 AM

[2B04] Electrochemical recovery of Zr from fuel debris using molten CaCl ₂ – LiCl

*Takumi Nagasawa¹, Tatsuya Emori¹, Akihiro Uehara², Haruaki Matsuura¹ (1. Tokyo City University, 2. National Institutes for Quantum and Radiological Science and Technology)

10:30 AM - 10:45 AM

[2B05] Selective separation of debris in Fukushima accident using inorganic ion exchanger

about tungsten-containing ion exchanger

*Tatsuo Abe¹, Azri Adham¹, Irvin Banjarnahor^1,2, Saki Abe¹, Shinko Ito¹ (1. NITTC, 2. Ibaraki Univ.)

Time reserved for Chair （10:45 AM - 10:55 AM）

Oral presentation

[2B06-09] Vitrification 1

Thu. Mar 21, 2019 10:55 AM - 12:00 PM Room B (Common Education Bildg. 2 1F No.10)

Chair:Hinai Hiroshi(JAEA)

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10:55 AM - 11:10 AM

[2B06] Separation of Platinum Group Metals from Nitric Acid Solution using Ionic Liquids containing TDGA Extractant

*Haruka Oosugi¹, Tadayuki Takahashi^1,2, Tatsuya Ito¹, Seong-Yun Kim¹ (1. Tohoku University, 2. Japan Nuclear Fuel Limited)

11:10 AM - 11:25 AM

[2B07] Separation of Platinum Group Metals from Nitric Acid Solution using Functionalized Ionic Liquid having Sulfur-containing Amide Acid Structure

*Tatsuya Ito¹, Haruka Oosugi¹, Tadayuki Takahashi^1,2, Seong-Yun Kim¹ (1. Tohoku Univ. , 2. JNFL)

11:25 AM - 11:40 AM

[2B08] Correlation analysis between platinum group elements in the simulated waste glass by imaging XAFS

*Yoshihiro Okamoto¹, Takayuki Nagai¹, Hideaki Shiwaku¹ (1. JAEA)

11:40 AM - 11:55 AM

[2B09] Investigation of platinum group compounds generated in the vitrification process

(2) Change of chemical form of generated palladium compounds

*Takayuki Nagai¹, Yoshihiro Okamoto¹, Hideaki Shiwaku¹, Daisuke Akiyama², Nobuaki Sato² (1. JAEA, 2. IMRAM, Tohoku Univ.)

Time reserved for Chair （11:55 AM - 12:00 PM）

Oral presentation

[2B10-14] Treatment of Contaminated Water and Soil

Thu. Mar 21, 2019 2:45 PM - 4:10 PM Room B (Common Education Bildg. 2 1F No.10)

Chair:Yoshihiro Okamoto(JAEA)

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2:45 PM - 3:00 PM

[2B10] Characterization of secondary waste generated by Fukushima Daiichi nuclear power station accident

(6)Analysis of sludge generated from decontamination device

*Daisuke Sato^1,2, Hiroshi Hinai^1,2, Atsuhiro Shibata^1,2, Yoshikazu Koma^1,2, Kazunori Nomura^1,2, Masato myodo^1,2 (1. JAEA, 2. IRID)

3:00 PM - 3:15 PM

[2B11] Characterization of secondary waste generated by Fukushima Daiichi nuclear power station accident

(7)Radiochemical analysis of sludge generated from decontamination device

*Hiroshi Hinai^1,2, Daisuke Sato^1,2, Masato Myodo^1,2, Yoshikazu Koma^1,2, Atsuhiro Shibata^1,2, Kazunori Nomura^1,2 (1. Japan Atomic Energy Agency, 2. International Research Institute for Nuclear Decommissioning)

3:15 PM - 3:30 PM

[2B12] Development of the sintering solidification method for spent zeolite to long-term stabilization (1)

Overview of the research

*Tsuyoshi Arai¹, Aiki Watanabe¹, Fumihiro Kato¹, Masahiro Mouri¹, Akane Usui², Takashi Ohnishi², Kosuke Tanaka², Minoru Matsukura³, Hitoshi Mimura³ (1. Shibaura Institute of Technology, 2. Japan Atomic Energy Agency, 3. Union Showa K.K.)

