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Toigawa, Tomohiro; Murayama, Rin*; Kumagai, Yuta; Yamashita, Shinichi*; Suzuki, Hideya; Ban, Yasutoshi; Matsumura, Tatsuro
UTNL-R-0501, p.24 - 25, 2020/12
This report summarizes the results obtained in FY2019 at Electron Linac Facility of University of Tokyo. The radiolysis process of a diglycolamide extractant, which is expected to be used in the separation process of minor actinides (MA), in dodecane and octanol solutions was investigated by pulse radiolysis. As a result, it was suggested that by adding alcohol, the decomposition process of the diglycolamide extractant was different from the decomposition processes in the single solvent of dodecane considered that the decomposition occurred via a radical cation species of the extractant.
Suzuki, Hideya; Yamashita, Kiyoto*; Murayama, Rin*; Ban, Yasutoshi; Shibata, Mitsunobu; Kurosawa, Tatsuya*; Kawasaki, Tomohiro; Sagawa, Hiroshi*; Sasaki, Yuji; Matsumura, Tatsuro
no journal, ,
Hexaalkyl-nitrilotriacetamide (NTAamide) was evaluated for the separation of MA(III) and RE(III). NTAamide is a tetradentate ligand with one soft central N-donor atom and three hard carbonyl O-donor atoms in its skeleton. NTAamide was tested for the removal of MA(III) and RE(III) from HNO
into n-dodecane. MA(III) and RE(III) separation was demonstrated with a high yield through the extraction process using NTAamide. This study shows that NTAamide is a highly practical, high-performance extractant for partitioning MA(III) from RE(III).
Toigawa, Tomohiro; Murayama, Rin*; Kumagai, Yuta; Yamashita, Shinichi*; Matsumura, Tatsuro
no journal, ,
no abstracts in English