Oral presentation

[1A01-04] Vitrification

Wed. Sep 8, 2021 10:45 AM - 12:00 PM Room A

chair: Sou Watanabe (JAEA)

10:45 AM - 11:00 AM

[1A01] Evaluation of HLW glass dissolution as a function of dissolved silica concentration under various pH conditions

*Toshihiro Kimachi¹, Yaohiro Inagaki¹, Kazuya Idemitsu¹, Tatsumi Arima¹ (1. Kyushu Univ.)

11:00 AM - 11:15 AM

[1A02] Numerical Simulation of Flowdown of a Molten Glass for Estimation of Temperature at the Bottom of a Melter

Ryoya Koyama¹, Chiba Kotaro¹, *Shunji Homma¹, Ikai Hiroshi², Iku Miyasaka² (1. Saitama Univ., 2. IHI)

11:15 AM - 11:30 AM

[1A03] Optimization of glass matrix composition for vitrification of a titanosilicate waste

*Sohei Sukenaga¹, Issei Takahashi¹, Masanori Tashiro¹, Midori Uchiyama², Hidenori Kawashima², Oniki Toshiro², Hiroyuki Shibata¹ (1. Tohoku Univ., 2. IHI)

11:30 AM - 11:45 AM

[1A04] Structural analyses of insoluble residue (noble metal precipitation)in high-level radioactive waste

*Koki Sakashita¹, Haruaki Matuura¹, Seishirou Tanaka¹, Isamu Sato¹, Haruka Tada² (1. TOKYO CITY UNIVERSITY, 2. IHI)

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

Oral presentation

[1A05-08] Contaminated Water at Fukushima Daiichi NPS

Wed. Sep 8, 2021 2:45 PM - 4:00 PM Room A

chair: Kazuyoshi Uruga (CRIEPI)

2:45 PM - 3:00 PM

[1A05] Analysis of Alpha radionuclide in the contaminated water at the torus room of unit #2 reactor of Fukushima Daiichi NPS

(1)Outline of the state analysis of alpha radionuclides containing in the Solid Component

*Yoshihiro Kitatsuji¹, Kazuki Ouchi¹, Takumi Yomogida¹, Toshitaka Oka¹, Ayako Nitta¹, Hiroshi Hinai¹, Yoshikazu Koma¹, Katuhiro Konno² (1. JAEA, 2. TEPCO HD)

3:00 PM - 3:15 PM

[1A06] Analysis of Alpha radionuclide in the contaminated water at the torus room of unit #2 reactor of Fukushima Daiichi NPS

(2)Analysis of alpha-emitting nuclides of solid components by ICP-MS

*Kazuki Ouchi¹, Takumi Yomogida¹, Toshitaka Oka¹, Yoshihiro Kitatsuji¹, Yoshikazu Koma¹, Katuhiro Konno² (1. JAEA, 2. TEPCO HD)

3:15 PM - 3:30 PM

[1A07] Analysis of Alpha radionuclide in the contaminated water at the torus room of unit #2 reactor of Fukushima Daiichi NPS

(3)Analysis of radioactivity by α and γ spectrometry and elemental composition by ICP-AES

*Ayako Nitta^1,2, Hiroshi Hinai^1,2, Atsuhiro Shibata^1,2, Yoshikazu Koma^1,2 (1. JAEA, 2. IRID)

3:30 PM - 3:45 PM

[1A08] Analysis of Alpha radionuclide in the contaminated water at the torus room of unit #2 reactor of Fukushima Daiichi NPS

(4)Detection of fine particle containing α-emitters by SEM-EDX and alpha Track

*Takumi Yomogida¹, Kazuki Ouchi¹, Toshitaka Oka¹, Yoshihiro Kitatsuji¹, Yoshikazu Koma¹, Katsuhiro Konno² (1. JAEA, 2. TEPCO HD)

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

Oral presentation

[1A09-12] Contaminated Concrete

Wed. Sep 8, 2021 4:00 PM - 5:15 PM Room A

chair: Yoshihiro Kitatsuji (JAEA)

4:00 PM - 4:15 PM

[1A09] Infiltration behavior of Sr and Cs and its prediction in a concrete

*Norikazu Kinoshita¹, Hitoshi Nakashima¹, Yuki Sasaki¹, Kazuyuki Torii¹, Keisuke Sueki² (1. Shimizu, 2. Univ. of Tsukuba)

4:15 PM - 4:30 PM

[1A10] Chemical State Analysis of Strontium Attached to Structural Materials of Reactor Building

