Separation of Am(III) from Fission Product Lanthanides by Bis(2,4,4-Trimethylpentyl)-Dithiophosphinic Acid (HBTMPDTP) Extraction: Process Parameter Calculation

Jing Chen; Yongjun Zhu; Rongzhou Jiao

doi:dx.doi.org/10.13182/NT98-A2851

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Home / Publications / Journals / Nuclear Technology / Volume 122 / Number 1

Separation of Am(III) from Fission Product Lanthanides by Bis(2,4,4-Trimethylpentyl)-Dithiophosphinic Acid (HBTMPDTP) Extraction: Process Parameter Calculation

Jing Chen, Yongjun Zhu, Rongzhou Jiao

Nuclear Technology / Volume 122 / Number 1 / April 1998 / Pages 64-71

Technical Paper / Reprocessing / dx.doi.org/10.13182/NT98-A2851

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An empirical distribution ratio model for Am and fission product lanthanides (FPLn) in HBTMPDTP extraction and a method of process parameter calculation are presented. A conceptual process flow sheet for Am/FPLn separation by HBTMPDTP extraction is proposed. The decontamination factor of Am from FPLn is higher than 10⁶, and the coextraction of FPLn together with Am is <0.15% with five extraction stages.