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Journal Articles

Development of fluorinated ligands for uranium recovery from radioactive liquid waste

Arai, Yoichi; Goto, Yasuhiro; Watanabe, So; Agou, Tomohiro*; Arai, Tsuyoshi*; Katsuki, Kenta*; Fukumoto, Hiroki*; Hoshina, Hiroyuki*; Seko, Noriaki*

Progress in Nuclear Science and Technology (Internet), 8, p.329 - 332, 2025/09

Journal Articles

Adsorption mechanism of Eu onto newly synthesized fluorous-compound-impregnating adsorbent

Arai, Yoichi; Watanabe, So; Watanabe, Masayuki; Arai, Tsuyoshi*; Katsuki, Kenta*; Agou, Tomohiro*; Fujikawa, Hisaharu*; Takeda, Keisuke*; Fukumoto, Hiroki*; Hoshina, Hiroyuki*; et al.

Nuclear Instruments and Methods in Physics Research B, 554, p.165448_1 - 165448_10, 2024/09

 Times Cited Count:0 Percentile:0.00(Instruments & Instrumentation)

Journal Articles

Evaluation of the remaining spent extraction solvent in vermiculite after leaching tests via PIXE analysis

Arai, Yoichi; Watanabe, So; Hasegawa, Kenta; Okamura, Nobuo; Watanabe, Masayuki; Takeda, Keisuke*; Fukumoto, Hiroki*; Ago, Tomohiro*; Hagura, Naoto*; Tsukahara, Takehiko*

Nuclear Instruments and Methods in Physics Research B, 542, p.206 - 213, 2023/09

 Times Cited Count:1 Percentile:18.39(Instruments & Instrumentation)

Patent

含フッ素単環芳香族化合物及びその製造方法、金属イオン用吸着剤

荒井 陽一; 渡部 創

吾郷 友宏*; 福元 博基*; 藤川 寿治*; 武田 啓佑*; 新井 剛*

JP, 2022-171691  Patent licensing information

【課題】高い薬品耐性を有すると共に、親フッ素性及び金属イオンを吸着する特性を有する含フッ素単環芳香族化合物を提供する。 【解決手段】ベンゼン環の構造の一部にフルオラス性構造と官能基とを有し、下記(3)式で表される含フッ素単環芳香族化合物。

Oral presentation

Development of chelating agents with perfluoroalkyl groups, 1

Takeda, Keisuke*; Arai, Yoichi; Watanabe, So; Fukumoto, Hiroki*; Ago, Tomohiro*

no journal, , 

no abstracts in English

Oral presentation

Development of fluoroiminodiacetic acid type chelate adsorbent, 1

Takeda, Keisuke*; Arai, Yoichi; Watanabe, So; Fukumoto, Hiroki*; Ago, Tomohiro*

no journal, , 

no abstracts in English

Oral presentation

Development of fluoroiminodiacetic acid type chelate adsorbent, 2

Fujikawa, Hisaharu*; Arai, Yoichi; Watanabe, So; Fukumoto, Hiroki*; Ago, Tomohiro*

no journal, , 

no abstracts in English

Oral presentation

Investigation of the styrene-divinylbenzene coating carrier for extraction chromatography

Kaminaga, Daisuke*; Ago, Tomohiro*; Fukumoto, Hiroki*; Miyazaki, Yasunori; Sano, Yuichi; Takeuchi, Masayuki

no journal, , 

no abstracts in English

Oral presentation

Evaluation of remaining spent extraction solvent in vermiculite by PIXE analysis

Arai, Yoichi; Watanabe, So; Hasegawa, Kenta; Okamura, Nobuo; Watanabe, Masayuki; Takeda, Keisuke*; Fukumoto, Hiroki*; Ago, Tomohiro*; Hagura, Naoto*; Tsukahara, Takehiko*

no journal, , 

Oral presentation

Extraction chromatography technology for MA(III) recovery from spent MOX fuel, 2; Preparation of extractant-impregnated absorbent based on polymer-coated SiO$$_{2}$$ particles