*Yuko Kimoto¹, Kai Yoneyama¹, Isamu Sato¹, Haruaki Matsuura¹, Eriko Suzuki² (1. Tokyo City University, 2. Japan Atomic Energy Agency)

4:30 PM - 4:45 PM

[1A11] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(12)The Cs/Sr penetration in the real concentration ranges in concrete for 1 year

*Kazuo Yamada¹, Yasumasa Tojo², Sayuri TOICA³ (1. NIES, 2. Hokkaido U., 3. THC)

4:45 PM - 5:00 PM

[1A12] Diffusion behavior of iodide and cesium ions in hardened cement paste

*Takaya Kawato¹, Keisuke Ishida², Takeshi Yamamoto¹, Daisuke Minato¹, Kiyoshi Fujisaki², Takafumi Hamamoto², Morihiro Mihara³ (1. CRIEPI, 2. NUMO, 3. JAEA)

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

Oral presentation

[2A01-04] Stabilization & Immobilization 1

Thu. Sep 9, 2021 9:30 AM - 10:45 AM Room A

chair: Yoshihisa Kaneda (Taiheiyo Consultant)

9:30 AM - 9:45 AM

[2A01] Development of stable solidification technique of ALPS sediment wastes by apatite ceramics

(6)Project objective and progress

*Kenji Takeshita¹, masahiko Nakase¹, Kazuo Utsumi¹, Takatoshi Hijikata², Shun Kanagawa², Yoshikazu Koma³, Takahiro Mori⁴ (1. Tokyo Tech, 2. CRIEPI, 3. JAEA, 4. Hitachi GE)

9:45 AM - 10:00 AM

[2A02] Development of stable solidification technique of ALPS sediment wastes by apatite ceramics

(7)Characteristics of apatite and phosphate waste forms with doped Cs, Sr and lanthanide

*Masahiko Nakase¹, Miki Harigai¹, Eriko Wada¹, Kazuo Utsumi¹, Shun Kanagawa², Takatoshi Hijikata², Yoshikazu Koma³ (1. Tokyo Tech, 2. CRIEPI, 3. JAEA)

10:00 AM - 10:15 AM

[2A03] Development of stable solidification technique of ALPS sediment wastes by apatite ceramics

(8)Development of apatite solidification process for simulated carbonate waste

*Shun Kanagawa¹, Takatoshi Hijikata¹, Masahiko Nakase², Kazuo Utsumi², Kenji Takeshita² (1. CRIEPI, 2. Tokyo Tech)

10:15 AM - 10:30 AM

[2A04] Development of stable solidification technique of ALPS sediment wastes by apatite ceramics

(9)Engineer scale experiment of apatite solidification from the simulated carbonate waste

*Takatoshi Hjikata¹, Shun Kanagawa¹, Masahiko Nakase², Kazuo Utsumi², Kenji Takeshita² (1. CRIEPI, 2. Tokyo Tech)

Time reserved for Chair （10:30 AM - 10:45 AM）

Oral presentation

[2A05-08] Stabilization & Immobilization 2

Thu. Sep 9, 2021 10:45 AM - 12:00 PM Room A

chair: Shizue Furukawa (CRIEPI)

10:45 AM - 11:00 AM

[2A05] Development of stable solidification technique of ALPS sediment wastes by apatite ceramics

(10)Characteristics of hydrogen gas generation from solidified apatite

*Jun Kato¹, Takeshi Osugi¹, Tomoyuki Sone¹, Ryoichiro Kuroki¹, Yoshikazu Koma¹, Masahiko Nakase², Kazuo Utsumi², Kenji Takeshita², Shun Kanagawa³, Takatoshi Hijikata³ (1. JAEA, 2. Tokyo Tech, 3. CRIEPI)

11:00 AM - 11:15 AM

[2A06] Development of stable solidification technique of ALPS sediment wastes by apatite ceramics

(11)Basic design of actual scale processing equipment of apatite solidification

*Takahiro Mori¹, Hiroyuki Nagaoka¹, Kouji Okushi¹, Naoki Kanno¹, Takashi Asano¹, Shun Kanagawa², Takatoshi Hijikata², Masahiko Nakase³, Kenji Takeshita³ (1. HGNE, 2. CRIEPI, 3. Tokyo Tech)

11:15 AM - 11:30 AM

[2A07] Retention of anions adsorbed on iron slurry by alkali-activated materials

*Tsutomu Sato¹, Chaerun Raudhatul Islam¹, Yogarajah Elakneswaran¹, Yoshihisa Hiraki², Takeshi Ohsugi², Tomoyuki Sone², Ryoichiro Kuroki², John Provis³ (1. Hokkaido Univ., 2. JAEA, 3. Sheffield Univ.)

