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Basic Study on actinide leaching and waste management of MCCI debris

Research Project

Project/Area Number 16H02447
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Nuclear engineering
Research InstitutionKyoto University

Principal Investigator

Sasaki Takayuki  京都大学, 工学研究科, 教授 (60314291)

Co-Investigator(Kenkyū-buntansha) 桐島 陽  東北大学, 多元物質科学研究所, 教授 (00400424)
佐藤 修彰  東北大学, 工学研究科, 学術研究員 (70154078)
秋山 大輔  東北大学, 多元物質科学研究所, 助教 (80746751)
小林 大志  京都大学, 工学研究科, 准教授 (80630269)
Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥45,110,000 (Direct Cost: ¥34,700,000、Indirect Cost: ¥10,410,000)
Fiscal Year 2019: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2018: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2017: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2016: ¥25,220,000 (Direct Cost: ¥19,400,000、Indirect Cost: ¥5,820,000)
KeywordsMCCI燃料デブリ / 核分裂生成物 / 溶出挙動 / ガラス固化 / 東京電力福島第一原子力発電所 / 燃料デブリ / アクチノイド / 核種溶出 / 放射性廃棄物処分 / 処理プロセス / 放射性廃棄部処分 / MCCI / 相状態 / 溶出評価
Outline of Final Research Achievements

A simulated fuel debris of MCCI debris that occurred at the severe accident at FDNPS was prepared as a fundamental study for the proposal of the final disposal. The relationship between properties of the solid phase condition and leaching of U and fission products was investigated. Additionally, we proposed the vitrification method for stabilizing the generated debris. Unlike ordinary spent fuel mainly composed of uranium dioxide, the formation of calcium-uranium oxide was confirmed at high temperatures, and the uranium boride was formed by reaction with B in control rods. Various fission products were introduced by thermal neutron irradiation. Based on the concentration of nuclides eluted by immersion in artificial seawater etc., the knowledge of long-term chemical stability of MCCI debris when disposed was obtained. When the debris was vitrified under an anaerobic condition, the volume as waste increased, but a significant effect of suppressing elution of nuclides was found.

Academic Significance and Societal Importance of the Research Achievements

本研究は、福島第一原発事故で発生したと考えられる様々な燃料デブリのうち、これまで殆ど知見の無いコンクリートと反応したデブリに着目し、デブリ固相の性状および水に対する化学的耐性を実験的に検討した。これらの基礎知見は、進行中の廃炉事業ならびにデブリ回収後の過度に保守的でない処理処分方策の立案に有益な情報をもたらすものである。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (33 results)

All 2019 2018 2017 2016

All Journal Article (8 results) (of which Peer Reviewed: 4 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (25 results) (of which Int'l Joint Research: 10 results,  Invited: 6 results)

  • [Journal Article] Leaching behavior of gamma-emitting fission products, calcium, and uranium from simulated MCCI debris in water2019

    • Author(s)
      T. Sasaki, S. Sakamoto, D. Akiyama, A. Kirishima, T. Kobayashi, N. Sato
    • Journal Title

      J. Nucl. Sci. Technol.

      Volume: 56 Issue: 12 Pages: 1092-1102

    • DOI

      10.1080/00223131.2019.1641444

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Study on the chemical structure and actinide leaching of MCCI debris2019

    • Author(s)
      A. Kirishima, A. Nagatomo, D. Akiyama, T. Sasaki, N. Sato
    • Journal Title

      Journal of Nuclear Materials

      Volume: 527 Pages: 151795-151795

    • DOI

      10.1016/j.jnucmat.2019.151795

    • NAID

      120007180899

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Leaching behavior of fission products from simulated MCCI debris2019

    • Author(s)
      T. Sasaki, N. Sato, A. Kirishima, D. Akiyama, T. Kobayashi, K. Takamiya, S. Sekimoto, Y. Kodama, and Q. Zhao
    • Journal Title

      KURNS Progress Report 2019

      Volume: - Pages: 31015-31015

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Research on the behavior of actinides and FPs in fuel debris2018

    • Author(s)
      N. Sato, A. Kirishima, D. Akiyama, S. Kimuro, A. Nagatomo, T. Sasaki, T. Kobayashi, S. Sakamoto, D. Harumoto, A. Uehara, K. Takamiya and T. Fujii
    • Journal Title

      KURRI Progress Report

      Volume: -

    • Related Report
      2018 Annual Research Report
    • Open Access
  • [Journal Article] 福島第一原子力発電所事故で発生した燃料デブリおよび放射性廃棄物の処理・処分に関する研究 ―核燃およびRI研究と施設管理―2018

