Oral presentation

[1C06-08] Concrete 1

Wed. Sep 6, 2023 2:45 PM - 3:30 PM Room C (IB Bildg.1F IB015)

Chair:Masaya Ida(Taiheiyo Consultant)

2:45 PM - 3:00 PM

[1C06] Development of treatment for low radioactive waste in Tokai Reprocessing Plant

(31) Study on cement solidification in full-scale kneading

*hiroki tsunoda¹, shoji kataoka¹, masato takano¹, fuminori sato¹ (1. JAEA)

3:00 PM - 3:15 PM

[1C07] Demonstration of an Incinerator for Flame-retarded TRU Wastes(9)

Technical report on replace of incinerator for incinerating waste containing alpha nuclides

*Shota Maki¹, Kiyoto Yamashita¹, Kazuhiro Yokosuka¹, Masahiro Fukui¹, Masatoshi Watahiki¹ (1. JAEA)

3:15 PM - 3:30 PM

[1C08] Study of penetration and leaching behavior for Cs-contaminated concrete

-Evaluation of Changes in Mortar Structure Caused by Dry-Wet Cycles-

*Kosuke Kondo¹, Isamu Sato¹, Haruaki Matsuura¹, Daiki Fujino¹, Norihiko Kurihara¹, Kunihisa Nakajima² (1. Tokyo City University, 2. Japan Atomic Energy Agency)

Oral presentation

[1C09-13] Concrete 2

Wed. Sep 6, 2023 3:30 PM - 4:45 PM Room C (IB Bildg.1F IB015)

Chair:Takashi Jintoku(RWMC)

3:30 PM - 3:45 PM

[1C09] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(16) Overall plan of the Study

Ippei Maruyama^1,6, Kazuo Yamada², *Kazutoshi Shibuya³, Yoshifumi Hosokawa⁴, Yasumasa Tojo⁵, Yo Hibino⁶, Go Igarashi⁶, Yoshikazu Koma⁷ (1. U Tokyo, 2. NIES, 3. Taiheiyo Consultant, 4. Taiheiyo Cement, 5. Hokkaido Univ., 6. Nagoya Univ., 7. JAEA)

3:45 PM - 4:00 PM

[1C10] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(17) Ageing concrete condition to be considered

*Go Igarashi², Kazuo Yamada⁶, Kazutoshi Shibuya⁴, Yoshifumi Hosokawa⁵, Yasumasa Tojo³, Yoshikazu Koma⁷, Ippei Maruyama¹ (1. U Tokyo, 2. Nagoya Univ., 3. Hokkaido Univ., 4. Taiheiyo Consultant, 5. Taiheiyo Cement, 6. NIES, 7. JAEA)

4:00 PM - 4:15 PM

[1C11] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(18) Behavior of water uptake in concrete

Ippei Maruyama¹, *Go Igarashi², Kazuo Yamada³, Kazutoshi Shibuya⁴, Yoshifumi Hosokawa⁵, Yasumasa Tojo⁶, Yoshikazu Koma⁷ (1. UTokyo, 2. NagoyaU, 3. NIES, 4. Taiheiyo Consultant, 5. Taiheiyo cement, 6. Hokkaido Univ., 7. JAEA)

4:15 PM - 4:30 PM

[1C12] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(19) Development of simulation model of ions penetration for Concrete -1-

*Yoshifumi Hosokawa¹, Kazuo Yamada², Ippei Maruyama³, Yoshikazu Koma⁴, Sayuri Tomita⁵, Kazuko Haga⁵, Kazutoshi Shibuya⁵ (1. TAIHEIYO CEMENT, 2. NIES, 3. U Tokyo / Nagoya Univ., 4. JAEA, 5. Taiheiyo Consultant)

4:30 PM - 4:45 PM

[1C13] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(20) Development of simulation model of ions penetration for Concrete-2-

*Sayuri Tomita¹, Yoshifumi Hosokawa², Kazuo Yamada³, Ippei Maruyama^4,5, Yoshikazu Koma⁶, Kazuko Haga¹, Kazutoshi Shibuya¹ (1. Taiheiyo Consultant, 2. Taiheiyo Cement, 3. NIES, 4. U Tokyo, 5. Nagoya Univ., 6. JAEA)

Oral presentation

[1C14-18] Concrete 3

Wed. Sep 6, 2023 4:45 PM - 6:00 PM Room C (IB Bildg.1F IB015)

