Radiation Chemistry of Advanced TALSPEAK Flowsheet

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This report summarizes the results of initial experiments designed to understand the radiation chemistry of an Advanced TALSPEAK process for separating trivalent lanthanides form the actinides. Biphasic aerated samples were irradiated and then analyzed for post-irradiation constituent concentrations and solvent extraction distribution ratios. The effects of irradiation on the TALSPEAK and Advanced TALSPEAK solvents were similar, with very little degradation of the organic phase extractant. Decomposition products were detected, with a major product in common for both solvents. This product may be responsible for the slight increase in distribution ratios for Eu and Am with absorbed dose, however; separation factors ... continued below

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Mincher, Bruce; Peterman, Dean; Mcdowell, Rocklan; Olson, Lonnie & Lumetta, Gregg J. August 28, 2013.

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This report summarizes the results of initial experiments designed to understand the radiation chemistry of an Advanced TALSPEAK process for separating trivalent lanthanides form the actinides. Biphasic aerated samples were irradiated and then analyzed for post-irradiation constituent concentrations and solvent extraction distribution ratios. The effects of irradiation on the TALSPEAK and Advanced TALSPEAK solvents were similar, with very little degradation of the organic phase extractant. Decomposition products were detected, with a major product in common for both solvents. This product may be responsible for the slight increase in distribution ratios for Eu and Am with absorbed dose, however; separation factors were not greatly affected.

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  • Report No.: PNNL-22712
  • Grant Number: AC05-76RL01830
  • DOI: 10.2172/1105100 | External Link
  • Office of Scientific & Technical Information Report Number: 1105100
  • Archival Resource Key: ark:/67531/metadc868457

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • August 28, 2013

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Dec. 6, 2016, 6:09 p.m.

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Mincher, Bruce; Peterman, Dean; Mcdowell, Rocklan; Olson, Lonnie & Lumetta, Gregg J. Radiation Chemistry of Advanced TALSPEAK Flowsheet, report, August 28, 2013; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc868457/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.