2016 Fall Meeting

Presentation information

Oral Presentation

VI. Health Physics and Environmental Science » Health Physics and Environmental Science

[1J13-17] Radiation Dosimetry

Wed. Sep 7, 2016 4:05 PM - 5:25 PM Room J (Kumume City Plaza - Conference Room)

Chair: Jun Hirouchi (JAEA)

4:20 PM - 4:35 PM

[1J14] Unraveling the formation processes of Cs-rich microparticles in the Fukushima Daiichi nuclear power plant

*Junpei Imoto1, Genki Furuki1, Asumi Ochiai1, Shinaya Yamasaki2, Kenji Nanba1,3, Toshihiko Ohnuki4, Bernd Grambow5, Rodney Ewing6, Satoshi Utsunomiya1 (1.Department of Chemistry, Kyushu University, 2.Faculty of Pure and Applied Sciences and Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 3.Department of Environmental Management, Faculty of Symbiotic System Science, Fukushima University, 4.Laboratoty for Advaced Nuclear Energy, Tokyo Institute of Technology Institute of Innovative Research, 5.SUBATECH, the University and Ecole des Mines of Nantes and CNRS, 6.Department of Geological Sciences and Center for International Security and Cooperation, Stanford University)

Keywords:Cs-rich microparticles, molten core concrete interaction, transmission electron microscope

福島第一原発から高濃度の放射性セシウムを含有する粒子が放出されている。この粒子は放射性セシウムの化学状態やMCCIに関する重要な情報を有していると考えられる。本研究では電子顕微鏡技術を駆使して、この粒子の内部構造と元素分布を明らかし、粒子生成過程と事故時の炉内環境を考察した。