Measurement of solubility of plutonium trifluoride and rare-earth fluorides in molten LiF-BeF{sub 2}-ZrF{sub 4}

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Description

Data on behavior of plutonium fluoride and fission products (FP) dissolved in fuel composition are needed to calculate the duration of an operating cycle of the ADTT facility (Accelerator-Driver Transmutation Technologies) and to determine the effect of their equilibrium concentrations on nuclear-physical characteristics of reactor operation. The data on the FP fluoride solubility in the molten salts are of great important for some industrial processes (electrolytical metal deposition, development of physical-chemical mean for processes of chemical technology, etc.) As noted above, some information on this question is given in monography and articles. Data concerning fluoride salts are given in reports. ... continued below

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21 p.

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Naumov, V.S.; Bychkov, A.V. & Kormilitsyn, M.V. December 1, 1996.

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Description

Data on behavior of plutonium fluoride and fission products (FP) dissolved in fuel composition are needed to calculate the duration of an operating cycle of the ADTT facility (Accelerator-Driver Transmutation Technologies) and to determine the effect of their equilibrium concentrations on nuclear-physical characteristics of reactor operation. The data on the FP fluoride solubility in the molten salts are of great important for some industrial processes (electrolytical metal deposition, development of physical-chemical mean for processes of chemical technology, etc.) As noted above, some information on this question is given in monography and articles. Data concerning fluoride salts are given in reports. However, it was impossible to make the substantial analysis of mutual solubility of fluoride melts. The primary investigation of CeF{sub 3} and neodymium, samarium and lanthanum fluorides showed that the solubility of the melt LiF-BeF{sub 2} and LiF-BeF{sub 2}-ThF{sub 4} was a linear function of reverse temperature and increases from lanthanum to samarium in the row of rare-earth elements. Disagreement in estimation of plutonium trifluoride solubility and incomplete data on the solubility of rare-earth elements prompted this study.

Physical Description

21 p.

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INIS; OSTI as DE97002586

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  • Other Information: PBD: Dec 1996

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  • Other: DE97002586
  • Report No.: LA-SUB--96-81
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/427009 | External Link
  • Office of Scientific & Technical Information Report Number: 427009
  • Archival Resource Key: ark:/67531/metadc685051

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  • December 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • March 2, 2016, 1:22 p.m.

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Naumov, V.S.; Bychkov, A.V. & Kormilitsyn, M.V. Measurement of solubility of plutonium trifluoride and rare-earth fluorides in molten LiF-BeF{sub 2}-ZrF{sub 4}, report, December 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc685051/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.