Chair:Hiroyuki Sakamoto(RWMC)

4:45 PM - 5:00 PM

[1C14] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(21) Estimation of the penetration depth of radioactive cesium in concrete exposed to contaminated cooling water

Keita Himori¹, Kazuo Yamada², *Tsuneki Ichikawa^1,2, Hideyuki Hokora³, Yasumasa Tojo¹ (1. Hokkaido Univ, 2. NIES, 3. Taiheiyo Consultant)

5:00 PM - 5:15 PM

[1C15] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(22)Different penetration behaviors of Cs and Sr in cracked concrete

Norio Muranaka², *Kazuo Yamada¹, Hideyuki Hokora³, Yasumasa Tojo², Ippei Maruyama⁴ (1. NIES, 2. Hokkaido Univ., 3. Taiheiyo Consultant, 4. U. Tokyo)

5:15 PM - 5:30 PM

[1C16] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(23) Penetration of alpha nuclides into hardened cement pastes simulating cracking

*Haruka Aihara¹, Hiroshi Hinai¹, Yoshikazu Koma¹, Sayuri Tomita², Ippei Maruyama³ (1. JAEA, 2. Taiheiyo Consultant, 3. UTokyo)

5:30 PM - 5:45 PM

[1C17] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(24)Estimate the amount of radioactive pollution in cracked concrete

*Hideyuki Hokora¹, Kazutoshi Shibuya¹, Kazuo Yamada², Ippei Maruyama^3,4 (1. Taiheiyo Consultant, 2. NIES, 3. UTokyo, 4. Nagoya Univ.)

5:45 PM - 6:00 PM

[1C18] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(25) Expected application of results and further technical issues

*Yoshikazu Koma¹, Kazuo Yamada², Kazutoshi Shibuya³, Yoshifumi Hosokawa⁴, Yasumasa Tojo⁵, Yo Hibino⁶, Go Igarashi⁶, Ippei Maruyama⁷ (1. JAEA, 2. NIES, 3. Taiheiyo Consultant, 4. Taiheiyo Cement, 5. Hokkaido Univ., 6. Nagoya Univ., 7. U Tokyo / Nagoya Univ.)

Oral presentation

[1E01-03] Sorption Separation 1

Wed. Sep 6, 2023 10:15 AM - 11:05 AM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Takatoshi Hijikata(CRIEPI)

10:15 AM - 10:30 AM

[1E01] Creation of Porous Polysiloxane Sponge Enabling Catch and Release of Uranium

*Atsuro Furuichi¹, Naokazu Idota², Takehiko Tsukahara^1,2 (1. TokyoTech, School of Mater. Chem. Technol, 2. TokyoTech, Zero-Carbon Energy)

10:30 AM - 10:45 AM

[1E02] Uranium recovery from leachate of sludges generated from nuclear fuel fabrication process

(4)Evaluation of oxide conversion condition after temperature swing extraction process

*Masao Kai¹, Toshihiro Iwamoto¹, Madoka Saito¹, Youko Takahatake¹, Sou Watanabe¹, Masahiro Nakamura¹, Atsuki Naruse², Naokazu Itoda², Takehiko Tsukahara² (1. JAEA, 2. Tokyo Tech)

10:45 AM - 11:00 AM

[1E03] Evaluation of Soluble Alpha Nuclide Removal Adsorbents for Fuel Debris Retrieval

*Rena Misawa^1,2, Naoki Tajima^1,2, Yu Yamashita^1,2, Yuki Inoue^1,2, Chiaki Shimoda^1,2, Naoki Miyazawa^1,2, Takahiro Suenaga^1,2, Kenji Fujihata^1,2, Seiji Yamamoto^1,2 (1. IRID, 2. TOSHIBA ESS)

Time reserved for Chair （11:00 AM - 11:05 AM）

Oral presentation

[1E04-06] Sorption Separation 2

Wed. Sep 6, 2023 11:05 AM - 11:55 AM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Rena Misawa(TOSHIBA ESS)

11:05 AM - 11:20 AM

[1E04] Development of α nuclide removal system for treatment of contaminated water at Fukushima Daiichi Nuclear Power Station

(1)Removal examination of iron particles which attached α nuclide by powder adsorbent

*Akira Tsutsumiguchi¹, Kazushige Ishida¹ (1. Hitachi)