3:30 PM - 3:45 PM

[2B13] Reaction rate analysis of Cs removal reaction from contaminated soil using subcritical water treatment

*Tatsuya Fukuda¹, Ryo Takahashi¹, Xiangbiao Yin¹, Yusuke Inaba¹, Miki Harigai¹, Masahiko Nakase¹, Kenji Takeshita¹ (1. Laboratory for Nuclear Reactors, Tokyo Institute of Technology)

3:45 PM - 4:00 PM

[2B14] Fundamental study for analysis of Np-237 by ICP-MS / MS

*Maho Iwasaki¹, Tatsuya Suzuki², Tomoo Yamamura³, Kenji Konashi⁴, Yasuyuki Shikamori⁵, Shinichi Noguchi¹ (1. JAEA, 2. Nagaoka University of Technology, 3. Kyoto University, 4. Tohoku University, 5. Agilent Technologies Japan)

Time reserved for Chair （4:00 PM - 4:10 PM）

Oral presentation

[2B15-19] Radiochemical Analysis at Fukushima Daiichi NPS Site

Thu. Mar 21, 2019 4:10 PM - 5:30 PM Room B (Common Education Bildg. 2 1F No.10)

Chair:Tsuyoshi Arai(Shibaura Inst. of Tech.)

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4:10 PM - 4:25 PM

[2B15] Investigation of the radionuclide transfer based on the radiochemical analysis of the genuine samples at Fukushima Daiichi NPS site

(1)Research for actinide transfer to secondary waste from water treatment

*Erina Murakami¹, Keiichi Ohki¹, Yoko Takahatake¹, Ayako Nitta¹, Atsuhiro Shibata¹, Yoshikazu Koma¹ (1. Japan Atomic Energy Agency )

4:25 PM - 4:40 PM

[2B16] Investigation of the radionuclide transfer based on the radiochemical analysis of the genuine samples at Fukushima Daiichi NPS site

(2)Study on origin of uranium for samples from turbine building of unit 1

*Youko Takahatake¹, Yoshikazu Koma¹ (1. JAEA)

4:40 PM - 4:55 PM

[2B17] Investigation of the radionuclide transfer based on the radiochemical analysis of the genuine samples at Fukushima Daiichi NPS site

(3)Study on the contamination in the reactor building unit 4 with analytical results of rubble

*Ayako Nitta^1,2, Hiroshi Hinai^1,2, Yoshiyuki Sato^1,2, Ryuji Aono^1,2, Keiichi Ohki^1,2, Yoshikazu Koma^1,2, Atsuhiro Shibata^1,2 (1. JAEA, 2. IRID)

4:55 PM - 5:10 PM

[2B18] Investigation of the radionuclide transfer based on the radiochemical analysis of the genuine samples at Fukushima Daiichi NPS site

(4) Contamination of soils and their radionuclide composition

*Keiichi Ohki¹, Yoko Takahatake¹, Hiroshi Hinai¹, Atsuhiro Shibata¹, Yoshikazu Koma¹ (1. Japan Atomic Energy Agency)

5:10 PM - 5:25 PM

[2B19] Study on Cs penetration behavior into concrete materials under high temperature / humidity condition

*Hayato Maejima¹, Koki Koshigoe¹, Isamu Sato¹, Haruaki Matsuura¹, Naoya Miyahara², Eriko Suzuki², Masahiko Osaka² (1. Tokyo City University, 2. Japan Atomic Energy Agency)

