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Thermodynamics of soluble fission products cesium and iodine in the Molten Salt Reactor.

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Title: Thermodynamics of soluble fission products cesium and iodine in the Molten Salt Reactor.
Authors: Capelli, E.1,2 e.capelli@tudelft.nl, Beneš, O.3, Konings, R.J.M.1,3
Source: Journal of Nuclear Materials. Apr2018, Vol. 501, p238-252. 15p.
Subjects: Cesium metallurgy, Molten salt reactors, Fission products, Iodine, Thermodynamics
Abstract: The present study describes the full thermodynamic assessment of the Li,Cs,Th//F,I system. The existing database for the relevant fluoride salts considered as fuel for the Molten Salt Reactor (MSR) has been extended with two key fission products, cesium and iodine. A complete evaluation of all the common-ion binary and ternary sub-systems of the LiF-ThF 4 -CsF-LiI-ThI 4 -CsI system has been performed and the optimized parameters are presented in this work. New equilibrium data have been measured using Differential Scanning Calorimetry and were used to assess the reciprocal ternary systems and confirm the extrapolated phase diagrams. The developed database significantly contributes to the understanding of the behaviour of cesium and iodine in the MSR, which strongly depends on their concentration and chemical form. Cesium bonded with fluorine is well retained in the fuel mixture while in the form of CsI the solubility of these elements is very limited. Finally, the influence of CsI and CsF on the physico-chemical properties of the fuel mixture was calculated as function of composition. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Nuclear Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 128203371
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  Data: Thermodynamics of soluble fission products cesium and iodine in the Molten Salt Reactor.
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  Data: <searchLink fieldCode="AR" term="%22Capelli%2C+E%2E%22">Capelli, E.</searchLink><relatesTo>1,2</relatesTo><i> e.capelli@tudelft.nl</i><br /><searchLink fieldCode="AR" term="%22Beneš%2C+O%2E%22">Beneš, O.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Konings%2C+R%2EJ%2EM%2E%22">Konings, R.J.M.</searchLink><relatesTo>1,3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Nuclear+Materials%22">Journal of Nuclear Materials</searchLink>. Apr2018, Vol. 501, p238-252. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Cesium+metallurgy%22">Cesium metallurgy</searchLink><br /><searchLink fieldCode="DE" term="%22Molten+salt+reactors%22">Molten salt reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Fission+products%22">Fission products</searchLink><br /><searchLink fieldCode="DE" term="%22Iodine%22">Iodine</searchLink><br /><searchLink fieldCode="DE" term="%22Thermodynamics%22">Thermodynamics</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The present study describes the full thermodynamic assessment of the Li,Cs,Th//F,I system. The existing database for the relevant fluoride salts considered as fuel for the Molten Salt Reactor (MSR) has been extended with two key fission products, cesium and iodine. A complete evaluation of all the common-ion binary and ternary sub-systems of the LiF-ThF 4 -CsF-LiI-ThI 4 -CsI system has been performed and the optimized parameters are presented in this work. New equilibrium data have been measured using Differential Scanning Calorimetry and were used to assess the reciprocal ternary systems and confirm the extrapolated phase diagrams. The developed database significantly contributes to the understanding of the behaviour of cesium and iodine in the MSR, which strongly depends on their concentration and chemical form. Cesium bonded with fluorine is well retained in the fuel mixture while in the form of CsI the solubility of these elements is very limited. Finally, the influence of CsI and CsF on the physico-chemical properties of the fuel mixture was calculated as function of composition. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Nuclear Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.jnucmat.2018.01.024
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      – Code: eng
        Text: English
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        PageCount: 15
        StartPage: 238
    Subjects:
      – SubjectFull: Cesium metallurgy
        Type: general
      – SubjectFull: Molten salt reactors
        Type: general
      – SubjectFull: Fission products
        Type: general
      – SubjectFull: Iodine
        Type: general
      – SubjectFull: Thermodynamics
        Type: general
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      – TitleFull: Thermodynamics of soluble fission products cesium and iodine in the Molten Salt Reactor.
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              Text: Apr2018
              Type: published
              Y: 2018
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