11:20 AM - 11:35 AM

[1E05] Immobilization of metal ions and effect of Fe-modification using heat-treatment of Na-P1 artificial zeolite for radionuclide decontamination

*Ami Takahashi¹, Y Itagaki¹, Hiromichi Aono¹ (1. Ehime Univercity)

11:35 AM - 11:50 AM

[1E06] Cesium and Strontium adsorption characteristics on crystalline silicotitanite (CST) sorbent(2)

*Takatoshi Hijikata¹, Kenta Inagaki¹, Masafumi Kubota², Yasuhiro Suzuki² (1. CRIEPI, 2. TEPCO HD)

Time reserved for Chair （11:50 AM - 11:55 AM）

Oral presentation

[1E07-09] Vitrification 1

Wed. Sep 6, 2023 2:45 PM - 3:30 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Tsuyoshi Usami(CRIEPI)

2:45 PM - 3:00 PM

[1E07] Evaluation of Chemical Durability of Vitrified Waste Forms for Secondary Wastes Generated from Decontamination of Effluents at Fukushima Dai-ichi NPP

*Miho Iida¹, Yaohiro Inagaki¹, Tatsumi Arima¹, Toshiro Oniki², Yasutomo Tajiri², Yasushi Usui² (1. Kyushu Univ., 2. IHI)

3:00 PM - 3:15 PM

[1E08] Development of Plasma Torch Melting Facility for Treatment of Radioactive Wastes Generated by Nuclear Power Plant

*Sunghoon Hong¹, Jeongsu Jeong¹, Cheon-Woo Kim¹ (1. Central Research Institute of Korea Hydro & Nuclear Power Co., LTD.)

3:15 PM - 3:30 PM

[1E09] Vitrification of Combustible Low and Intermediate Level Wastes using Cold Crucible Induction Melter (CCIM)

*Deukman Kim¹, Seokju Hwang¹, Jungkwon Son¹ (1. KHNP CRI)

Oral presentation

[1E10-14] Vitrification 2

Wed. Sep 6, 2023 3:30 PM - 4:45 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Tatsumi Arima(Kyushu Univ.)

3:30 PM - 3:45 PM

[1E10] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(116) Development of glass matrix ; Summary of FY2022 Results

*Satoshi Komamine¹, Kouhei Oowaku¹, Norio Kanehira¹, Tetsuji Yano², Noritaka Saito³, Kunihiko Nakashima³ (1. JNFL, 2. Tokyo Tech, 3. Kyushu Univ.)

3:45 PM - 4:00 PM

[1E11] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(117)Reaction of insoluble residue in cold cap

*Tsuyoshi Usami¹, Kazuyoshi Uruga¹ (1. CRIEPI)

4:00 PM - 4:15 PM

[1E12] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(118) Examination of YP formation mechanisms by experiments using zirconium molybdate as a starting material (2)

*Takayuki Nagai¹, Nanako Katsuoka¹, Yoshihiro Okamoto¹, Daisuke Akiyama², Akira Kirishima² (1. JAEA, 2. Tohoku Univ.)

4:15 PM - 4:30 PM

[1E13] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(119)Aapplicability evaluation of pretreated HLW to glass melter for diversity of HLW

*KUNIHIKO NAKANO¹, ATSUMI MIYAJIMA¹, HARUKA TADA¹, TOSHIRO ONIKI¹ (1. IHI)

4:30 PM - 4:45 PM

[1E14] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(120) Development to inhibition technique of DBP effect in vitrification process.

*Tatsuya Horimai¹, Kiyoshi Anzai¹, Takeshi Tsukada¹, Norio Kanehira¹, Syun Ohta², Masanobu Sagisaka² (1. JNFL, 2. Hirosaki Univ.)

Oral presentation

[1E15-19] Vitrification 3

Wed. Sep 6, 2023 4:45 PM - 6:00 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Satoshi Okada(HGNE)

4:45 PM - 5:00 PM

[1E15] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(121) Evaluation of the behavior of γ-ray degraded products generated from adsorbent for Extraction Chromatography

*Yu Kazama¹, Hiroki Fukumoto¹, Yasunori Miyazaki², Yuichi Sano² (1. Ibaraki Univ., 2. JAEA)

5:00 PM - 5:15 PM

[1E16] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(122) Examination of MA separation process conditions using TEHDGA and HONTA adsorbents

*Kenta Katsuki¹, Kenta Ishizawa¹, Tsuyoshi Arai¹, Sou Watanabe², Yuichi Sano², Masayuki Takeuchi² (1. Shibaura Inst. of Tech., 2. JAEA)