Time reserved for Chair （5:25 PM - 5:30 PM）

Oral presentation

[3B01-04] Vitrification2

Fri. Mar 22, 2019 9:45 AM - 10:55 AM Room B (Common Education Bildg. 2 1F No.10)

Chair:Ippei Amamoto(JAEA)

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9:45 AM - 10:00 AM

[3B01] Development of cyano-group bridge-type coordination polymer with a high sorption characteristic of Platinum-group elements for high quality and volume reduction of vitrified objects containing high-level radioactive nuclear wastes

(1) Introductory talk

*Jun Onoe¹, Shinta Watanabe¹, Yusuke Inaba², Miki Harigai², Kenji Takeshita² (1. Nagoya University, 2. Tokyo Institute of Technology)

10:00 AM - 10:15 AM

[3B02] Development of cyano-group bridge-type coordination polymer with a high sorption characteristic of Platinum-group elements for high quality and volume reduction of vitrified objects containing high-level radioactive nuclear wastes

(2) Synthesis and Adsorption Studies of Aluminum Ferrocyanide

*Yusuke Inaba¹, Ria Mishima¹, Keita Saito¹, Sotaro Tachioka¹, Miki Harigai¹, Kenji Takeshita¹, Shinta Watanabe², Jun Onoe² (1. Tokyo Tech, 2. Nagoya Univ.)

10:15 AM - 10:30 AM

[3B03] Development of cyano-group bridge-type coordination polymer with a high sorption characteristic of Platinum-group elements for high quality and volume reduction of vitrified objects containing high-level radioactive nuclear wastes

(3) Sorption properties of hexacyanoferrate for platinum group metals and molybdenum

*Shinta Watanabe¹, Toshiki Takeuchi¹, Yusuke Inaba², Ria Mishima², Miki Harigai², Masato Nakaya¹, kenji Takeshita², Jun Onoe¹ (1. Nagoya University, 2. Tokyo Institute of Technology)

10:30 AM - 10:45 AM

[3B04] Development of cyano-group bridge-type coordination polymer with a high sorption characteristic of Platinum-group elements for high quality and volume reduction of vitrified objects containing high-level radioactive nuclear wastes

(4) Process Evaluation

*Kenji Takeshita¹, Tomohiro Okamura¹, Miki Harigai¹, Yusuke Inaba¹, Masahiko Nakase¹, Shinta Watanabe², Jun Onoe² (1. Tokyo Institute of Technology, 2. Nagoya University)

Time reserved for Chair （10:45 AM - 10:55 AM）

Oral presentation

[3B05-08] Vitrification3

Fri. Mar 22, 2019 10:55 AM - 12:00 PM Room B (Common Education Bildg. 2 1F No.10)

Chair:Jun Onoe(Nagoya Univ.)

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10:55 AM - 11:10 AM

[3B05] Local Structural Analysis and Additive Effect of Ti, Zn and Zr in Low Level Radioactive Glass for Highly Concentrated Sodium Nitrate Solution

*Yuri Tajimi¹, Kei Shiina¹, Takeshi Mimura², Yasutomo Tajiri², Sohei Sukenaga³, Hiroyuki Shibata³, Haruaki Matsuura¹ (1. Tokyo City University, 2. IHI Corp, 3. Tohoku University)

11:10 AM - 11:25 AM

[3B06] Evaluation of vitirification and dissolution of simulated high-level radioactive wastes in borosilicate glasses with high-loading capacity

*Tetsuji Yano¹, Takuhiro Miyawaki¹, Shintaro Matsumoto¹, Nobuhiro Matsushita¹, Tetsuo Kishi¹, Yoshiyuki Miura², Norio Kanehira² (1. Tokyo Institute of Technology, 2. Japan Nuclear Fuel Limited)

11:25 AM - 11:40 AM

[3B07] Thermodynamic optimization of MoO₃ solubility in SiO₂-B₂O₃-Al₂O₃-ZnO-CaO-Na₂O-Li₂O glass melts