11:30 AM - 11:45 AM

[2A08] Physical properties of K-based alkali-activated materials containing iron coprecipitation slurry

*Yoshihisa Hiraki¹, Ayaka Kakuda¹, Toshimitsu Saito¹, Takeshi Osugi¹, Tomoyuki Sone¹, Ryoichiro Kuroki¹, Yogarajah Elakneswaran², Tsutomu Sato² (1. JAEA, 2. Hokkaido Univ.)

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

Oral presentation

[2A09-12] Waste Management 1

Thu. Sep 9, 2021 2:45 PM - 3:55 PM Room A

chair: Takeshi Yamamoto (CRIEPI)

2:45 PM - 3:00 PM

[2A09] Irradiation experiments of simulated carbonate slurry in HIC

(5)Effect of chemical composition of slurry on its physical property

*Isao Yamagishi¹, Tomoaki Kato¹, Takuma Horita¹ (1. JAEA)

3:00 PM - 3:15 PM

[2A10] Irradiation experiments of simulated carbonate slurry in HIC

(6)Gas holdup in simulated carbonate slurry under γ-ray irradiation

*Tomoaki Kato¹, Isao Yamagishi¹ (1. JAEA)

3:15 PM - 3:30 PM

[2A11] Decomposition of dibutyl phosphate using plasma discharges inside bubbles

*Katsuyuki Takahashi^1,2, Hirotoshi Takayama¹, Tetsu Sakakibara¹, Koichi Takaki^1,2, Tatsuya Horimai³, Norio Kanehira³ (1. Iwate Univ., 2. Agri-innovation Center, Iwate Univ., 3. JFNL)

3:30 PM - 3:45 PM

[2A12] Study on the evaluation method to determine the radioactivity concentration in radioactive waste on Oarai Research and Development Institute (2)

*Kazuki Asakura¹, Kazuyuki Abe¹, Misao Takamatsu¹, Hiroyuki Miyakoshi¹, Naoki Sakamoto¹, Ryosuke Isozaki¹, Takashi Ohnishi¹, Yuichi Tamaoki¹, Mitsugu Kato¹, Ryoichi Kitamura¹ (1. JAEA)

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

Oral presentation

[2A13-15] Waste Management 2

Thu. Sep 9, 2021 3:55 PM - 4:50 PM Room A

chair: Tsutomu Sato (Hokkaido Univ.)

3:55 PM - 4:10 PM

[2A13] Realization Development of the Flexible Waste Management System for MA P&T Technology

(37)Optimization and Conceptual specification of the HLW granule

*Akihiro Suzuki¹, Yoichi Endo¹, Yaohiro Inagaki², Tatsumi Arima², Yusa Muroya³, Tatsuro Matsumura⁴, Katsunori Ishii⁴, Koichi Kawaguchi⁴ (1. NFD, 2. Kyushu Univ., 3. Osaka Univ., 4. JAEA)

4:10 PM - 4:25 PM

[2A14] Realization Development of the Flexible Waste management System for MA P&T technology

(38)Conceptual design of the HLW dissolution for MA separation

*Tatsuro Matsumura¹, Akihiro Suzuki² (1. JAEA, 2. NFD)

4:25 PM - 4:40 PM

[2A15] Realization Development of the Flexible Waste Management System for MA P&T Technology

(39)Effectiveness of the Flexible Waste Management System

*Tetsuo Fukasawa¹, Keita Endo², Daisuke Watanabe², Yoichi Endo¹, Akihiro Suzuki¹ (1. NFD, 2. HGNE)

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

Oral presentation

[2A16-19] Waste Management 3

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

chair: Takehiko Tsukahara (Tokyo Tech)

4:50 PM - 5:05 PM

[2A16] A study of Statistical Planning Method for Analysis Consistent with the Characteristics of the Fukushima Daiichi NPS Wastes

(1)Application of the Data Quality Objectives Process to the waste of unknown population

*Keiichi Ohki^1,2, Takuma Horita^1,2, Anna Nagai^1,2, Maya Akimoto^1,2, Peter Hiller³, Caroline Pyke³, Yoshikazu Koma^1,2 (1. JAEA, 2. IRID, 3. National Nuclear Laboratory Limited)

5:05 PM - 5:20 PM

[2A17] A Study of Statistical Planning Method for Analysis Consistent with the Characteristics of the Fukushima Daiichi NPS Wastes