5:15 PM - 5:30 PM

[1E17] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(123) Study of removal method of adsorbed interfering elements by metastannic acid

*Hirotsugu Ichihara¹, Kenta Katsuki¹, Tsuyoshi Arai¹, Sou Watanabe², Yuichi Sano², Masayuki Takeuchi² (1. Shibaura Inst. of Tech., 2. JAEA)

5:30 PM - 5:45 PM

[1E18] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(124) Study of decomposition and regeneration methods for spent adsorbent

*Izumi Saito¹, Go Shinoda¹, Tsuyoshi Arai¹, Yasunori Miyazaki², Yuichi Sano², Masayuki Takeuchi² (1. Shibaura Inst. of Tech., 2. JAEA)

5:45 PM - 6:00 PM

[1E19] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(125) Extraction Behavior of Neptunium in Solvent Extraction Process

*Masaumi Nakahara¹, Takehiko Sato¹, Yuichi Sano¹ (1. JAEA)

Oral presentation

[2E01-04] 1F Waste 1

Thu. Sep 7, 2023 9:30 AM - 10:35 AM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Rui Akayama(TOSHIBA ESS)

9:30 AM - 9:45 AM

[2E01] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(37) Investigation of solidification range for simulated sludge

*Takumi Taniguchi¹, Ryo Kuramochi¹, Ryo Sakamoto^1,2, Norihisa Osawa^1,2, Yoshihisa Kaneda², Kazuki Matsuzawa³, Takeshi Yamamoto³, Ryoichiro Kuroki¹, Takeshi Osugi¹ (1. JAEA, 2. Taiheiyo Consultant, 3. CRIEPI)

9:45 AM - 10:00 AM

[2E02] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(38) Criteria for heat generation during kneading in low-temperature solidification possibility screening

*Yoshihisa Hiraki¹, Koichi Tabata¹, Takumi Taniguchi¹, Ryoichiro Kuroki¹, Takeshi Osugi¹ (1. JAEA)

10:00 AM - 10:15 AM

[2E03] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(39) Evaluation of test methods for fluidity, compressive strength, and leaching properties in low-temperature solidification possibility screening

*Norihisa Osawa^1,2, Yoshihisa Kaneda¹, Ryo Sakamoto^1,2, Takumi Taniguchi², Ryoichiro Kuroki², Takeshi Osugi² (1. Taiheiyo Consultant, 2. JAEA)

10:15 AM - 10:30 AM

[2E04] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(40) Study of Leaching Test Method for Disposal Environments

*Yuta Takahashi¹, Takumi Taniguchi¹, Ryoichiro Kuroki¹, Takeshi Osugi¹ (1. JAEA)

Time reserved for Chair （10:30 AM - 10:35 AM）

Oral presentation

[2E05-07] 1F Waste 2

Thu. Sep 7, 2023 10:35 AM - 11:25 AM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Eiki ADACHI(Fuji Electric)

10:35 AM - 10:50 AM

[2E05] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(41) Determination of degradation acceleration on solidified body by efflorescence test

*Junya Sato¹, Ryo Kuramochi¹, Koki Shimizu¹, Saori Matsumoto¹, Takumi Taniguchi¹, Ryoichiro Kuroki¹, Takeshi Osugi¹ (1. JAEA)

10:50 AM - 11:05 AM

[2E06] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(42)Evaluation of long-term alteration of cement or Alkali Activated Material solidified body promoted by heating cure and accelerated carbonation

*Ryo SAKAMOTO^1,2, Yoshihisa KANEDA¹, Yutaro KOBAYASHI¹, Kazuko HAGA¹, Takumi TANIGUCHI², Ryoichiro KUROKI², Takeshi OSUGI² (1. Taiheiyo Consultant, 2. JAEA)

11:05 AM - 11:20 AM

[2E07] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(43) Crystallization of amorphous phases formed in Alkali Activated Material solidified body

*Yutaro Kobayashi¹, Norihisa Osawa^1,3, Kazuko Haga¹, Yoshihisa Kaneda¹, Chaerun Islam Raudhatul², Tsutomu Sato², Takumi Taniguchi³, Ryoichiro Kuroki³, Takeshi Osugi³ (1. Taiheiyo Consultant, 2. Hokkaido Univ., 3. JAEA)

Time reserved for Chair （11:20 AM - 11:25 AM）

Oral presentation

[2E08-09] Geopolymer

Thu. Sep 7, 2023 11:25 AM - 12:00 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Miki Harigai(RWMC)

11:25 AM - 11:40 AM

[2E08] Investigation on hydrogen generation behavior related to material properties of geopolymer.