*Toru Sugawara¹, Toshiaki Ohira¹, Yoshiyuki Miura², Norio Kanehira² (1. Akita University, 2. Japan Nuclear Fuel Limitted)

11:40 AM - 11:55 AM

[3B08] Thermal-Assisted Solvent Extraction of Inert Platinum Group Metals from HNO₃(aq) to Ordinary Organic Solvent

*Zhiwei Zheng¹, Tsuyoshi Arai², Koichiro Takao¹ (1. LANE. Tokyo Tech, 2. SIT)

Time reserved for Chair （11:55 AM - 12:00 PM）

Oral presentation

[3B09-13] Vitrification 4

Fri. Mar 22, 2019 2:45 PM - 4:10 PM Room B (Common Education Bildg. 2 1F No.10)

Chair:Kenji Takeshita(Tokyo Tech)

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2:45 PM - 3:00 PM

[3B09] Basic research programs of vitrification technology for waste volume reduction

(63)Development of Vitrification Technology for Low Level Radioactive Waste

*Yasutomo Tajiri¹, Toshiro Oniki¹ (1. IHI Corporation)

3:00 PM - 3:15 PM

[3B10] Basic research programs of vitrification technology for waste volume reduction

(64)Migration behavior of surrogate nuclides to the treated incineration ash near the properties derived from a light water reactor

*Kouichi Ikeda¹, Kazuyoshi Uruga¹, Takeshi Tsukada¹, Tsuyoshi Usami¹, Shizue Furukawa¹ (1. criepi)

3:15 PM - 3:30 PM

[3B11] Basic research programs of vitrification technology for waste volume reduction

(65) Construction of Matrix Database

*Ippei AMAMOTO¹, Koichi Ohyama¹, Hideki Kitajima², Saichi Nagao², Yuichi Nagano², Mitsuyoshi Sakai³, Tsutomu Maruyama³, Naoki Taneda³, Nobutaka Nishikawa⁴ (1. Japan Atomic Energy Agency, 2. Research Center of Computational Mechanics, Inc., 3. New Glass Forum, 4. Mizuho Information and Research Institute, Inc.)

3:30 PM - 3:45 PM

[3B12] Basic research programs of vitrification technology for waste volume reduction

(66)Development of high waste loading glasses

*Yoshiyuki Miura¹, Hiroto Mitsuhashi¹, Taku Hashimoto¹, Takahiro Ishio¹, Norio Kanehira¹ (1. Japan Nuclear Fuel Limited)

3:45 PM - 4:00 PM

[3B13] Basic research programs of vitrification technology for waste volume reduction

(67) Effect of improved borosilicate glass on melter operation and behavior of platinum group metals

*Taku Hashimoto¹, yoshiyuki miura¹, hiroto mitsuhashi¹, takahiro ishio¹, norio kanehira¹ (1. JAPAN NUCLEAR FUEL LIMITED)

Time reserved for Chair （4:00 PM - 4:10 PM）

Oral presentation

[1C01-05] Treatment of Radiolysis Gas 1

Wed. Mar 20, 2019 10:00 AM - 11:20 AM Room C (Common Education Bildg. 2 1F No.11)

Chair:Kenji Yoshii

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10:00 AM - 10:15 AM

[1C01] R&D on reduction technologies of hydrogen generated in long-term waste storage containers

(7) Design of monolithic catalyst for passive autocatalytic recombiner and measurement of natural convection in a container

*Tomoaki Kita¹, Hitomi Ono¹, Keisuke Takenaka¹, Hirohisa Tanaka¹, Masashi Taniguchi², Daiju Matsumura³, Yasuo Nishihata³, Ryutaro Hino³, Reinecke Arndt Ernst⁴, Kazuyuki Takase⁵ (1. Kwansei Gakuin University, 2. Daihatsu Motor Co.,Ltd., 3. Japan Atomic Energy Agency, 4. Forschungszentrum Jülich GmbH, 5. Nagaoka University of Technology)

