Separation of americium from europium using 3,3'-dimethoxy-phenyl-bis-1,2,4-triazinyl-2,6-pyridine

Hill, Talon G.; Chin, Ai Lin; Tai, Serene; Carrick, Jesse D.; Ensor, Dale D.; Delmau, Lætitia H.

doi:10.1080/01496395.2017.1304419

Separation of americium from europium using 3,3'-dimethoxy-phenyl-bis-1,2,4-triazinyl-2,6-pyridine

Journal Article · Wed Mar 22 00:00:00 EDT 2017 · Separation Science and Technology

DOI:https://doi.org/10.1080/01496395.2017.1304419· OSTI ID:1393868

Hill, Talon G. ^[1]; Chin, Ai Lin ^[2]; Tai, Serene ^[2]; Carrick, Jesse D. ^[2]; Ensor, Dale D. ^[2]; ^[3]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Tennessee Technological Univ., Cookeville, TN (United States). Dept. of Chemistry
Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA

Development of liquid-liquid separation processes for the effective removal of the minor actinide Am(III) from used nuclear fuel using ligand-based strategies continues to be an area of significant research focus. The current investigation demonstrates the efficacy of a nitrogen-based bis-triazinyl pyridine (BTP) derivative to selectively extract Am(III) from nitric acid solutions containing light lanthanides. The performance of 3,3’-dimethoxy-phenyl-bis-1,2,4-triazinyl-2,6- pyridine (MOB-BTP) was compared to that of a camphor substituted BTP (CA-BTP). The results of this investigation demonstrate the novel 3,3’-methoxy-BTP extractant dissolved in a polar diluent was a more efficient extractant for Am(III) at a lower concentration than CA-BTP under comparable conditions.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Nuclear Energy (NE); National Science Foundation (NSF)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1393868

Journal Information:: Separation Science and Technology, Journal Name: Separation Science and Technology Vol. N/A; ISSN 0149-6395

Publisher:: Taylor & FrancisCopyright Statement

Country of Publication:: United States

Language:: English

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