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Extraction of radiocesium from the soil of the fields with biological materials and prevention of loss of trace elements

Research Project

Project/Area Number 25350124
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Eating habits
Research InstitutionShizuoka University

Principal Investigator

Yanaga Makoto  静岡大学, 理学部, 准教授 (10246449)

Project Period (FY) 2013-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords放射性セシウム / 除染 / イネ / 土壌 / 原発事故 / 用水 / 田水 / PSC
Outline of Final Research Achievements

Agricultural soil contaminated with radioactive cesium was decontaminated by an extraction method with aqueous potassium solutions. Results demonstrated that the potassium solutions could extract radioactive cesium from soil artificially contaminated with Cs-137. However, the extraction rate decreased as time passed after the soil was contaminated.
The effects on concentrations of trace elements in leaves of rice plants and on the transfer factor of radioactive cesium derived from nuclear power plant accident from paddy soil to rice by addition of stable isotopes of cesium and rubidium were also examined. The transfer factors of radioactive cesium for the brown rice cultivated with the water in which stable cesium had been added were much larger than those for cultivated with water in which nothing had been added. This implies that the stable cesium ions added were replaced with radioactive cesium ones in soil.

Report

(5 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (14 results)

All 2017 2016 2015 2014 2013

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Acknowledgement Compliant: 2 results) Presentation (12 results)

  • [Journal Article] Adsorption behabior of a carbonized paper sludge towards 137Cs2016

    • Author(s)
      A. Van Tran and M. Yanaga
    • Journal Title

      Journal of Radioanalytical and Nuclear Chemistry

      Volume: 308 Issue: 3 Pages: 857-863

    • DOI

      10.1007/s10967-015-4529-z

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Decontamination of radioactive cesium in soil2015

    • Author(s)
      M. Yanaga and A. Oishi
    • Journal Title

      Journal of Radioanalytical and Nuclear Chemistry

      Volume: 303 Issue: 2 Pages: 1301-1304

    • DOI

      10.1007/s10967-014-3541-z

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] イネおよび田水中の微量元素のPIXE分析(IV)2017

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      日本保健物理学会第50回研究発表会/日本放射線安全管理学会第16回学術大会合同大会
    • Place of Presentation
      ホルトホール大分(大分県大分市)
    • Year and Date
      2017-06-28
    • Related Report
      2016 Annual Research Report
  • [Presentation] セシウムを用いて水田土壌を除染できるか?2017

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      第23回NMCC共同利用研究成果発表会
    • Place of Presentation
      岩手医科大学附属循環器医療センター(岩手県盛岡市)
    • Year and Date
      2017-05-12
    • Related Report
      2016 Annual Research Report
  • [Presentation] イネおよび田水中の微量元素のPIXE分析(III)2016

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      第15回日本放射線安全管理学会学術大会
    • Place of Presentation
      岡山大学津島キャンパス(岡山県岡山市)
    • Year and Date
      2016-11-30
    • Related Report
      2016 Annual Research Report
  • [Presentation] イネ中の微量元素及び放射性セシウムの分析2016

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      2016日本放射化学会年会・第60回放射化学討論会
    • Place of Presentation
      新潟大学五十嵐キャンパス(新潟県新潟市)
    • Year and Date
      2016-09-10
    • Related Report
      2016 Annual Research Report
  • [Presentation] 水田土壌およびイネの微量元素の分析2016

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      第22回NMCC共同利用研究成果発表会
    • Place of Presentation
      岩手医科大学附属循環器医療センター(岩手県盛岡市)
    • Year and Date
      2016-05-13
    • Related Report
      2015 Research-status Report
  • [Presentation] イネおよび田水中の微量元素のPIXE分析(II)2015

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      日本放射線安全管理学会 第14回学術大会
    • Place of Presentation
      筑波大学 大学会館(茨城県つくば市)
    • Year and Date
      2015-12-02
    • Related Report
      2015 Research-status Report
  • [Presentation] 水田土壌およびイネの微量元素の分析2015

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      第21回NMCC共同利用研究成果発表会
    • Place of Presentation
      岩手医科大学附属循環器医療センター(岩手県盛岡市)
    • Year and Date
      2015-05-15 – 2015-05-16
    • Related Report
      2014 Research-status Report
  • [Presentation] イネおよび田水中の微量元素のPIXE分析2014

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      日本放射線安全管理学会 第13回学術大会
    • Place of Presentation
      徳島大学大塚講堂(徳島県徳島市)
    • Year and Date
      2014-12-03 – 2014-12-05
    • Related Report
      2014 Research-status Report
  • [Presentation] 田水、用水中の微量元素の分析2014

    • Author(s)
      矢永誠人、三好弘一、桧垣正吾、森 一幸、西澤邦秀、後藤祥子、世良耕一郎
    • Organizer
      第30回PIXEシンポジウム
    • Place of Presentation
      岩手医科大学附属循環器医療センター(岩手県盛岡市)
    • Year and Date
      2014-10-22 – 2014-10-24
    • Related Report
      2014 Research-status Report
  • [Presentation] 除染にともなう土壌中微量元素の損失2014

    • Author(s)
      矢永誠人、後藤祥子、世良耕一郎
    • Organizer
      第20回NMCC共同利用研究成果発表会
    • Place of Presentation
      岩手医科大学附属循環器医療センター(岩手県盛岡市)
    • Year and Date
      2014-05-23 – 2014-05-24
    • Related Report
      2014 Research-status Report
  • [Presentation] 除染にともなう土壌中微量元素の損失2014

    • Author(s)
      矢永誠人、後藤祥子、世良耕一郎
    • Organizer
      第20回NMCC共同利用研究成果発表会
    • Place of Presentation
      岩手医科大学附属循環器医療センター(岩手県盛岡市)
    • Related Report
      2013 Research-status Report
  • [Presentation] Decontamination of Radioactive Cesium in the Soil2013

    • Author(s)
      Makoto YANAGA, Ayumi OISHI
    • Organizer
      5th Asia-Pacific Symposium on Radiochemistry
    • Place of Presentation
      Kanazawa Bunka Hall (Kanazawa)
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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