(2)Calculation of the Optimal Sample Size Using the Bayesian Inference

*Takuma Horita^1,2, Maya Akimoto^1,2, Anna Nagai^1,2, Keiichi Ohki^1,2, Caroline Pyke³, Peter Hiller³, Yoshikazu Koma^1,2 (1. JAEA, 2. IRID, 3. National Nuclear Laboratory Limited)

5:20 PM - 5:35 PM

[2A18] A Study of Statistical Planning Method for Analysis Consistent with the Characteristics of the Fukushima Daiichi NPS Wastes

(3)Study on analysis planning for the sludge generated from the decontamination device

*Anna Nagai^1,2, Takuma Horita^1,2, Maya Akimoto^1,2, Keiichi Ohki^1,2, Caroline Pyke³, Peter Hiller³, Yoshikazu Koma^1,2 (1. JAEA, 2. IRID, 3. National Nuclear Laboratory Limited)

5:35 PM - 5:50 PM

[2A19] A Study of Statistical Planning Method for Analysis Consistent with the Characteristics of the Fukushima Daiichi NPS Wastes

(4)Study on analysis planning for the rubble from the reactor buildings

*Maya Akimoto^1,2, Takuma Horita^1,2, Anna Nagai^1,2, Keiichi Ohki^1,2, Caroline Pyke³, Peter Hiller³, Yoshikazu Koma^1,2 (1. JAEA, 2. IRID, 3. National Nuclear Laboratry Limited)

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

Oral presentation

[3A01-04] Stabilization & Immobilization 3

Fri. Sep 10, 2021 9:30 AM - 10:45 AM Room A

chair: Tetsuo Fukasawa (NFD)

9:30 AM - 9:45 AM

[3A01] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(16)Consideration of quantification of method for screening test of contaminated water management waste applied to solidification by cement and Alkali Activated Material

*Ayaka Kakuda¹, Takumi Taniguchi¹, Masahiro Namiki¹, Michio Kikuchi², Takeshi Yamamoto², Yoshihisa Kaneda³, Norihisa Osawa³, Takeshi Osugi¹, Tomoyuki Sone¹, Ryoichiro Kuroki¹ (1. IRID/JAEA, 2. CRIEPI, 3. Taiheiyo Consultant)

9:45 AM - 10:00 AM

[3A02] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(17)Characteristic evaluation of solidified body formed by cement or Alkali Activated Material and iron coprecipitation slurry

*Michio Kikuchi¹, Takeshi Yamamoto¹, Taku Otsuka¹, Yoshihisa Kaneda², Ryo Sakamoto², Kazuko Haga², Ayaka Kakuda³, Takeshi Osugi³, Tomoyuki Sone³, Ryoichiro Kuroki³ (1. CRIEPI, 2. Taiheiyo Consultant, 3. IRID/JAEA)

10:00 AM - 10:15 AM

[3A03] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(18)Leachability of nuclides from solidified body of cement and Alkali Activated Material

*Yoshihisa Kaneda¹, Kazuko Haga¹, Norihisa Osawa¹, Michio Kikuchi², Takeshi Yamamoto², Taku Otsuka², Ayaka kakuda³, Takeshi Osugi³, Tomoyuki Sone³, Ryoichiro Kuroki³ (1. Taiheiyo Consultant, 2. CRIEPI, 3. IRID/JAEA)

10:15 AM - 10:30 AM

[3A04] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(19)γ-ray irradiation characteristics of solidified materials containing iron coprecipitation slurry

*Junya Sato¹, Ayaka Kakuda¹, Ken Imaizumi², Michio Kikuchi³, Takeshi Yamamoto³, Yoshihisa Kaneda⁴, Norihisa Osawa⁴, Takeshi Osugi¹, Tomoyuki Sone¹, Ryoichiro Kuroki¹ (1. IRID/JAEA, 2. Tokyo PT, 3. CRIEPI, 4. Taiheiyo Consultant)

Time reserved for Chair （10:30 AM - 10:45 AM）

Oral presentation

[3A05-08] Stabilization & Immobilization 4

Fri. Sep 10, 2021 10:45 AM - 12:00 PM Room A

chair: Akihiro Suzuki (NFD)

10:45 AM - 11:00 AM

[3A05] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(20)Verification of the possibility of using special cement as a material for solidification treatment

