Oral presentation

[2B07-09] Severe Accident at Reprocessing Plant

Thu. Sep 9, 2021 2:45 PM - 3:40 PM Room B

chair: Yasutoshi Ban (JAEA)

2:45 PM - 3:00 PM

[2B07] Enhancement of Analysis Method for Important Phenomena of Severe Accident at Reprocessing Plant

(8)Study for Enhancement of Aerosol and Mist Analysis Models in FATE Code

*Daisuke Fujiwara¹, Hisayuki Kyo¹, Hiroshi Shirai¹, Yoshikazu Tamauchi², Takashi Kodama², Hiroshi Kinuhata² (1. TEPSYS, 2. JNFL)

3:00 PM - 3:15 PM

[2B08] Study on ruthenium volatilization during evaporation and dryness of nitrate solution

Reduction of formation of volatile ruthenium tetroxide by addition of hydroxide

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

3:15 PM - 3:30 PM

[2B09] Estimation of Performance of Type-A and Type-X Zeolite on Volatile Ruthenium Removal

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

Time reserved for Chair （3:30 PM - 3:40 PM）

Oral presentation

[2B10-13] Aqueous Reprocessing & Waste Treatment

Thu. Sep 9, 2021 3:40 PM - 4:50 PM Room B

chair: Atsushi Sakamoto (JAEA)

3:40 PM - 3:55 PM

[2B10] Feasibility study for LWR MOX spent fuel reprocessing using PUREX process

(3)Study on solvent degradation and comprehensive evaluation

*Takeshi Tsukada¹ (1. CRIEPI)

3:55 PM - 4:10 PM

[2B11] Development of microwave hybrid heating method by using CNT-containing ceramics composites

*Tomoomi Segawa¹, Koichi Kawaguchi¹, Katsunori Ishii¹, Ayaka Tamaru², Masaaki Yamada², Tomonori Fukasawa², Toru Ishigami², Kunihiro Fukui² (1. JAEA, 2. Hiroshima Univ.)

4:10 PM - 4:25 PM

[2B12] Effects of various operating parameters on the decomposition of dibutyl phosphate using the vapor-phase pulsed discharge technique.

*Mitsuru Sasaki¹, Ryohei Mori¹, Tatsuya Horimai², Norio Kanehira² (1. Kumamoto University, 2. Japan Nuclear Fuel Limited (JNFL))

4:25 PM - 4:40 PM

[2B13] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(30)Analysis Study on Cs and Sr adsorption process in LWTF

*Fuminori Sato¹, Shoji Kataoka¹, Tatsuya Suzuki², Shinsuke Miyabe³, Takashi Sakuma⁴, Hidetomo Shirozu¹ (1. JAEA, 2. Nagaoka Univ. of Tech., 3. Nippon Chemical Industrial, 4. Ebara Corporaiton)

Time reserved for Chair （4:40 PM - 4:50 PM）

Oral presentation

[2B14-17] Aqueous Partitioning & Pyroprocessing

Thu. Sep 9, 2021 4:50 PM - 6:00 PM Room B

chair: Yuji Sasaki (JAEA)

4:50 PM - 5:05 PM

[2B14] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(9)Evaluation of the extraction performance on the centrifugal contactors for the MA-Ln recovery flowsheet test

*Atsushi Sakamoto¹, Yuichi Sano¹, Masayuki Takeuchi¹, Nobuo Okamura¹, Masayuki Watanabe¹ (1. JAEA)

5:05 PM - 5:20 PM

[2B15] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(10)Safety assessment of HONTA-impregnated Silica-based adsorbent for low pressure loss extraction chromatography

*Yasunori Miyazaki¹, Nobuo Okamura¹, Masayuki Watanabe¹, Yuichi Sano¹ (1. Japan Atomic Energy Agency)

5:20 PM - 5:35 PM

[2B16] Development of a new extraction method for americium separation from high-level liquid waste (2)

*Hideya Suzuki¹, Yasutoshi Ban¹, Shinobu Hotoku¹, Keisuke Morita¹, Nao Tsutsui¹, Tatsuya Kurosawa¹, Mitsunobu Shibata¹, Tomohiro Kawasaki¹, Tatsuro Matsumura¹ (1. Japan Atomic Energy Agency)

5:35 PM - 5:50 PM

[2B17] Electrochemical recovery of rare earths by using Si cathode in LiCl-KCl melt

*Tsuyoshi Murakami¹, Yoshiharu Sakamura¹, Koichi Uozumi¹, Masatoshi Iizuka¹ (1. CRIEPI)

Time reserved for Chair （5:50 PM - 6:00 PM）

Sessions

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

[2B07-09] Severe Accident at Reprocessing Plant

[2B07] Enhancement of Analysis Method for Important Phenomena of Severe Accident at Reprocessing Plant

(8)Study for Enhancement of Aerosol and Mist Analysis Models in FATE Code

[2B08] Study on ruthenium volatilization during evaporation and dryness of nitrate solution

Reduction of formation of volatile ruthenium tetroxide by addition of hydroxide

[2B09] Estimation of Performance of Type-A and Type-X Zeolite on Volatile Ruthenium Removal

[2B10-13] Aqueous Reprocessing & Waste Treatment

[2B10] Feasibility study for LWR MOX spent fuel reprocessing using PUREX process

(3)Study on solvent degradation and comprehensive evaluation

[2B11] Development of microwave hybrid heating method by using CNT-containing ceramics composites

[2B12] Effects of various operating parameters on the decomposition of dibutyl phosphate using the vapor-phase pulsed discharge technique.

[2B13] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(30)Analysis Study on Cs and Sr adsorption process in LWTF

[2B14-17] Aqueous Partitioning & Pyroprocessing

[2B14] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(9)Evaluation of the extraction performance on the centrifugal contactors for the MA-Ln recovery flowsheet test

[2B15] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(10)Safety assessment of HONTA-impregnated Silica-based adsorbent for low pressure loss extraction chromatography

[2B16] Development of a new extraction method for americium separation from high-level liquid waste (2)

[2B17] Electrochemical recovery of rare earths by using Si cathode in LiCl-KCl melt

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