Measurement of tritium permeation in flibe (2LiF•BeF2)

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This paper reports on the experimental investigation of tritium permeation in flibe (2LiF-BeF2) at the Safety and Tritium Applied Research facility of the Idaho National Laboratory. A stainless steel cell formed by two independent volumes separated by a 2mm thick nickel membrane is maintained at temperatures between 500 and 700 degrees Celsius. A controlled amount of T2 gas is flown in excess of argon in the source volume in contact with the bottom side of the nickel membrane, while a layer of molten salt is in contact with the top side. The tritium permeating above the liquid surface is carried ... continued below

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Calderoni, P.; Sharpe, P.; Hara, M. & Oya, Y. October 1, 2007.

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Description

This paper reports on the experimental investigation of tritium permeation in flibe (2LiF-BeF2) at the Safety and Tritium Applied Research facility of the Idaho National Laboratory. A stainless steel cell formed by two independent volumes separated by a 2mm thick nickel membrane is maintained at temperatures between 500 and 700 degrees Celsius. A controlled amount of T2 gas is flown in excess of argon in the source volume in contact with the bottom side of the nickel membrane, while a layer of molten salt is in contact with the top side. The tritium permeating above the liquid surface is carried by an argon flow to a diagnostic system comprised of a quadrupole mass spectrometer, a gas chromatographer and a proportional counter. Tritium permeability in flibe as a function of temperature is determined by the measured permeation flow rates reached in steady-state conditions, while the diffusivity is determined by fitting the transient process with the analytical solution for the diffusion process. As a result, the solubility of tritium in flibe as a function of temperature is also determined.

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  • ISNFT-8,Heildelberg, Germany,10/01/2007,10/05/2007

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  • Report No.: INL/CON-07-13267
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 920416
  • Archival Resource Key: ark:/67531/metadc897661

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  • October 1, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 7, 2016, 4:25 p.m.

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Calderoni, P.; Sharpe, P.; Hara, M. & Oya, Y. Measurement of tritium permeation in flibe (2LiF•BeF2), article, October 1, 2007; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc897661/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.