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Reprocessing Th-based spent fuels with di-1-methyl heptyl methyl phosphonate using centrifugal extractors
Li, RF; Zhao, HG; Liu, CX; He, SH; Li, Z; Li, QN; Zhang, L
2017
Source PublicationHYDROMETALLURGY
ISSN0304-386X
Volume174Issue:-Pages:84-90
Subtype期刊论文
AbstractIn this paper, a reprocessing Th-based spent fuels process using di-1-methyl heptyl methyl phosphonate (DMHMP) as extractant was proposed and tested by multistage countercurrent extraction using batch simulation and centrifugal extractors. The analysis results of process samples show that the recovery of Th and U in 1A (co-extraction of Th and U), 1B (separation of Th from U) and 1C (stripping of U from organic to aqueous phase) section was more than 99.8% and 99.9%, respectively. The separation factor of Th from U and U from Th in 1B section was 5.9 x 10(3) and 7.1 x 10(3), respectively. Compared with Thorex process using TBP as extractant, the process could be operated under lower acidity and flow ratio of O:A due to the strong extraction ability of DMHMP. Thus, DMHMP would be a promising alternative extractant for Th-based spent fuels process.
Keyword3rd Phase-formation Nitric-acid Solution Solvent-extraction Thorium(Iv) Separation u(Vi) Uranium(Vi) Contactors Phosphate Reactor
DOI10.1016/j.hydromet.2017.09.006
WOS Keyword3RD PHASE-FORMATION ; NITRIC-ACID SOLUTION ; SOLVENT-EXTRACTION ; THORIUM(IV) ; SEPARATION ; U(VI) ; URANIUM(VI) ; CONTACTORS ; PHOSPHATE ; REACTOR
Indexed BySCI
Language英语
WOS IDWOS:000416195200011
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28802
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Li, RF,Zhao, HG,Liu, CX,et al. Reprocessing Th-based spent fuels with di-1-methyl heptyl methyl phosphonate using centrifugal extractors[J]. HYDROMETALLURGY,2017,174(-):84-90.
APA Li, RF.,Zhao, HG.,Liu, CX.,He, SH.,Li, Z.,...&Zhang, L.(2017).Reprocessing Th-based spent fuels with di-1-methyl heptyl methyl phosphonate using centrifugal extractors.HYDROMETALLURGY,174(-),84-90.
MLA Li, RF,et al."Reprocessing Th-based spent fuels with di-1-methyl heptyl methyl phosphonate using centrifugal extractors".HYDROMETALLURGY 174.-(2017):84-90.
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