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Sequestration of trivalent americium and lanthanide nitrates with bis-lactam-1,10-phenanthroline ligand in a hydrocarbon solvent

机译:在烃类溶剂中用双-内酰胺-1,10-菲咯啉配体螯合三价valent和硝酸镧

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Efficient separation of minor actinides and lanthanides from used nuclear fuel could potentially lead to the development of sustainable nuclear fuel cycles. Herein, we report an in-depth study on selectivity and speciation in the extraction of the trivalent minor actinide Am and rare earth metal ions with a pre-organized phenanthroline-based ligand in a hydrocarbon solvent system relevant to nuclear fuel reprocessing. The 1?:?1 and 2?:?1 ligand-to-metal complexes dominate the speciation in the organic solvent over a range of ligand-to-metal concentrations, as evidenced by experimental data and supported by modeling.
机译:从用过的核燃料中有效分离次act系元素和镧系元素可能会导致发展可持续的核燃料循环。本文中,我们报告了在与核燃料后处理有关的烃溶剂系统中,用预先组织的菲咯啉基配体萃取三价次minor系元素Am和稀土金属离子的选择性和形态的深入研究。实验数据证明并通过建模证明,在一定范围的配体-金属浓度范围内,1α:?1和2α:?1配体与金属的络合物在有机溶剂中占主导地位。

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