A prediction of the excess partial molar free energies of MgCl2 in the KCl-MgCl2-LiCl molten salt system containing MgCl2 below 0.5 from thermodynamic properties of binary systems

J Mater Sci Technol ›› 2000, Vol. 16 ›› Issue (01): 85-87.

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A prediction of the excess partial molar free energies of MgCl2 in the KCl-MgCl2-LiCl molten salt system containing MgCl2 below 0.5 from thermodynamic properties of binary systems

Quanru ZHANG, Yuangao LI, Zheng FANG

Department of Chemistry, Central South University of Technology, Changsha 410083, China

Received:1999-03-08 Revised:1999-05-13 Online:2000-01-28 Published:2009-10-10
Contact: Quanru ZHANG

Abstract

Abstract: The thermodynamical properties of MgCl2 in KCl-MgCl2-LiCl molten electrolytes containing MgCl2 below 0.5 (mole fraction, the same below) have been determined from the interchange energies of two binary systems KCl-MgCl2 and LiCl-MgCl2, by means of a model on the assumptions that the electrolytes in the solution are treated as independent particles instead of their ion forms and the interchange energy between the component pair KCl-LiCl is ignored when compared with those of component pairs KCl-MgCl2 and MgCl2-LiCl. The interchange energies, omega(KCl-MgCl2) and omega(MgCl2-LiCl) are obtained as -70000 and -13800 J.mol(-1), from the corresponding binary solutions, respectively.

Key words:

Quanru ZHANG, Yuangao LI, Zheng FANG. A prediction of the excess partial molar free energies of MgCl2 in the KCl-MgCl2-LiCl molten salt system containing MgCl2 below 0.5 from thermodynamic properties of binary systems[J]. J Mater Sci Technol, 2000, 16(01): 85-87.

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A prediction of the excess partial molar free energies of MgCl2 in the KCl-MgCl2-LiCl molten salt system containing MgCl2 below 0.5 from thermodynamic properties of binary systems

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