*Taku Otsuka¹, Michio Kikuchi¹, Takeshi Yamamoto¹, Takaya Kawato¹, Isao Kurashige¹, Ayaka Kakuda², Takeshi Osugi², Tomoyuki Sone², Ryoichiro Kuroki² (1. CRIEPI, 2. IRID/JAEA)

11:00 AM - 11:15 AM

[3A06] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(21)Effect of drying and heat loading on solidified body formed by cement or Alkali Activated Material and ALPS slurry

*Takeshi Yamamoto¹, Michio Kikuchi¹, Taku Otsuka¹, Takaya Kawato¹, Isao Kurashige¹, Ayaka Kakuda², Takeshi Osugi², Tomoyuki Sone², Ryoichiro Kuroki² (1. CRIEPI, 2. IRID/JAEA)

11:15 AM - 11:30 AM

[3A07] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(22)Evaluation of heat generation on cement and AAM solidified body

*Yuta Takahashi¹, Ayaka Kakuda¹, Mayu Enomoto¹, Ken Imaizumi², Takeshi Osugi¹, Tomoyuki Sone¹, Ryoichiro Kuroki¹ (1. IRID/JAEA, 2. Tokyo PT)

11:30 AM - 11:45 AM

[3A08] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(23)Interaction between Iron Slurry and Alkali-Activated Materials

*Chaerun Raudhatul Islam¹, Yutaro Kobayashi², Kazuko Haga², Yoshihisa Kaneda², Ayaka Kakuda³, Takeshi Osugi³, Tomoyuki Sone³, Ryoichiro Kuroki³, Tsutomu Sato¹ (1. Hokkaido Univ., 2. Taiheiyo Consultant, 3. JAEA)

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

Oral presentation

[3A09-12] Stabilization & Immobilization 5

Fri. Sep 10, 2021 2:45 PM - 4:00 PM Room A

chair: Tatsuro Matsumura (JAEA)

2:45 PM - 3:00 PM

[3A09] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(24)Experimental and modeling studies on the dissolution behavior of cement solidified body with modified wastes

*Yutaro Kobayashi¹, Kazuko Haga¹, Yoshihisa Kaneda¹, Tsutomu Sato², Ayaka Kakuda³, Takeshi Osugi³, Tomoyuki Sone³, Ryoichiro Kuroki³ (1. Taiheiyo Consultant, 2. Hokkaido Univ., 3. IRID/JAEA)

3:00 PM - 3:15 PM

[3A10] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(25)Evaluation of glass composition range suitable for solidification of secondary wastes from treatment of the contaminated water

*Tadafumi Koyama¹, Kazuyoshi Uruga¹, Shizue Furukawa¹, John Vienna², Benjamin Parruzot², Xiaonan Lu², Takeshi Ohsugi³, Tomoyuki Sone³, Ryoichiro Kuroki³ (1. CRIEPI, 2. PNNL, 3. JAEA)

3:15 PM - 3:30 PM

[3A11] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(26)Investigation of approach for selecting solidification techniques applied to contaminated water management waste No.3

*Shizue Furukawa¹, Tadafumi Koyama¹, Kazuyoshi Uruga¹, Michio Kikuchi¹, Taku Otsuka¹, Takeshi Yamamoto¹, Ken Imaizumi², Takeshi Osugi³, Tomoyuki Sone³, Ryoichiro Kuroki³ (1. CRIEPI, 2. Tokyo PT, 3. IRID/JAEA)

3:30 PM - 3:45 PM

[3A12] Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station

(27)Cesium volatilization from used inorganic absorbents

*Kazuyoshi Uruga¹, Shizue Furukawa¹, Takatoshi Hijikata¹, Tadafumi Koyama¹, Ayaka Kakuda², Takeshi Osugi², Tomoyuki Sone², Ryoichiro Kuroki² (1. CRIEPI, 2. IRID/JAEA)

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

Oral presentation

[3A13-16] Stabilization & Immobilization 6

Fri. Sep 10, 2021 4:00 PM - 5:15 PM Room A

chair: Junya Sato (IRID/JAEA)

4:00 PM - 4:15 PM

[3A13] Investigation about the hydrogen generation behavior from Geopolymer

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

4:15 PM - 4:30 PM

[3A14] The influence of electron radiation on the mechanical properties of geopolymers

*Yaru Yang¹, Suematsu Hisayuki¹, Thi Mai Dung Do¹, Thi Chau Duyen Le¹, Isamu Kudou², Niihara Koichi³, Tadachika Nakayama³ (1. Extreme Energy-Density Research Institute, Nagaoka University of Technology , 2. ADVAN ENG. Co., ltd, 3. Nagaoka University of Technology )

