期刊
SOLVENT EXTRACTION AND ION EXCHANGE
卷 27, 期 2, 页码 107-131出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07366290802672212
关键词
Diglycolamides; lanthanides; actinides; high-level waste; extractants
资金
- EUROPART [FI6W-CT-2003-508854]
- ENRESA
Bisdiglycolamides 1-9 were synthesized and studied as extracting agents for An(III) and Ln(III) from nitric acid solutions. Compounds 1d-3 with rigid spacers as m-xylylene and 6b-9 with more flexible alkyl chain linkers, show higher selectivity for Eu(III) extraction over Am(III) than diglycolamides (TBDGA, DMDODGA, TODGA) in (50:50)%Vol HPT/1-octanol mixture. Am(III) and Eu(III) extraction kinetics are very fast and back-extraction with more than 99% efficiency of both cations is possible after four times of contact of the loaded solvent with fresh 0.01mol/L nitric acid solutions.
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