*Rui Akayama¹, Kanae Matsuyama¹, Masaru Yuhara¹, Masumitsu Toyohara¹ (1. TOSHIBA ESS)

11:40 AM - 11:55 AM

[2E09] A geopolymer for solidification of radioactive waste

(11) A relationship between void and sorption partition coefficient of geopolymers

*Eiki ADACHI¹, Nobuyuki SEKINE (1. Fuji electric)

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

Oral presentation

[2E10-12] 1F Waste 3

Thu. Sep 7, 2023 2:45 PM - 3:35 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Yoshikazu Koma(JAEA)

2:45 PM - 3:00 PM

[2E10] Challenge of Novel Hybrid-waste-solidification of Mobile Nuclei Generated in Fukushima Nuclear Power Station and Establishment of Rational Disposal Concept and its Safety Assessment

(11)Recent progress and selection of materials for hybrid waste solidification

*Masahiko Nakase¹, Ryosuke Maki², Tomofumi Sakuragi³, Hidekazu Asano³, Miki Harigai³, Hidetoshi Kikunaga⁴, Tohru Kobayashi⁵, Satofumi Maruyama⁶ (1. Tokyo Institute of Technology, 2. Okayama University of Science, 3. Radioactive Waste Management Funding and Research Center, 4. Tohoku University, 5. Japan Atomic Energy Agency, 6. Tokyo City University)

3:00 PM - 3:15 PM

[2E11] Challenge of Novel Hybrid-waste-solidification of Mobile Nuclei Generated in Fukushima Nuclear Power Station and Establishment of Rational Disposal Concept and its Safety Assessment

(12) Fabrication and comprehensive characterization of hybrid waste

*Ryosuke Maki¹, Masahiko Nakase², Hidetoshi Kikunaga³, Tohru Kobayashi⁴, Tomofumi Sakuragi⁵, Miki Harigai⁵, Shingo Tanaka⁵, Hidekazu Asano⁵, Satofumi Maruyama⁶ (1. Okayama Univ. Sci., 2. Tokyo Tech., 3. Tohoku Univ., 4. JAEA, 5. RWMC, 6. Tokyo City Univ.)

3:15 PM - 3:30 PM

[2E12] Challenge of Novel Hybrid-waste-solidification of Mobile Nuclei Generated in Fukushima Nuclear Power Station and Establishment of Rational Disposal Concept and its Safety Assessment

(13) Safety assessment considering leaching characteristics of hybrid waste and nuclides

*Miki Harigai¹, Shingo Tanaka¹, Tomofumi Sakuragi¹, Hidekazu Asano^1,2, Masahiko Nakase², Ryosuke Maki³, Hidetoshi Kikunaga⁴, Tohru Kobayashi⁵ (1. RWMC, 2. Tokyo Tech, 3. OUS, 4. Tohoku Univ., 5. JAEA)

Time reserved for Chair （3:30 PM - 3:35 PM）

Oral presentation

[2E13-16] Debris 1

Thu. Sep 7, 2023 3:35 PM - 4:40 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Masahiko Nakase(Tokyo Tech)

3:35 PM - 3:50 PM

[2E13] Study on phase relation of simulated fuel debris in U-Fe-O system under inert atmosphere

*HIromi Ino¹, Daisuke Akiyama¹, Akira Kirishima¹ (1. Tohoku Univ.)

3:50 PM - 4:05 PM

[2E14] Analysis of U-Zr-Gd-O simulated fuel debris particles using micro XAFS

(1)Development of micro XAFS/XRF/XRD simultaneous measurement system

*Yoshihiro Okamoto¹, Daisuke Akiyama², Akira Kirishima², Hajime Tanida¹ (1. JAEA, 2. Tohoku Univ.)