4:30 PM - 4:45 PM

[3A15] A geopolymer for solidification of radioactive waste

(7)Evaluation method for a geopolymer soundness

*Eiki Adachi¹, Nobuyuki Sekine¹, Marcela Brazsekova², Maros Juraska², Milena Prazska² (1. Fuji Electric, 2. Jacobs Slovakia)

4:45 PM - 5:00 PM

[3A16] A geopolymer for solidification of radioactive waste

(8)Full-scale Solidification of imitated waste using geopolymer solidification technology SIAL

*Nobuyuki Sekine¹, Eiki Adachi¹, Kimihiro Onozaki¹, Hisashi Mikami¹, Marcela Blazsekova², Maros Juraska², Milena Prazska², Toshiyuki Takeda³, Moegi Tomura³, Hirotaka Ohura³ (1. Fuji Electric, 2. Jacobs Slovakia, 3. JAPC)

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

Oral presentation

[3B01-04] Nuclide Adsorption & Separation 1

Fri. Sep 10, 2021 9:30 AM - 10:45 AM Room B

chair: Tomofumi Sakuragi (RWMC)

9:30 AM - 9:45 AM

[3B01] Development of Minor Actinides separation and storage technology by process using flame-retardant and low heat of vaporization diluent and CHON extractant

(7)Concept of the separation and storage for Minor Actinides (Part2)

*Koichi Kakinoki¹, Takashi Shimada¹, Naoki Ogawa¹, Ryokichi Hamaguchi¹, Taisuke Tsukamoto¹, Masahiko Nakase², Miki Harigai², Tomoo Yamamura³, Chihiro Tabata³, Mariko Konaka³ (1. MHI, 2. Tokyo Tech, 3. Kyoto Univ.)

9:45 AM - 10:00 AM

[3B02] Development of Minor Actinides separation and storage technology by process using flame-retardant and low heat of vaporization diluent and CHON extractant

(8)Extraction behavior of Np

*Miki Harigai¹, Masahiko Nakase¹, Tomoo Yamamura², Chihiro Tabata², Koichi Kakinoki³, Naoki Ogawa³, Ryokichi Hamaguchi³, Taisuke Tsukamoto³, Takashi Shimada³ (1. Tokyo Tech, 2. Kyoto Univ., 3. MHI)

10:00 AM - 10:15 AM

[3B03] Development of Minor Actinides separation and storage technology by process using flame-retardant and low heat of vaporization diluent and CHON extractant

(9)Productions of uranium-based solid matrix containing lanthanides by distillation and heating processes

*Tomoo Yamamura¹, Chihiro Tabata¹, Mariko Konaka¹, Masahiko Nakase², Miki Harigai², Koichi Kakinoki³, Naoki Ogawa³, Ryokichi Hamaguchi³, Taisuke Tsukamoto³, Takashi Shimada³ (1. KURNS, Kyoto Univ., 2. Tokyo Tech, 3. MHI)

10:15 AM - 10:30 AM

[3B04] Development of Minor Actinides separation and storage technology by process using flame-retardant and low heat of vaporization diluent and CHON

(10)Synthesis of fluorite-structured metal oxides by low-temperature hydrothermal method

*Chihiro Tabata¹, Masahiko Nakase², Miki Harigai², Kenji Shirasaki³, Tomoo Yamamura¹, Koichi Kakinoki⁴, Naoki Ogawa⁴, Ryokichi Hamaguchi⁴, Taisuke Tsukamoto⁴, Takashi Shimada⁴ (1. Kyoto Univ., 2. Tokyo Tech, 3. Tohoku Univ., 4. MHI)

Time reserved for Chair （10:30 AM - 10:45 AM）

Oral presentation

[3B05-08] Nuclide Adsorption & Separation 2

Fri. Sep 10, 2021 10:45 AM - 12:00 PM Room B

chair: Takatoshi Hjikata (CRIEPI)

10:45 AM - 11:00 AM

[3B05] Decontamination of alkali chloride baths containing nuclear material by precipitation and distillation techniques

distillation experiment

*Jun-ya Ibe¹, Mao Mitani¹, Youko Takahatake², Sou Watanabe², Masayuki Watanabe², Haruaki Matsuura¹ (1. Tokyo City University, 2. Japan Atomic Energy Agency)

11:00 AM - 11:15 AM

[3B06] Bioseparation process of platinum group elements and molybdenum from radioactive liquid wastes

(1)Selective biosorption of platinum group elements and molybdenum from nitric acid solutions using baker’s yeast