    • Author(s)
      佐藤修彰,桐島 陽,秋山大輔
    • Journal Title

      Radioisotope

      Volume: 67(12) Pages: 1-13

    • NAID

      130007531102

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Study on the leaching behavior of actinides from nuclear fuel debris2018

    • Author(s)
      A. Kirishima, M. Hirano, D. Akiyama, T. Sasaki, N. Sato
    • Journal Title

      Journal of Nuclear Materials

      Volume: 502 Pages: 169-176

    • DOI

      10.1016/j.jnucmat.2018.02.018

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Determination of dissolved natural thorium and uranium in Horonobe and Mizunami Underground Research Laboratory groundwater and its thermodynamic analysis2017

    • Author(s)
      T.Sasaki, T.Koukami, T.Kobayashi, A.Kirishima, H.Murakami, Y.Amano, T.Mizuno, T.Iwatsuki, H.Sasamoto, K.Miyakawa
    • Journal Title

      Journal of Nuclear Science and Technology

      Volume: 54 Pages: 373-381

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 模擬燃料デブリ中の放射性核種の溶出挙動2016

    • Author(s)
      佐々木隆之、桐島陽、佐藤修彰
    • Journal Title

      金属

      Volume: 86 Pages: 994-999

    • Related Report
      2016 Annual Research Report
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基礎研究(8)MCCIデブリのガラス固化に関する予察的検討, 1B012019

    • Author(s)
      児玉雄二, 佐々木隆之, 他4名
    • Organizer
      日本原子力学会2019年春の年会
    • Related Report
      2019 Annual Research Report
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基礎研究 (7)UO2とZrO2及びステンレスの相関係、1O062019

    • Author(s)
      秋山大輔、秋山栄徳、桐島陽、佐々木隆之、佐藤修彰
    • Organizer
      日本原子力学会2019年春の年会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Impact of Vitrification Treatment on Leaching Behavior of Fission Products from MCCI Debris2019

    • Author(s)
      Y. Kodama, S. Sakamoto, D. Akiyama, A. Kirishima, T. Kobayashi, N. Sato, T. Sasaki
    • Organizer
      Migration 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Leaching Behavior of Fission Products at the Surface of MCCI Debris2019

    • Author(s)
      T. Sasaki, D. Harumoto, S. Sakamoto, D. Akiyama, A. Kirishima, N. Sato
    • Organizer
      Migration 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基礎研究 (8)MCCIデブリのガラス固化に関する予察的検討2018

    • Author(s)
      児玉雄二, 佐々木隆之, 小林大志, 秋山大輔, 桐島 陽, 佐藤修彰
    • Organizer
      2019年春の年会 茨城大学水戸キャンパス, 水戸市
    • Related Report
      2018 Annual Research Report
  • [Presentation] Study on Nuclear Fuel Chemistry for Decommissioning of Fukushima Daiichi NPP2018

    • Author(s)
      Nobuaki Sato
    • Organizer
      International Symposium on Decommissioning and Decontamination, Suwon, Korea
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Basic Research on Nuclear Fuel Debris Generated by Fukushima Accident in 20112018

    • Author(s)
      Akira Kirishima
    • Organizer
      International Symposium on Decommissioning and Decontamination, Suwon, Korea
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Phase Analysis of UO2- ZrO2-S.S. system at high temperature under oxidizing condition2018

    • Author(s)
      D. Akiyama, H. Akiyama, A. Uehara, K. Matsumoto, C. Numako, Y. Terada, T. Ina, S. Takeda, A. Kirishima, N. Sato
    • Organizer
      The Nuclear Materials Conference
    • Related Report
      2018 Annual Research Report
  • [Presentation] Study on the Leaching of Actinides from Nuclear Fuel Debris2018

    • Author(s)
      A. Kirishima, D. Akiyama, T. Sasaki, N. Sato
    • Organizer
      The Nuclear Materials Conference
    • Related Report
      2018 Annual Research Report
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基盤研究 (5)デブリ中のカルシウムおよびホウ素のFP溶出への影響2018

    • Author(s)
      坂本 峻;、佐々木隆之、小林大志、秋山 大輔、桐島 陽、佐藤 修彰
    • Organizer
      日本原子力学会 2018年春の年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基盤研究 (6)デブリ中のカルシウムとケイ酸のアクチノイド溶出への影響2018