4:05 PM - 4:20 PM

[2E15] Analysis of U-Zr-Gd-O simulated fuel debris particles using micro XAFS

(2) Evaluation of crystal structure, composition and redox state

*Daisuke Akiyama¹, Yoshihiro Okamoto², Hajime Tanida², Akira Kirishima¹ (1. Tohoku Univ., 2. JAEA)

4:20 PM - 4:35 PM

[2E16] α-emitting nuclides analysis of the stagnant water including sediments in Fukushima Daiichi NPS

(6) Chemical state analysis of α-emitting nuclide particles obtained from unit #3 stagnant water sludge (part 2)

*Asahi Nitta¹, Akane Usui¹, Yukako Yamaguchi¹, Yoshihiro Sekio¹, Koji Maeda¹, Yoshikazu Koma¹, Katsuhiro Konno² (1. JAEA, 2. TEPCO HD)

Time reserved for Chair （4:35 PM - 4:40 PM）

Oral presentation

[2E17-19] Debris 2

Thu. Sep 7, 2023 4:40 PM - 5:30 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Ryosuke Maki(Okayama Univ. of Science)

4:40 PM - 4:55 PM

[2E17] Relation of Cooling Rate to Crystal Structure and Microstructure of (U, Zr)O₂

(1) Characterization of (U, Zr)O₂ by XRD and SEM/EDS

*Yoichi Endo¹, Kan Sakamoto¹, Atsushi Ouchi¹, Masato Mizokami², Mutsumi Hirai² (1. NFD, 2. TEPCO HD)

4:55 PM - 5:10 PM

[2E18] Relation of Cooling Rate to Crystal Structure and Microstructure of (U, Zr)O₂

(2) Characterization of (U, Zr)O₂ by TEM/EDS

*KAN SAKAMOTO¹, Yoichi Endo¹, Hiroki Yokoyama¹, Masato Mizokami², Mutsumi Hirai² (1. NFD, 2. TEPCO HD)

5:10 PM - 5:25 PM

[2E19] Studies on Dissolution Behavior of Uranium from Simulated Nuclear Fuel debris using a Microfluidic Device

*TONGYU XU¹, Naokazu Idota¹, Takehiko Tsukahara¹ (1. Tokyo Tech)

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

Oral presentation

[2E20-22] Stabilization/immobilization

Thu. Sep 7, 2023 5:30 PM - 6:20 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:KAN SAKAMOTO(NFD)

5:30 PM - 5:45 PM

[2E20] Development of halide salt stabilization technology

*Youko Takahatake¹, Sou Watanabe¹, Masahiro Nakamura¹ (1. JAEA)

5:45 PM - 6:00 PM

[2E21] Development of stable solidification technique of ALPS sediment wastes by phosphate-based ceramics

*Kenji Takeshita¹, Shinta Watanabe¹, Masahiko Nakase¹, Ryoichi Masuda² (1. Tokyo Institute of Technology, 2. TEPCO)

6:00 PM - 6:15 PM

[2E22] Investigation of phase transition of Cs adsorbed mordenite for construction of liquid phase sintering solidification

*Michika Kawaguchi¹, Takuya Tomono¹, Tsuyoshi Arai¹ (1. Shibaura Inst. of Tech.)

Time reserved for Chair （6:15 PM - 6:20 PM）

Oral presentation

[3E01-05] Nuclide Separation 1

Fri. Sep 8, 2023 9:30 AM - 10:50 AM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Jun Onoe(Nagoya Univ.)

9:30 AM - 9:45 AM

[3E01] Development of Nuclide Separation Process from High-level Liquid Waste using Impregnated Adsorbent

(1) Study of Chromatographic Separation of Platinum-group Metals using Sulfur-containing Amide-type Impregnated Adsorbents

*Naoki Osawa^1,2, Mai Tanaka^1,2, Hao Wu¹, Seong-Yun Kim¹ (1. Tohoku Univ., 2. JNFL)

9:45 AM - 10:00 AM

[3E02] Development of Nuclide Separation Process from High-level Liquid Waste using Impregnated Adsorbent

(2) Adsorption and Separation Characteristics of Platinum-group Metals and Oxoacid Ions using Sulfur-containing Amide-type Impregnated Adsorbent

*Mai Tanaka^1,2, Naoki Osawa^1,2, Masahiko Kubota¹, Tatsuya Ito³, Ryuji Nagaishi³, Seong-Yun Kim¹ (1. Tohoku Univ., 2. JNFL, 3. JAEA)

10:00 AM - 10:15 AM

[3E03] Development of Nuclide Separation Process from High-level Liquid Waste using Impregnated Adsorbent

(3) Study of simplifying the separation process by using a single column

*Masahiko Kubota^1,2, Seong-Yun Kim¹ (1. Tohoku Univ., 2. J-CAL)

