Thermodynamic investigation of the (LiF + NaF + CaF2 + LaF3) system

被引：24
|
作者：
Beilmann, M. [1 ,2 ]
Benes, O. [1 ]
Konings, R. J. M. [1 ]
Fanghaenel, Th [1 ,2 ]
机构：
[1] European Commiss, Joint Res Ctr, Inst Transuranium Elements, D-76125 Karlsruhe, Germany
[2] Univ Heidelberg, Phys Chem Inst, D-69120 Heidelberg, Germany
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2011年 / 43卷 / 10期
关键词：
Molten salts; Phase diagram; Differential scanning calorimetry; Thermodynamics; QUASI-CHEMICAL MODEL; PHASE RELATIONS; SYSTEMS; FLUORIDE; MIXTURES; DIAGRAMS; CAF2-LIF; NAF; LIF; CS;
D O I：
10.1016/j.jct.2011.05.002
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this work a thermodynamic assessment of the (LiF + NaF + CaF2 + LaF3) system is reported. For the thermodynamic modeling of the liquid phase, the classical polynomial model, and the modified quasichemical model were used in parallel and compared. The extrapolation to higher order systems was done according to the Toop mathematical formalism. Furthermore, differential-scanning calorimetry data of the ternary (LiF + CaF2 + LaF3), (NaF + CaF2 + LaF3), and the quaternary (LiF + NaF + CaF2 + LaF3) mixtures are presented. Good agreement between the experimental data and the thermodynamic assessment was obtained. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1515 / 1524
页数：10
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