Vol.9 No.3 2017

Research paper : Radioactive cesium decontamination technology for ash (T. Kawamoto et al.)−150−Synthesiology - English edition Vol.9 No.3 (2017) Miyamoto, and Patent Officer Hideki Kobayashi, who were involved in the promotion of this project; former Director Akira Kamioka, Acting Director Koichi Yoshinari of the Radiation Safety Management Office, the Safety Management Division, former Superintendent Katsumoto Nakaiwa of Tsukuba Central 5, Research Promotion Director Shuji Watanabe of Tsukuba Central 5, Mr. Masao Kunioka, and Mr. Kenji Ito, who helped us to treat the environmental radioisotopes at AIST; and many, many others. We extend our sincere gratitude to all people involved.Some results of this research were obtained through grants of FY 2011 Strategic Funds for the Promotion of Science and Technology (Cabinet Office), FY 2011 Decontamination Technology Verication Test Project (Ministry of Environment), and FY 2011 Decontamination Technology Demonstration Project (Ministry of Environment).References[1]Ministry of Economy, Trade and Industry: Genshiryoku anzen ni kansuru IAEA kakuryo kaigi ni taisuru nihon koku seifu no hokokusho ni tsuite (On the report of the Japanese Government for the IAEA Ministerial Conference on Nuclear Safety), http://www.meti.go.jp/earthquake/nuclear/backdrop/20110607001.html, accessed 2016-01-17 (in Japanese).[2]National Institute of Advanced Industrial Science and Technology: Prussian blue o riyo shite tayona keitai no cesium kyuchakuzai o kaihatsu (Cesium adsorbent of various forms developed using Prussian blue), http://www.aist.go.jp/aist_j/press_release/pr2011/pr20110824/pr20110824.html, accessed 2015-12-19 (in Japanese).[3]National Institute of Advanced Industrial Science and Technology: Nano ryushika shita Prussian blue de cesium kyuchakuno ga kojo (Cesium adsorption capacity improved by nanoparticulization of Prussian blue), http://www.aist.go.jp/aist_j/press_release/pr2012/pr20120208/pr20120208.html, accessed 2015-12-19 (in Japanese).[4]National Institute of Advanced Industrial Science and Technology: Dojochu no cesium o teinodo no san de chushutsu suru koto ni seiko (Succeeded in extracting cesium in soil using low-concentration acid), http://www.aist.go.jp/aist_j/press_release/pr2011/pr20110831/pr20110831.html, accessed 2015-12-19 (in Japanese).[5]National Institute of Advanced Industrial Science and Technology: Shokubutsukei hoshasei cesium osenbutsu o josen gen’yo suru tame no jissho shiken plant (Verication test plant for decontamination and volume reduction of vegetal radioactive cesium contaminants), http://www.aist.go.jp/aist_j/press_release/pr2012/pr20121112/pr20121112.html, accessed 2015-12-19 (in Japanese).[6]T. 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Mizuno: Areva’s Actriflo-rad water treatment system for the Fukushima Nuclear Power Plant, Int. J. Nucl. Power, 308 (2012).[20]A. Gay, P. Gillet, B. Ytournel, T. Varet, L. David, T. Prevost, C. Redonnet, G. Piot, S. Jouaville and G. Pagis: Multi-phased, post-accident support of the Fukushima Dai-Ichi Nuclear Power Plant, WM2012, 12246 (2012).[21]A. Gotoh, H. Uchida, M. Ishizaki, T. Satoh, S. Kaga, S. Okamoto, M. Ohta, M. Sakamoto, T. Kawamoto, H. Tanaka, M. Tokumoto, S. Hara, H. Shiozaki, M. Yamada, M. Miyake and M. Kurihara: Simple synthesis of three primary colour

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