10:15 AM - 10:30 AM

[1C02] R&D on reduction technologies of hydrogen generated in long-term waste storage containers

(8) Reaction mechanism of hydrogen recombination catalysts studied by synchrotron X-ray absorption spectroscopy

*Daiju Matsumura¹, Takuya Tsuji¹, Yasuo Nishihata¹, Ryutaro Hino¹, Masashi Taniguchi², Keisuke Takenaka³, Hitomi Ono³, Tomoaki Kita³, Hirohisa Tanaka³ (1. JAEA, 2. Daihatsu, 3. KG)

10:30 AM - 10:45 AM

[1C03] R&D on reduction technologies of hydrogen generated in long-term waste storage containers

(9) Development of geopolymer based catalyst for passive autocatalytic recombiner and performance tests

*Taro Utsumi¹, Dung Thi Mai Do¹, Hisayuki Suematsu¹, Kudo Isamu², Hirohisa Tanaka³, Ryutaro Hino⁴ (1. Nagaoka Univ. of Tech., 2. ADVAN ENG, 3. Kwansei Gakuin Univ., 4. JAEA)

10:45 AM - 11:00 AM

[1C04] R&D on reduction technologies of hydrogen generated in long-term waste storage containers

(10) Experimental results for reducing hydrogen concentration in a storage container with PAR

*Kazuyuki Takase¹, Isamu Kudo², Hirohisa Tanaka³, Masashi Taniguchi⁴, Hitoshi Sugiyama⁵, Atsuhiko Terada⁶, Ryutaro Hino⁶ (1. Nagaoka Univ. of Tech., 2. ADVAN ENG, 3. Kwansei Gakuin Univ., 4. DAIHATSU, 5. Utsunomiya Univ., 6. JAEA)

11:00 AM - 11:15 AM

[1C05] R&D on reduction technologies of hydrogen generated in long-term waste storage containers

(11) Numerical simulation of hydrogen behavior in storage container with PAR

*Terada Atsuhiko¹, Ryutaro Hino¹, Hitoshi Sugiyama², Naoto Katou², Kazuyuki Takase³ (1. Japan Atomic Energy Agency, 2. Utsunomiya University, 3. Nagaoka University of Technolog)

Time reserved for Chair （11:15 AM - 11:20 AM）

Oral presentation

[1C06-08] Treatment of Radiolysis Gas 2 and Use of Radiation

Wed. Mar 20, 2019 11:20 AM - 12:10 PM Room C (Common Education Bildg. 2 1F No.11)

Chair:Daiju Matsumura(JAEA)

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11:20 AM - 11:35 AM

[1C06] Yields of molecular hydrogen by radiolysis of several inorganic hydrates and hydroxides and the consideration of the formation mechanisms

*Jun Kumagai¹, Katsuyoshi Horinouchi², Kumi Negishi³ (1. IMaSS Nagoya Univ., 2. School of Eng., Nagoya Univ., 3. Taiheiyo Consultant Co., LTD)

11:35 AM - 11:50 AM

[1C07] Study of solidification for intermediate-level radioactive waste

Study of controlling geopolymer paste's viscosity

*Masaru Yuhara¹, Yu Yamashita¹, Kanae Matsuyama¹ (1. Toshiba Energy Systems & Solutions Corporation)

11:50 AM - 12:05 PM

[1C08] Direct energy conversion from radiation to electricity: Radioactive waste to energy

*Kenji Yoshii¹, Tatsuo Fukuda¹, Junichiro Kamiya¹, Hideaki Shiwaku¹, Tohru Kobayashi¹, Hajime Tanida¹, Yuichi Yamazaki², Takeshi Ohshima², Tsuyoshi Yaita¹ (1. JAEA, 2. QST)

