Rchr
J-GLOBAL ID：202001010118772263
Update date: Oct. 01, 2024
Irisawa Keita
Irisawa Keita
Research theme for competitive and other funds (2)：
- 2015 - 2017 Development of solidification techniques with minimised water content for safe storage of secondary radioactive aqueous wastes in Fukushima
- 2015 - 2015 Development of versatile cementitious matrix for Fukushima's wastes
Papers (17)：
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Mio Hanawa, Yoshiha Kita, Keita Irisawa. Influence of temperature and polyphosphate contents on hydroxyapatite crystallization in calcium aluminate cement modified with sodium polyphosphate. 2024. 449. 138503_1-12
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K. Irisawa, M. Namiki, T. Taniguchi, I. Garcia-Lodeiro, H. Kinoshita. Solidification and stabilization of strontium and chloride ions in thermally treated calcium aluminate cement modified with or without sodium polyphosphate. 2022. 156. 106758_1-8
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Y. Takahatake, S. Watanabe, K. Irisawa, H. Shiwaku, M. Watanabe. Structural characterization by X-ray analytical techniques of calcium aluminate cement modified with sodium polyphosphate containing cesium chloride. Journal of Nuclear Materials. 2021. 556. 1. 153170_1-7
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K. Irisawa, I. Garcia-Lodeiro, H. Kinoshita. Influence of mixing solution on characteristics of calcium aluminate cement modified with sodium polyphosphate. Cement and Concrete Research. 2020. 128. 105951_1-7
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I. Garcia-Lodeiro, K. Irisawa, Y. Meguro, H. Kinoshita. Development of phosphate modified CAC cementitious systems with reduced water content for the immobilization of radioactive wastes. Proceedings of 15th International Congress on the Chemistry of Cement. 2019. 1-10
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MISC (10)：
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K. Irisawa, I. Kudo, T. Taniguchi, M. Namiki, T. Osugi, O. Nakazawa. Hydrogen gas measurements of phosphate cement irradiated during heat treatment. QST Takasaki Annual Report 2017. 2019
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K. Irisawa, I. Kudo, T. Taniguchi, M. Namiki, T. Osugi, O. Nakazawa. Characterization of phosphate cement irradiated by -ray during dehydration,. QST Takasaki Annual Report 2016. 2018
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入澤 啓太. アスファルト固化体中の硝酸塩を取り除く -処分における硝酸塩影響の低減にかかわる技術開発-. 原子力機構の研究開発成果2016-2017. 2016
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K. Irisawa, T. Komatsuzaki, Y. Kawato, T. Sakakibara, O. Nakazawa, Y. Meguro. Development of Denitration Technique of MA-type Bituminized Waste Product by Aqueous Leaching Method. JAEA-Technology 2015-008. 2015. 1-28
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K. Irisawa, T. Komatsuzaki, Y. Kawato, T. Sakakibara, O. Nakazawa, Y. Meguro. Development of Refilling Techniques of LA-type Bituminized Waste Products. JAEA-Technology 2014-039. 2014
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Lectures and oral presentations (44)：
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リン酸セラミックス中のリン酸塩量によるアパタイト結晶化
(第9回関東磐越地区化学技術フォーラム 2023)
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Na型,K型メタカオリンジオポリマーおよびOPCの物性に及ぼすSrCl2の影響
(第9回関東磐越地区化学技術フォーラム 2023)
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Carbonate group substitution of biological apatite in fish bone
(2022)
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Thermal effects on apatite formation in phosphate cement
(2022)
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廃棄物として発生する含鉛製品の溶出試験
(日本原子力学会2020年秋の大会 2020)
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Education (4)：
- 2005 - 2008 Tokyo Institute of Technology School of Sciece Department of Earth and Planetery Sciences
- 2007 - 2007 University of California, Davis Department of Earth and Planetary Sciences
- 2003 - 2005 Tokyo Institute of Technology School of Science Department of Earth and Planetery Science
- 1999 - 2003 Tokyo Institute of Technology School of Science Department of Earth and Planetary Science
Work history (3)：
- 2021/10 - 現在 National Institute of Technology, Ibaraki College
- 2008/04 - 2021/09 Japan Atomic Energy Agency
- 2015/03 - 2016/03 The University of Sheffield Department of Materials Science and Engineering Visiting researcher
Committee career (2)：
- 2024/06 - 現在 茨城県技能検定委員(化学分析)
- 2023/09 - 錯体化学会 第73回討論会 実行委員
Awards (2)：
- 2019/10 - 日本原子力研究開発機構 研究開発功績賞 汚染水処理二次廃棄物の脱水固定化技術の開発
- 2015/08 - The Institute of Materials, Minerals and Mining Poster prize at the 35th Cement and Concrete Science Conference Effects of composition on calcium aluminate phosphate cement for caesium nitrate incorporation
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