Norizo Saito¹, Hayato Tokumoto¹, Kensuke Kurahashi¹, Mikio Kato¹, *Yasuhiro Konishi¹ (1. Osaka Prefecture University)

11:15 AM - 11:30 AM

[3B07] Basic Reseach Programs of Vitrification Technology for Waste Volume Reduction

(87)Research report in 2020

*Hidenori Kawashima¹, Yasufumi Usui¹, Norio Kanehira², Masayuki Takeuchi³, Yoshihiro Okamoto³, Tsuyoshi Usami⁴ (1. IHI, 2. JNFL, 3. JAEA, 4. CRIEPI)

11:30 AM - 11:45 AM

[3B08] Basic research programs of vitrification technology for waste volume reduction

(88)Effects of heat generation of vitrified waste from spent MOX fuel on repository footprint

*Ryo Hamada¹, Tomohumi Sakuragi¹, Hidekazu Asano¹, Toshiro Oniki², Midori Uchiyama² (1. RWMC, 2. IHI)

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

Oral presentation

[3B09-12] Nuclide Adsorption & Separation 3

Fri. Sep 10, 2021 2:45 PM - 4:00 PM Room B

chair: Sohei Sukenaga (Tohoku Univ.)

2:45 PM - 3:00 PM

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

(89)Optimization study on the heat generation of MOX vitrified wastes and repository footprint by MA separation and waste loading

*Tomofumi Sakuragi¹, Ryo Hamada¹, Hidekazu Asano¹, Toshiro Oniki², Midori Uchiyama² (1. RWMC, 2. IHI)

3:00 PM - 3:15 PM

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

(90)X-ray absorption analysis for each element in simulated high-level liquid waste after heating treatment

*Yoshihiro Okamoto¹, Takayuki Nagai¹, Hajime Taida¹, Daisuke Akiyama², Haruya Koshino², Akira Kirishima² (1. JAEA, 2. Tohoku Univ.)

3:15 PM - 3:30 PM

[3B11] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(91)Improved TEHDGA column flow for MA + Ln co-recovery

*Kenta Ishizawa¹, Tadashi Akuzawa¹, Fukuka Kida¹, Tsuyoshi Arai¹, Sou Watanabe², Yuichi Sano², Masayuki Takeuchi² (1. Shibaura Inst. of Tech., 2. JAEA)

3:30 PM - 3:45 PM

[3B12] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(92)Development of HONTA column flow for MA / Ln separation

*Keisuke Masumura¹, Tadashi Akuzawa¹, Fukuka Kida¹, Tsuyoshi Arai¹, Sou Watanabe², Yuichi Sano², Masayuki Takeuchi² (1. Shibaura Inst. of Tech., 2. JAEA)

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

Oral presentation

[3B13-16] Nuclide Adsorption & Separation 4

Fri. Sep 10, 2021 4:00 PM - 5:15 PM Room B

chair: Tomoo Yamamura (Kyoto Univ.)

4:00 PM - 4:15 PM

[3B13] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(93)Confirmation of TEHDGA, HONTA 2-stage process performance using RI

*Masahiko Kubota¹, Seong-Yun Kim¹, Hao Wu¹, Sou Watanabe², Yuichi Sano², Masayuki Takeuchi² (1. Tohoku Univ., 2. JAEA)

4:15 PM - 4:30 PM

[3B14] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(94)Design of a process-flow for an active experiment

*Sou Watanabe¹, Daisuke Sato¹, Kimihiko Yano¹, Yuichi Sano¹, Masayuki Takeuchi¹ (1. JAEA)

4:30 PM - 4:45 PM

[3B15] Basic Research Programs of Vitrification Technology for Waste Volume Reduction

(95)Adsorption /Elution Performance of HONTA Adsorbents for MA(III)Recovery-hot experiment-

*Daisuke Sato¹, Sou Watanabe¹, Kimihiko Yano¹, Shin-ichi Kitawaki¹, Tsuyoshi Arai², Atsuhiro Shibata¹, Masayuki Takeuchi¹ (1. JAEA, 2. Shibaura Inst. of Tech.)