Time reserved for Chair （12:05 PM - 12:10 PM）

Sessions

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

[1B01-03] Debris Treatment 1

(8) Study on vitrification of MCCI debris

[1B04-08] Nuclide Separation and Recovery 1

(13)Investigation of Drying Condition of Simulated High Level Liquid Waste for Granule Production

(14) Research on fabrication of HLW densified granule

(15)Reduction Effect of the Disposal Site Area

(7)Fast reactor burnup calculations with a CBZ code system for transmutation of partitioned nuclides

(8)Evaluation of nuclear wastes from fast reactor with MA recycle

[1B09-13] Nuclide Separation and Recovery 2

Development of separation and recovery technologies of long-lived fission products (LLFPs) from the high-level radioactive liquid waste based on electrolysis and solvent extraction (1) Recovery of Pd and Se by electrolytic method

(2-2)Development of separation and recovery technologies of long-lived fission products (LLFPs) from the high-level radioactive liquid waste based on electrolysis and solvent extraction (2) Recovery of Cs using an adsorption process

(2-3)Development of separation and recovery technologies of long-lived fission products (LLFPs) from the high-level radioactive liquid waste based on electrolysis and solvent extraction (3) Recovery of Zr by solvent extraction

(2-4)Development of separation and recovery technologies of long-lived fission products (LLFPs) from the high-level radioactive liquid waste based on electrolysis and solvent extraction (4) Study on process concept

(2-5)Application of High Repetition Rate Ti:Sapphire Laser to Even–odd Isotope Selective Ionization

[1B14-18] Nuclide Separation and Recovery 3

(3-1) Alteration Behavior of Simulated Nuclear Waste Glass in 1D-depth Direction through Acid Leaching

(3-2)Study on Recovery of LLFPs from Eluents after Wet Processing of Nuclear Waste Glass

(3-3)Study on recovery process concept of LLFPs from vitrified glass waste by using pyroprocess method

[2B01-05] Debris Treatment 2

(22) Simulated Debris Fluorination Experiments (Part 8)

about tungsten-containing ion exchanger

[2B06-09] Vitrification 1

(2) Change of chemical form of generated palladium compounds

[2B10-14] Treatment of Contaminated Water and Soil

(6)Analysis of sludge generated from decontamination device

(7)Radiochemical analysis of sludge generated from decontamination device

Overview of the research

[2B15-19] Radiochemical Analysis at Fukushima Daiichi NPS Site

(1)Research for actinide transfer to secondary waste from water treatment

(2)Study on origin of uranium for samples from turbine building of unit 1

(3)Study on the contamination in the reactor building unit 4 with analytical results of rubble

(4) Contamination of soils and their radionuclide composition

[3B01-04] Vitrification2

(1) Introductory talk

(2) Synthesis and Adsorption Studies of Aluminum Ferrocyanide

(3) Sorption properties of hexacyanoferrate for platinum group metals and molybdenum

(4) Process Evaluation

[3B05-08] Vitrification3

[3B09-13] Vitrification 4

(63)Development of Vitrification Technology for Low Level Radioactive Waste

(64)Migration behavior of surrogate nuclides to the treated incineration ash near the properties derived from a light water reactor

(65) Construction of Matrix Database

(66)Development of high waste loading glasses

(67) Effect of improved borosilicate glass on melter operation and behavior of platinum group metals

[1C01-05] Treatment of Radiolysis Gas 1

(7) Design of monolithic catalyst for passive autocatalytic recombiner and measurement of natural convection in a container

(8) Reaction mechanism of hydrogen recombination catalysts studied by synchrotron X-ray absorption spectroscopy

(9) Development of geopolymer based catalyst for passive autocatalytic recombiner and performance tests

(10) Experimental results for reducing hydrogen concentration in a storage container with PAR

(11) Numerical simulation of hydrogen behavior in storage container with PAR

[1C06-08] Treatment of Radiolysis Gas 2 and Use of Radiation

Study of controlling geopolymer paste's viscosity

Authentication