10:15 AM - 10:30 AM

[3E04] Development of Nuclide Separation Process from High-level Liquid Waste using Impregnated Adsorbent

(4) Adsorption and separation behavior of MA + RE on CMPO Impregnated Adsorbent

*Riho Okajima^1,2, Masahiko Kubota¹, Seong-Yun Kim¹ (1. Tohoku Univ., 2. JNFL)

10:30 AM - 10:45 AM

[3E05] Development of Nuclide Separation Process from High-level Liquid Waste using Impregnated Adsorbent

(5) Evaluation of Nuclide Partitioning Process by Using Column Simulation

*Kazuya Numao^1,2, Seong-Yun Kim¹ (1. Tohoku Univ., 2. JNFL)

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

Oral presentation

[3E06-09] Nuclide Separation 2

Fri. Sep 8, 2023 10:50 AM - 11:55 AM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Youko Takahatake(JAEA)

10:50 AM - 11:05 AM

[3E06] Recovery of platinum group elements using metal-organic nanospace materials:

(I) Introductory talk

*Jun Onoe¹ (1. Nagoya University)

11:05 AM - 11:20 AM

[3E07] Recovery of platinum group elements using metal-organic nanospace materials

(II) Control of uptake properties by charge state of Prussian blue

*Masato Nakaya¹, Koki Okumura¹, Yasutaka Kitagawa², Jun Onoe¹ (1. Nagoya Univ., 2. Osaka Univ.)

11:20 AM - 11:35 AM

[3E08] Recovery of platinum group elements using metal-organic nanospace materials

(III) Theoretical study on effect of applied electric field on Rh(III) ion diffusion in Prussian blue nanospace

*Yasutaka Kitagawa¹, Kazuki Honjo¹, Masato Nakaya², Jun Onoe² (1. Osaka University, 2. Nagoya University)

11:35 AM - 11:50 AM

[3E09] Recovery of platinum group elements using metal-organic nanospace materials:

(IV) Highly selective uptake performance of palladium ions among platinum group elements using copper hexacyanoferrate films

*Junya Murakami¹, Masato Nakaya¹, Jun Onoe¹ (1. Nagoya Univ.)

Time reserved for Chair （11:50 AM - 11:55 AM）

Oral presentation

[3E10-13] Waste Management

Fri. Sep 8, 2023 2:45 PM - 3:55 PM Room E (Okuma Machine Tool Eng. Bildg. 1F Okuma Hall)

Chair:Junya Sato(JAEA)

2:45 PM - 3:00 PM

[3E10] Evaluation of ultra-violet rays ･ wet decomposition behavior of adsorbent for extraction chromatography

*Go Shinoda¹, Izumi Saito¹, Tsuyoshi Arai¹ (1. Shibaura institute of technology)

3:00 PM - 3:15 PM

[3E11] Heat decomposition of resin and absorbent wastes in the presence of moisture

*Koya Yamazaki¹, Isamu Sato¹, Yasutomo Taziri², Toshiro Oniki², Haruaki Matsuura¹ (1. TOKYO CITY UNIVERSITY, 2. IHI Corporation)

3:15 PM - 3:30 PM

[3E12] Direct energy conversion using Pt/Ga₂O₃ Schottky junction in ²⁴¹Am gamma ray region

Tatsuo Fukuda¹, Yukimasa Fukada¹, Masaaki Kobata¹, *Kenji Yoshii¹, Takahisa Shobu¹, Aki Tominaga¹, Yoshiyuki Yamashita², Hajime Tanida¹, Tsuyoshi Yaita¹ (1. JAEA, 2. NIMS)

3:30 PM - 3:45 PM

[3E13] Evaluation of the Transfer Rate for Spray Splashes

*Junya Kouwa¹, Thibault Bagnol¹, Yoshiyuki Iso¹, Akira Maeda¹, Masataka Hiruta¹, Masato Mizumachi¹, Takahiro Suzuki², Keiichi Yoshikawa², Keita Masaki² (1. IHI, 2. TEPCO HD)

Time reserved for Chair （3:45 PM - 3:55 PM）

Sessions

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

[1C06-08] Concrete 1

(31) Study on cement solidification in full-scale kneading

Technical report on replace of incinerator for incinerating waste containing alpha nuclides

