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Research paper : Radioactive cesium decontamination technology for ash (T. Kawamoto et al.)−152−Synthesiology - English edition Vol.9 No.3 (2017) AuthorsTohru KawamotoGraduated from the Department of Material Physics, School of Engineering Science, Osaka University in 1992. Completed the doctor’s program at the Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University in 1997. Joined the Electrotechnical Laboratory, Agency of Industrial Science and Technology, Ministry of International Trade and Industry in 1997. Engaged in the theoretical research of external responsive materials. Researcher, Nanotechnology Research Institute, AIST in 2001; Senior Researcher in 2006; Group Leader, Molecular Nanophysics Group, Nanosystem Research Institute in 2010; Group Leader, Green Technology Research Group; and Group Leader, Nanoparticle Functional Design Group, Nanomaterials Research Institute in 2015. Visiting Researcher, Graduate School of Science and Engineering, Yamagata University from 2016. In this paper, was in charge of the supervision of the R&D.Hisashi TanakaGraduated from the Department of Chemistry, School of Science, the University of Tokyo in 1994. Completed the doctor’s course at the Department of Chemistry, Graduate School of Science, the University of Tokyo in 1999. Doctor (Science). Engaged in the research of molecular superconductor at the Institute for Molecular Science, as Postdoctoral Fellow, Japan Society for the Promotion of Science in 1999. Joined AIST in 2002. Researcher, Nanotechnology Research Institute; Senior Researcher in 2007; Senior Researcher, Nanosystem Research Institute in 2010; and Senior Researcher, Nanomaterials Research Institute in 2015. In this paper, was in charge of the development and evaluation of the adsorbents.Yukiya HakutaGraduated from the Department of Chemistry, School of Engineering, Tohoku University in 1988. Withdrew from the Department of Chemistry, Graduate School of Engineering, Tohoku University in 1993. Assistant, School of Engineering, Tohoku University in 1993. Joined AIST in 2001. Researcher, Supercritical Fluid Research Center. R&D Staff, Chemicals Division, Manufacturing Industry Bureau, Ministry of Economy, Trade and Industry in 2007. Senior Researcher, Research Center for Compact Chemical Process, AIST in 2008; Senior Researcher, Nanosystem Research Institute in 2010; and currently, Group Leader, Nanoparticle Structure Design Group, Nanomaterials Research Institute in 2015. In this paper, was in charge of the demonstration at the pilot plant for incinerated ash decontamination.Akira TakahashiGraduated from the Faculty of Engineering, Kyoto University in 2009. Completed the master’s course at the Department of Materials Science and Engineering, Graduate School of Engineering, Kyoto University in 2011. Joined AIST in 2011. Researcher, Green Technology Research Group, Nanosystems Research Institute in 2011. Started the doctor’s course at the Department of Chemistry, Graduate School of Science, the University of Tokyo in 2013 while maintaining position at AIST. Researcher, Nanoparticle Functional Design Group, Nanomaterials Research Institute, AIST in 2015. In this paper, was in charge of the synthesis of adsorbents and study of its physical properties.water molecules, Dalton Trans., 42 (45), 16049–16055 (2013).[46]J. Munezawa and K. Nishi: Development of the radioactive cesium recovery system for effective safekeeping at the nal disposal site “Adsorption separation-combustion oxidation -concentration”, Journal of the Society for Remediation of Radioactive Contamination in the Environment, 2 (2), 101–110 (2014) (in Japanese).[47]A. Kitajima, H. Tanaka, N. Minami, K. Yoshino and T. Kawamoto: Efcient cesium adsorbent using Prussian blue nanoparticles immobilized on cotton matrices, Chem. Lett., 41 (11), 1473–1474 (2012).[48]A. Kitajima, H. Ogawa, T. Kobayashi, T. Kawasaki, Y. Kawatsu, T. Kawamoto and H. Tanaka: Monitoring low-radioactivity caesium in Fukushima waters, Environ. Sci. Process. Impacts, 16 (1), 28–32 (2014).[49]H. Ogawa, A. Kitajima, H. Tanaka and T. Kawamoto: Numerical evaluation of Cs adsorption in PB column by extended Langmuir formula and one-dimensional adsorption model, J. Radioanal. Nucl. Chem., 303 (2), 1287–1290 (2014).[50]Ministry of Health, Labour and Welfare: Jiko Yurai Haikibutsu To Shobun Gyomu Tokubetsu Kyoiku Text (Textbook on special instruction for disposal of waste material arising from the accident), (2013) (in Japanese).[51]KM. Lee, M. Asai, T. Uchida, T. Kawamoto, K. Minami, A. Takahashi, D. Parajuli, G. Kido, M. Takasaki, K. Yoshino and H. Tanaka: Decomposition of iron hexacyanoferrate microcapsule beads using superheated steam, Chem. Lett., (2016) (in press).[52]D. Parajuli, H. Noguchi, H. Tanaka, T. Kawasaki, Y. Kawatsu, T. Kobayashi and T. Kawamoto: Effective removal of hexacyanoferrate anions using quaternary amine type ion exchange resin, J. Environ. Chem. Eng., 3 (4), 2448–2452 (2015).[53]National Institute for Environmental Studies: Hibai senjo gijutsu ni kansuru gijutsu shiryo (Shisetsu seino sekkei ni kakaru shishin) [Technical reference material on fly ash washing technology (Guidelines for performance and design of plants)], (2014) (in Japanese).[54]Ministry of Agriculture, Forestry and Fisheries: Tameike no hoshasei busshitsu taisaku gijutsu manual (Manual for measures against radioactive materials in small reservoirs), http://www.maff.go.jp/j/press/nousin/saigai/150327.html, accessed 2016-02-28 (in Japanese).[55]National Institute of Advanced Industrial Science and Technology: Kaisuichu no teinodo hoshasei cesium o jinsoku ni monitoring (Quick monitoring of low-concentration radioactive cesium in seawater), http://www.aist.go.jp/aist_j/press_release/pr2016/pr20160205/pr20160205.html, accessed 2016-02-28 (in Japanese).

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