(510g) Vapor–Liquid Phase Equilibrium Diagram for Uranium Hexafluoride (UF6) Using Simplified Temperature Dependent Intermolecular Potential Parameters (TDIP)
AIChE Annual Meeting
2017
2017 Annual Meeting
Nuclear Engineering Division - See also ICE
Theory, Modeling and Simulation of Nuclear Chemical Processes
Wednesday, November 1, 2017 - 10:12am to 10:34am
The properties of uranium hexafluoride (UF6, 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 UF6 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 UF6. However, both approaches need improvement
since the predictions are still far from reproducing experimental saturated liquid density data for UF6.
a precursor for the enrichment and product spent fuel reprocessing. This work is focused on obtaining the vapor–
liquid equilibrium (VLE) curve for UF6 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 UF6. However, both approaches need improvement
since the predictions are still far from reproducing experimental saturated liquid density data for UF6.
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