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THERMODYNAMICS OF COMPUTERIZED SIMULATION OF MOLTEN LIF-KF SOLUTION BY MONTE CARLO METHOD |
XU Chi;JIANG Naixiong;CHEN Nianyi Shanghai Institute of Metallurgy; Academia sinica |
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Cite this article:
XU Chi;JIANG Naixiong;CHEN Nianyi Shanghai Institute of Metallurgy; Academia sinica. THERMODYNAMICS OF COMPUTERIZED SIMULATION OF MOLTEN LIF-KF SOLUTION BY MONTE CARLO METHOD. Acta Metall Sin, 1991, 27(5): 144-147.
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Abstract The structure and behaviour of LiF-KF solution, as atypical common-anion system, has been simulated by Monte Carlo method. The calculation of partial radial distribution function of ions, heat of mixing and potential energy distribution shows that the average distance between Li~+ and F~- ions will significantly narrow after molten LiF and KF mix up. This is very similar to the lean-on-one-side effect in moten LiF-KCl solution. The calcu1ated heat of mixing is in fair agreement with the measured one. The dominant source of the energy of mixing may be that the decrease of the repulsion energy between cations, the decrease of the attraction energy between cations and anions, and the decrease of the repulsion energy between anions.
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Received: 18 May 1991
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