期刊
SOLVENT EXTRACTION AND ION EXCHANGE
卷 28, 期 4, 页码 437-458出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07366299.2010.480930
关键词
Liquid-liquid extraction; GANEX; BTBP; TBP; actinides; lanthanides; separation
资金
- Swedish Nuclear Fuel and Waste Management Company (SKB)
- European 7<SUP>th</SUP> Framework Program ACSEPT [211267]
A GANEX (Group ActiNide EXtraction) separation system for transmutation has been developed. In this separation process the actinides should be extracted as a group from the lanthanides and the fission and corrosion/activation products. This can be achieved by combining BTBP (bis-triazine-bipyridine) with TBP (tri-butyl phosphate) in cyclohexanone. From 4M nitric acid this organic system extracts the actinides (log(DAm) = 2.19, log(DPu) = 2.31, log(DU) = 1.03, log(DNp) = 0.53) and also separates them from the lanthanides (log(DLa) = -2.0, log(DCe) = -1.72, log(DNd) = -1.05, log(DSm) = -0.18, log(DEu) = -0.02). One problem encountered is that some of the fission and corrosion products are also extracted. The new system however still looks feasible.
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