Vapor–liquid phase equilibrium diagram for uranium hexafluoride (UF6) using simplified temperature dependent intermolecular potential parameters (TDIP)

The properties of uranium hexafluoride (UF 6 , CAS: 7783-81-5) are of importance to the nuclear industry as a precursor for the enrichment and product spent fuel reprocessing. This work is focused on obtaining the vapor–liquid equilibrium (VLE) curve for UF 6 using temperature dependent intermolecul...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2016-10, Vol.310 (1), p.139-154
Main Authors: Al-Matar, Ali Khalaf, Binous, Housam
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Liquid phases
Liquid-vapor equilibrium
Nuclear Chemistry
Nuclear fuel reprocessing
Nuclear Physics
Parameters
Phase diagrams
Phase equilibria
Physical Chemistry
Reprocessing
Spent nuclear fuels
Temperature dependence
Uranium
Uranium hexafluoride
Vapor pressure
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Summary:The properties of uranium hexafluoride (UF 6 , CAS: 7783-81-5) are of importance to the nuclear industry as a precursor for the enrichment and product spent fuel reprocessing. This work is focused on obtaining the vapor–liquid equilibrium (VLE) curve for UF 6 using temperature dependent intermolecular potential parameters (TDIP) as opposed to temperature independent intermolecular potential parameters (TIIP). TDIP indeed improves the simulated vapor–liquid coexistence curve, critical constants, and vapor pressure of UF 6 . However, both approaches need improvement since the predictions are still far from reproducing experimental saturated liquid density data for UF 6 .
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-016-4814-5