radiolysis of an extractant for minor actinides, Hexaoctyl-nitrilotriacetamide (HONTA), in dodecane diluent

Toigawa, Tomohiro ; Suzuki, Hideya; Ban, Yasutoshi ; Ishii, Sho*; Matsumura, Tatsuro

Radiolytic stability of an extractant, N,N,N',N',N'',N''-hexaoctyl-nitrilotriacetamide (HONTA), for separation between minor actinides and rare-earth elements were investigated by using -ray emitting from cobalt-60. Degradation amount of HONTA and its products yields were obtained by gas chromatographic analysis. Our results showed the cleavage sites in HONTA radiolysis and suggested that the radiolysis of HONTA was ruled by different mechanism depending on the absorbed dose.

Language	:	English
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Meeting title	:	International Nuclear Fuel Cycle Conference (GLOBAL 2017)
Held date	:	2017/09
Location (city)	:	Seoul
Location (country)	:	Korea
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Keywords	:	Radiolysis; Solvent Extraction; Minor Actinides; Partitioning; HONTA; P&T technology
Research Facility	:	BECKY(バックエンド研究施設) ;コバルト60照射施設
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Registration No. : BB20170521
JAEA Abstracts No. :
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