    • Author(s)
      桐島 陽、長友彬人、秋山 大輔、佐々木隆之、佐藤 修彰
    • Organizer
      日本原子力学会 2018年春の年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基盤研究 (7) UO2とZrO2及びステンレスの相関係2018

    • Author(s)
      秋山 大輔、秋山 栄徳、桐島 陽、佐藤 修彰、佐々木隆之
    • Organizer
      日本原子力学会 2018年春の年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基盤研究 (1)MCCI模擬デブリの高温における反応挙動2017

    • Author(s)
      佐藤修彰、秋山大輔、桐島陽、佐々木隆之
    • Organizer
      日本原子力学会 2017年春の年会
    • Place of Presentation
      平塚市、東海大学
    • Year and Date
      2017-03-27
    • Related Report
      2016 Annual Research Report
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基盤研究 (2)燃料デブリ生成時の温度と汚染水へのアクチノイド溶出挙動の関係2017

    • Author(s)
      長友彬人、桐島陽、秋山大輔、佐藤修彰、佐々木隆之
    • Organizer
      日本原子力学会 2017年春の年会
    • Place of Presentation
      平塚市、東海大学
    • Year and Date
      2017-03-27
    • Related Report
      2016 Annual Research Report
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基盤研究 (3)模擬燃料デブリの核種溶出率に基づく実汚染水の一考察2017

    • Author(s)
      坂本峻一、佐々木隆之、小林大志、秋山大輔、桐島陽、佐藤修彰
    • Organizer
      日本原子力学会 2017年春の年会
    • Place of Presentation
      平塚市、東海大学
    • Year and Date
      2017-03-27
    • Related Report
      2016 Annual Research Report
  • [Presentation] Validation of actinides dissolved from 1F fuel debris into the cooling water system2017

    • Author(s)
      T. Sasaki, S. Sakamoto, T. Kobayashi, D. Akiyama, A. Kirishima, N. Sato
    • Organizer
      Actinide 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] High Temperature Reaction Behavior of Fuel Debris Components under Reducing and Oxidizing Conditions2017

    • Author(s)
      N. Sato, D. Akiyam, A. Kirishima, T. Sasaki
    • Organizer
      Ist International scientific and practical workshop
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Phase Relation of Simulated MCCI Debris at High Temperatures2017

    • Author(s)
      N. Sato, D. Akiyam, A. Kirishima, T. Sasaki
    • Organizer
      ANFC 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 放射化学アプローチによるエネルギー資源のバックエンド工学研究2017

    • Author(s)
      桐島 陽, 秋山 大輔, 佐藤修彰
    • Organizer
      資源・素材 & EARTH 2017
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] 放射性物質と素材プロセッシングとの関わり2017

    • Author(s)
      佐藤修彰
    • Organizer
      資源・素材&EARTH 2017
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] MCCIデブリからのアクチノイド溶出機構および処理プロセスに関する基盤研究 (4) 燃料デブリの組成とアクチノイド溶出挙動の関係2017

    • Author(s)
      長友彬人、桐島 陽、秋山 大輔、佐々木隆之、佐藤 修彰
    • Organizer
      日本原子力学会 2017年秋の大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Leaching Behavior of Radionuclides in Simulated Fuel Debris2016

    • Author(s)
      T.Sasaki, N.Sato, A.Kirishima, D.Akiyama, S.Sakamoto, T.Kobayashi
    • Organizer
      5th International Conference on Asian Nuclear Prospects 2016
    • Place of Presentation
      仙台市、東北大学
    • Year and Date
      2016-10-23
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Phase Change of The Simulated MCCI Debris at High Temperature under Reductive and Oxidative Atmospheres2016

    • Author(s)
      N.Sato, D.Akiyama, A.Kirishima, T.Sasaki
    • Organizer
      The Nuclear Materials Conference 2016
    • Place of Presentation
      Montpellier, France
    • Year and Date
      2016-10-07
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Evaluation of Fuel Debris for Waste Management of Damaged Reactor2016

    • Author(s)
      N.Sato
    • Organizer
      The 14th Korea/Japan Int. Symp. on Resources Recycling and Materials Science
    • Place of Presentation
      Incheon, Korea
    • Year and Date
      2016-07-06
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 模擬燃料デブリ中の放射性物質の溶出挙動2016

    • Author(s)
      佐々木隆之、佐藤修彰、桐島陽
    • Organizer
      素材工学研究懇談会
    • Place of Presentation
      仙台市、東北大学
    • Related Report
      2016 Annual Research Report
    • Invited

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Published: 2016-04-21   Modified: 2021-02-19  

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