4:45 PM - 5:00 PM

[3B16] Basic research programs of vitrification technology for waste volume reduction

(96)Development of on-line monitoring technique of target elements for chromatographic valve control

*Takehiko Tsukahara¹, Brandt Aileen¹, Sou Watanabe², yuichi Sano², Masayuki Takeuchi² (1. Tokyo Tech, 2. JAEA)

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

Sessions

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

[1A01-04] Vitrification

[1A05-08] Contaminated Water at Fukushima Daiichi NPS

(1)Outline of the state analysis of alpha radionuclides containing in the Solid Component

(2)Analysis of alpha-emitting nuclides of solid components by ICP-MS

(3)Analysis of radioactivity by α and γ spectrometry and elemental composition by ICP-AES

(4)Detection of fine particle containing α-emitters by SEM-EDX and alpha Track

[1A09-12] Contaminated Concrete

(12)The Cs/Sr penetration in the real concentration ranges in concrete for 1 year

[2A01-04] Stabilization & Immobilization 1

(6)Project objective and progress

(7)Characteristics of apatite and phosphate waste forms with doped Cs, Sr and lanthanide

(8)Development of apatite solidification process for simulated carbonate waste

(9)Engineer scale experiment of apatite solidification from the simulated carbonate waste

[2A05-08] Stabilization & Immobilization 2

(10)Characteristics of hydrogen gas generation from solidified apatite

(11)Basic design of actual scale processing equipment of apatite solidification

[2A09-12] Waste Management 1

(5)Effect of chemical composition of slurry on its physical property

(6)Gas holdup in simulated carbonate slurry under γ-ray irradiation

[2A13-15] Waste Management 2

(37)Optimization and Conceptual specification of the HLW granule

(38)Conceptual design of the HLW dissolution for MA separation

(39)Effectiveness of the Flexible Waste Management System

[2A16-19] Waste Management 3

(1)Application of the Data Quality Objectives Process to the waste of unknown population

(2)Calculation of the Optimal Sample Size Using the Bayesian Inference

(3)Study on analysis planning for the sludge generated from the decontamination device

(4)Study on analysis planning for the rubble from the reactor buildings

[3A01-04] Stabilization & Immobilization 3

(16)Consideration of quantification of method for screening test of contaminated water management waste applied to solidification by cement and Alkali Activated Material

(17)Characteristic evaluation of solidified body formed by cement or Alkali Activated Material and iron coprecipitation slurry

(18)Leachability of nuclides from solidified body of cement and Alkali Activated Material

(19)γ-ray irradiation characteristics of solidified materials containing iron coprecipitation slurry

[3A05-08] Stabilization & Immobilization 4

(20)Verification of the possibility of using special cement as a material for solidification treatment

(21)Effect of drying and heat loading on solidified body formed by cement or Alkali Activated Material and ALPS slurry

(22)Evaluation of heat generation on cement and AAM solidified body

(23)Interaction between Iron Slurry and Alkali-Activated Materials

[3A09-12] Stabilization & Immobilization 5

(24)Experimental and modeling studies on the dissolution behavior of cement solidified body with modified wastes

(25)Evaluation of glass composition range suitable for solidification of secondary wastes from treatment of the contaminated water

(26)Investigation of approach for selecting solidification techniques applied to contaminated water management waste No.3

(27)Cesium volatilization from used inorganic absorbents

[3A13-16] Stabilization & Immobilization 6

(7)Evaluation method for a geopolymer soundness

(8)Full-scale Solidification of imitated waste using geopolymer solidification technology SIAL

[3B01-04] Nuclide Adsorption & Separation 1

(7)Concept of the separation and storage for Minor Actinides (Part2)

(8)Extraction behavior of Np

(9)Productions of uranium-based solid matrix containing lanthanides by distillation and heating processes

(10)Synthesis of fluorite-structured metal oxides by low-temperature hydrothermal method

[3B05-08] Nuclide Adsorption & Separation 2

distillation experiment

(1)Selective biosorption of platinum group elements and molybdenum from nitric acid solutions using baker’s yeast

(87)Research report in 2020

(88)Effects of heat generation of vitrified waste from spent MOX fuel on repository footprint

[3B09-12] Nuclide Adsorption & Separation 3

(89)Optimization study on the heat generation of MOX vitrified wastes and repository footprint by MA separation and waste loading

(90)X-ray absorption analysis for each element in simulated high-level liquid waste after heating treatment

(91)Improved TEHDGA column flow for MA + Ln co-recovery

(92)Development of HONTA column flow for MA / Ln separation

[3B13-16] Nuclide Adsorption & Separation 4

(93)Confirmation of TEHDGA, HONTA 2-stage process performance using RI

(94)Design of a process-flow for an active experiment

(95)Adsorption /Elution Performance of HONTA Adsorbents for MA(III)Recovery-hot experiment-

(96)Development of on-line monitoring technique of target elements for chromatographic valve control

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