Oral presentation

[1D01-04] Hydrogen Generation

Wed. Sep 7, 2022 10:15 AM - 11:25 AM Room D (E1 Bildg.2F No.23)

Chair:Koichi Uozumi(CRIEPI)

10:15 AM - 10:30 AM

[1D01] Investigation on the temperature dependence of G value of H2 in Reprocessing solutions

(1) Overall plan

*Yoshikazu Tamauchi¹, Masanao Nakano¹, Satoshi Hasegawa¹, Kazuki Kubo¹ (1. JNFL)

10:30 AM - 10:45 AM

[1D02] Investigation on the temperature dependence of G value of H₂ in Reprocessing solutions

(2) Fabrication of test apparatus

*Masaaki Kaneko¹, Hiroki Yokoyama¹, Yoshionri Etoh¹, Kenichi Matsushima, Yoshikazu Tamauchi², Masanao Nakano², Satoshi Hasegawa², Kazuki Kubo² (1. Nippon Nuclear Fuel Development CO.,LTD, 2. Japan Nuclear Fuel, LTD)

10:45 AM - 11:00 AM

[1D03] Investigation on the temperature dependence of G value of H2 in Reprocessing solutions

(3)Acquisition of test data on temperature dependence of G values in dissolved solution

*Hiroki Yokoyama¹, Masaak Kaneko¹, Yoshinori Etoh¹, Kenichi Matsushima¹, Yoshikazu Tamauchi², Masanao Nakano², Satoshi Hasegawa², Kazuki Kubo² (1. NFD, 2. JNFL)

11:00 AM - 11:15 AM

[1D04] Investigation on the temperature dependence of G value of H2 in Reprocessing solutions

(4) Consideration on the temperature dependence of G value of H2 in dissolved solutions

*Kazuki Kubo¹, Masanao Nakano¹, Satoshi Hasegawa¹, Yoshikazu Tamauchi¹ (1. JNFL)

Time reserved for Chair （11:15 AM - 11:25 AM）

Oral presentation

[1D05-06] Boiling and Drying of High-level Liquid Waste

Wed. Sep 7, 2022 11:25 AM - 12:00 PM Room D (E1 Bildg.2F No.23)

Chair:Masaaki Kaneko(NFD)

11:25 AM - 11:40 AM

[1D05] Enhancement of Analysis Method for Important Phenomena of Severe Accidents at Reprocessing Plant

(11) Development of model to calculate precipitation rate from highly active liquid waste

*Hisayuki Kyo¹, Daisuke Fujiwara¹, Hiroshi Shirai¹, Takashi Kodama², Yoshikazu Tamauchi², Naoya Satou², Mikio Kumagai³ (1. TEPCO SYSTEMS CORPORATION, 2. Japan Nuclear Fuel Limited, 3. Ui Science inc.)

11:40 AM - 11:55 AM

[1D06] Study on applicability of zeolite for mitigation of RuO₄ release

(1) Composition change of coexisitng gas during volatile ruthenium removal by contact with zeolite

*Yuma Sekiguchi¹, Tetsuya Kato¹, Tsuyoshi Usami¹ (1. CRIEPI)

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

Oral presentation

[1D07-11] Recovery of Minor Actinides

Wed. Sep 7, 2022 2:45 PM - 4:10 PM Room D (E1 Bildg.2F No.23)

Chair:Yoshiharu Sakamura(CRIEPI)

2:45 PM - 3:00 PM

[1D07] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(12) Cold test evaluation of the MA+Ln recovery flowsheet

*Atsushi Sakamoto¹, Yuichi Sano¹, Masayuki Takeuchi¹ (1. JAEA)

3:00 PM - 3:15 PM

[1D08] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(13) Investigation and Evaluation of Flowsheet for MA + Ln Recovery in Hot Experiment

*Masaumi Nakahara¹, Atsushi Sakamoto¹, Yuichi Sano¹, Masayuki Takeuchi¹ (1. JAEA)

3:15 PM - 3:30 PM

[1D09] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(14) Column experiments using an adsorbent impregnated with NTAamide to construct flow sheet for MA/Ln separation

*Tatsuya Emori¹, Keisuke Morita¹, Yasutoshi Ban¹, Hiromori Sato², Tsuyoshi Arai², Yuichi Sano¹ (1. JAEA, 2. Shibaura Inst. of Tech.)

