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2016 Fiscal Year Final Research Report

Development of technology and radiation measurement in various chemical forms

Planned Research

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Project AreaInterdisciplinary Study on Environmental Transfer of Radionuclides from the Fukushima Daiichi Nuclear Power Plant Accident
Project/Area Number 24110009
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionOsaka University

Principal Investigator

Shinohara Atsushi  大阪大学, 理学研究科, 教授 (60183050)

Co-Investigator(Kenkyū-buntansha) 齊藤 敬  尚絅学院大学, 公私立大学の部局等, 准教授 (00343616)
上杉 正樹  金沢大学, 学内共同利用施設等, 研究員 (00622094)
小島 貞男  愛知医科大学, 医学部, 教授 (20126858)
村松 久和  信州大学, 教育学部, 教授 (40157798)
沖 雄一  京都大学, 原子炉実験所, 准教授 (40204094)
大槻 勤  京都大学, 原子炉実験所, 教授 (50233193)
横山 明彦  金沢大学, 物質化学系, 教授 (80230655)
大浦 泰嗣  首都大学東京, 理工学研究科, 准教授 (90291567)
吉村 崇  大阪大学, 学内共同利用施設等, 教授 (90323336)
二宮 和彦  大阪大学, 理学(系)研究科(研究院), 助教 (90512905)
本多 照幸  東京都市大学, 工学部, 教授 (30139414)
Project Period (FY) 2012-06-28 – 2017-03-31
Keywords環境放射能 / 環境放射能動態 / 放射線計測 / 地球化学 / 大気化学 / 化学分離 / 放射化学 / 放出模擬実験
Outline of Final Research Achievements

Large amounts of radioactive nuclides were released into the environment by the accident of FDNPP. Many researchers reported radioactivities in the environment and distribution of radioactive nuclides was investigated. However, trace nuclides such as Sr-90 and Pu isotopes have been very limited. Detail reactor circumstance (such as fuel temperature) and chemical forms of released nuclides can be investigated from these elements. In this work, we successfully developed a new rapid analysis methods for these nuclides and investigated distribution and time change of these nuclides for aerosol, seawater and soil samples. We also investigated absorption process of these nuclides for aerosols using aerosol generation system connected fission product generation chamber. From these studies, we discussed the detail reactor circumstance in the initial stage of the accident.

Free Research Field

放射化学

URL: 

Published: 2018-03-22  

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