Fukumoto, Hiroki*; Higuchi, Shuya*; Kaminaga, Daisuke*; Arai, Tsuyoshi*; Miyazaki, Yasunori; Sano, Yuichi; Watanabe, So; Takeuchi, Masayuki

no journal, , 

We investigated synthesis of polymer-coated porous SiO$$_{2}$$ particles (SiO$$_{2}$$-P) using copolymerization of styrene and divinylbenzene monomers in the coexistence of SiO$$_{2}$$ for preparing substrates of TEHDGA-impregnated absorbent. We found that the obtained TEHDGA-impregnated absorbent based on 1 wt% polymer-coated SiO$$_{2}$$ (1 wt% SiO$$_{2}$$-P) clearly absorbed Eu(III) in 3M HNO$$_{3}$$ solution.

Oral presentation

Extraction chromatography technology for MA(III) recovery from spent MOX fuel, 1; Overview of the research project

Sano, Yuichi; Watanabe, So; Takeuchi, Masayuki; Fukumoto, Hiroki*; Arai, Tsuyoshi*; Kim, S.*; Nakase, Masahiko*; Tsukahara, Takehiko*

no journal, , 

The research project on minor actinides recovery using extraction chromatography technology has been carried out for the reduction of volume and radiotoxicity of vitrified products. The overview of this project and main results are described in this paper.

Oral presentation

Basic research programs of vitrification technology for waste volume reduction, 140; Study on MA separation technology for vitrification processes and its product storage

Sano, Yuichi; Watanabe, So; Takeuchi, Masayuki; Arai, Tsuyoshi*; Fukumoto, Hiroki*; Kim, S.-Y.*; Nakase, Masahiko*; Tsukahara, Takehiko*

no journal, , 

Regarding extraction chromatography separation technology for minor actinides (MA) contained in waste liquid from MOX fuel processing, we conducted research focusing on the construction of an MA separation flowsheet, safety evaluation of the MA separation technology, and development of an MA separation system, and obtained a technical outlook for practical application.

Oral presentation

Study on the purification conditions to recover the extractant after degradation of MA separation process

Higuchi, Shuya*; Kazama, Yu*; Fukumoto, Hiroki*; Miyazaki, Yasunori; Sano, Yuichi

no journal, , 

no abstracts in English

Oral presentation

Study on the structural changes of HONTA with the nitric acid extraction in the n-dodecane media

Saito, Hiroto*; Fukumoto, Hiroki*; Miyazaki, Yasunori; Sano, Yuichi

no journal, , 

no abstracts in English

Oral presentation

Basic research programs of vitrification technology for waste volume reduction, 115; Study on the polymer coating for improving MA separation performance by extraction chromatography

Kaminaga, Daisuke*; Ago, Tomohiro*; Fukumoto, Hiroki*; Miyazaki, Yasunori; Sano, Yuichi; Takeuchi, Masayuki

no journal, , 

no abstracts in English

Oral presentation

Development of iminodiacetic acid-type chelating adsorbent contained multiple perfluoroalkyl groups, 1

Takeda, Keisuke*; Arai, Yoichi; Watanabe, So; Fukumoto, Hiroki*; Ago, Tomohiro*

no journal, , 

no abstracts in English

Oral presentation

Development of iminodiacetic acid-type chelating adsorbent containing multiple perfluoroalkyl groups, 2

Fujikawa, Hisaharu*; Arai, Yoichi; Watanabe, So; Fukumoto, Hiroki*; Ago, Tomohiro*

no journal, , 

no abstracts in English

Oral presentation

Development of chelating agents with perfluoroalkyl groups, 2

Fujikawa, Hisaharu*; Arai, Yoichi; Watanabe, So; Fukumoto, Hiroki*; Ago, Tomohiro*

no journal, , 

no abstracts in English

19 (Records 1-19 displayed on this page)
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