-Evaluation of Changes in Mortar Structure Caused by Dry-Wet Cycles-

[1C09-13] Concrete 2

(16) Overall plan of the Study

(17) Ageing concrete condition to be considered

(18) Behavior of water uptake in concrete

(19) Development of simulation model of ions penetration for Concrete -1-

(20) Development of simulation model of ions penetration for Concrete-2-

[1C14-18] Concrete 3

(21) Estimation of the penetration depth of radioactive cesium in concrete exposed to contaminated cooling water

(22)Different penetration behaviors of Cs and Sr in cracked concrete

(23) Penetration of alpha nuclides into hardened cement pastes simulating cracking

(24)Estimate the amount of radioactive pollution in cracked concrete

(25) Expected application of results and further technical issues

[1E01-03] Sorption Separation 1

(4)Evaluation of oxide conversion condition after temperature swing extraction process

[1E04-06] Sorption Separation 2

(1)Removal examination of iron particles which attached α nuclide by powder adsorbent

[1E07-09] Vitrification 1

[1E10-14] Vitrification 2

(116) Development of glass matrix ; Summary of FY2022 Results

(117)Reaction of insoluble residue in cold cap

(118) Examination of YP formation mechanisms by experiments using zirconium molybdate as a starting material (2)

(119)Aapplicability evaluation of pretreated HLW to glass melter for diversity of HLW

(120) Development to inhibition technique of DBP effect in vitrification process.

[1E15-19] Vitrification 3

(121) Evaluation of the behavior of γ-ray degraded products generated from adsorbent for Extraction Chromatography

(122) Examination of MA separation process conditions using TEHDGA and HONTA adsorbents

(123) Study of removal method of adsorbed interfering elements by metastannic acid

(124) Study of decomposition and regeneration methods for spent adsorbent

(125) Extraction Behavior of Neptunium in Solvent Extraction Process

[2E01-04] 1F Waste 1

(37) Investigation of solidification range for simulated sludge

(38) Criteria for heat generation during kneading in low-temperature solidification possibility screening

(39) Evaluation of test methods for fluidity, compressive strength, and leaching properties in low-temperature solidification possibility screening

(40) Study of Leaching Test Method for Disposal Environments

[2E05-07] 1F Waste 2

(41) Determination of degradation acceleration on solidified body by efflorescence test

(42)Evaluation of long-term alteration of cement or Alkali Activated Material solidified body promoted by heating cure and accelerated carbonation

(43) Crystallization of amorphous phases formed in Alkali Activated Material solidified body

[2E08-09] Geopolymer

(11) A relationship between void and sorption partition coefficient of geopolymers

[2E10-12] 1F Waste 3

(11)Recent progress and selection of materials for hybrid waste solidification

(12) Fabrication and comprehensive characterization of hybrid waste

(13) Safety assessment considering leaching characteristics of hybrid waste and nuclides

[2E13-16] Debris 1

(1)Development of micro XAFS/XRF/XRD simultaneous measurement system

(2) Evaluation of crystal structure, composition and redox state

(6) Chemical state analysis of α-emitting nuclide particles obtained from unit #3 stagnant water sludge (part 2)

[2E17-19] Debris 2

(1) Characterization of (U, Zr)O2 by XRD and SEM/EDS

(2) Characterization of (U, Zr)O2 by TEM/EDS

[2E20-22] Stabilization/immobilization

[3E01-05] Nuclide Separation 1

(1) Study of Chromatographic Separation of Platinum-group Metals using Sulfur-containing Amide-type Impregnated Adsorbents

(2) Adsorption and Separation Characteristics of Platinum-group Metals and Oxoacid Ions using Sulfur-containing Amide-type Impregnated Adsorbent

(3) Study of simplifying the separation process by using a single column

(4) Adsorption and separation behavior of MA + RE on CMPO Impregnated Adsorbent

(5) Evaluation of Nuclide Partitioning Process by Using Column Simulation

[3E06-09] Nuclide Separation 2

(I) Introductory talk

(II) Control of uptake properties by charge state of Prussian blue

(III) Theoretical study on effect of applied electric field on Rh(III) ion diffusion in Prussian blue nanospace

(IV) Highly selective uptake performance of palladium ions among platinum group elements using copper hexacyanoferrate films

[3E10-13] Waste Management

Authentication

(1) Characterization of (U, Zr)O₂ by XRD and SEM/EDS

(2) Characterization of (U, Zr)O₂ by TEM/EDS