3:30 PM - 3:45 PM

[1D10] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(15)Structural effects of coexisting elements on rare earths adsorbed on HONTA adsorbent

*Kazuki Minowa¹, Junnosuke Fujita¹, Haruaki Matsuura¹, Sou Watanabe², Yuichi Sano² (1. TCU, 2. JAEA)

3:45 PM - 4:00 PM

[1D11] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(16) Flowsheet Design & Evaluation

*Yuichi Sano¹, Tsuyoshi Arai², Kiyoharu Nakatani³, Haruaki Matsuura⁴, Shigeru Kunii⁵ (1. JAEA, 2. Shibaura Inst. of Tech., 3. Univ. of Tsukuba, 4. TCU, 5. Chemicrea)

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

Oral presentation

[1D12-16] Aqueous Reprocessing and Pyroprocessing

Wed. Sep 7, 2022 4:10 PM - 5:30 PM Room D (E1 Bildg.2F No.23)

Chair:Masaumi Nakahara(JAEA)

4:10 PM - 4:25 PM

[1D12] Development of new extractants for MA / RE separation in SELECT process

*Hideya Suzuki¹, Kojiro Shimojo¹, Tatsuya Emori¹, Nao Tsutsui¹, Tatsuya Kurosawa¹, Mitsunobu Shibata¹, Tomohiro Kawasaki¹, Yasutoshi Ban¹ (1. Japan Atomic Energy Agency)

4:25 PM - 4:40 PM

[1D13] Effect of branched side chains on the extraction and phase separation properties of cyclic monoamide extractants for selective separation of U(VI)

*Hiroki Kita¹, Masanobu Nogami¹, Kenji Shirasaki², Chikage Abe² (1. Kindai Univ., 2. Tohoku Univ.)

4:40 PM - 4:55 PM

[1D14] Effect of solid catalyst on the hydrothermal decomposition of solvent degradation products from reprocessing process.

*Tetsuo Honma¹, Mayu Shimosawa¹, Tatsuya Horimai², Kiyoshi Anzai², Takeshi Tsukada² (1. NIT Hachinohe College, 2. JNFL)

4:55 PM - 5:10 PM

[1D15] A study on the removal of fission products from LiCl-KCl molten salt used in electrorefining

Actinide/lanthanide separation by batch-type countercurrent extraction using liquid Cd

*Yoshiharu Sakamura¹ (1. Central Research Institute of Electric Power Industry)

5:10 PM - 5:25 PM

[1D16] Development of spent salt treatment technology using zeolite

(8) Zeolite immersion experiments in simulating spent salt containing various kinds of FP elements and fabrication of glass-bonded sodalite waste form

*Koichi Uozumi¹, Masatoshi Iizuka¹, Hirohide Kofuji² (1. CRIEPI, 2. JAEA)

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

Sessions

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

[1D01-04] Hydrogen Generation

[1D01] Investigation on the temperature dependence of G value of H2 in Reprocessing solutions

(1) Overall plan

[1D02] Investigation on the temperature dependence of G value of H₂ in Reprocessing solutions

(2) Fabrication of test apparatus

[1D03] Investigation on the temperature dependence of G value of H2 in Reprocessing solutions

(3)Acquisition of test data on temperature dependence of G values in dissolved solution

[1D04] Investigation on the temperature dependence of G value of H2 in Reprocessing solutions

(4) Consideration on the temperature dependence of G value of H2 in dissolved solutions

[1D05-06] Boiling and Drying of High-level Liquid Waste

[1D05] Enhancement of Analysis Method for Important Phenomena of Severe Accidents at Reprocessing Plant

(11) Development of model to calculate precipitation rate from highly active liquid waste

[1D06] Study on applicability of zeolite for mitigation of RuO₄ release

(1) Composition change of coexisitng gas during volatile ruthenium removal by contact with zeolite

[1D07-11] Recovery of Minor Actinides

[1D07] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(12) Cold test evaluation of the MA+Ln recovery flowsheet

[1D08] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(13) Investigation and Evaluation of Flowsheet for MA + Ln Recovery in Hot Experiment

[1D09] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(14) Column experiments using an adsorbent impregnated with NTAamide to construct flow sheet for MA/Ln separation

[1D10] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(15)Structural effects of coexisting elements on rare earths adsorbed on HONTA adsorbent

[1D11] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(16) Flowsheet Design & Evaluation

[1D12-16] Aqueous Reprocessing and Pyroprocessing

[1D12] Development of new extractants for MA / RE separation in SELECT process

[1D13] Effect of branched side chains on the extraction and phase separation properties of cyclic monoamide extractants for selective separation of U(VI)

[1D14] Effect of solid catalyst on the hydrothermal decomposition of solvent degradation products from reprocessing process.

[1D15] A study on the removal of fission products from LiCl-KCl molten salt used in electrorefining

Actinide/lanthanide separation by batch-type countercurrent extraction using liquid Cd

[1D16] Development of spent salt treatment technology using zeolite

(8) Zeolite immersion experiments in simulating spent salt containing various kinds of FP elements and fabrication of glass-bonded sodalite waste form

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