publication . Article . 2019

Vaporization behaviour of the Molten Salt Fast Reactor fuel: The LiF-ThF4-UF4 system

R.J.M. Konings; Pavel Soucek; Lelio Luzzi; A. Tosolin; J.-Y. Colle; Ondřej Beneš;
Open Access English
  • Published: 27 Jun 2019
  • Country: Italy
Abstract
Abstract A selected composition of the initial fuel of the Molten Salt Fast Reactor (MSFR) is assessed by differential scanning calorimetry (DSC) for melting point determination and by Knudsen effusion mass spectrometry (KEMS) for vaporization behaviour. Partial vapour pressures and thermodynamic activities of the MSFR fuel mixture are discussed indicating departures from ideal behaviour, and further interpreted by phase equilibria calculations. The boiling point of the mixture is obtained extrapolating vapour pressure experimental results. New results on the vaporization behaviour of pure uranium tetrafluoride are presented, together with the ionization potenti...
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Subjects
free text keywords: Molten Salt Reactor, Knudsen effusion mass spectrometry, Vapour pressure, Actinide fluorides, Thermodynamic activities., Nuclear and High Energy Physics, General Materials Science, Nuclear Energy and Engineering, Knudsen effusion mass spectrometry, Vapour pressure, Actinide fluorides, Thermodynamic activities, Melting point, Analytical chemistry, Molten salt, Boiling point, Vapor pressure, Molten salt reactor, law.invention, law, Electron ionization, Materials science, Vaporization, Uranium tetrafluoride, chemistry.chemical_compound, chemistry
Related Organizations
Funded by
EC| SAMOFAR
Project
SAMOFAR
A Paradigm Shift in Reactor Safety with the Molten Salt Fast Reactor
  • Funder: European Commission (EC)
  • Project Code: 661891
  • Funding stream: H2020 | RIA
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