Isobaric (vapour + liquid) equilibria of binary Pb-Sn and Sb-Sn system at 2Pa

  • Jingbao Gao Key Laboratory of Vacuum Metallurgy for Non-ferrous Metal of Yunnan Province, Kunming 650093, PR China
  • Junjie Xu Key Laboratory of Vacuum Metallurgy for Non-ferrous Metal of Yunnan Province, Kunming 650093, PR China
  • Bin Yang Key Laboratory of Vacuum Metallurgy for Non-ferrous Metal of Yunnan Province, Kunming 650093, PR China
  • Lingxin Kong National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology
  • Baoqiang Xu National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology
  • Yanjun You National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology
Keywords: phases, isobar, equilibrium, binary, alloys,

Abstract


In this paper , a new experimental method for determining vapor-liquid phase equilibrium of binary alloys was designed as show in Figure 1. The vapor liquid phase equilibrium data of Pb-Sn, Sb-Sn alloy was obtained by this scheme. The experimental data and calculated results were in good agreement with each other, which also passed the thermodynamic consistency test(Van Ness test), the y(MAD) was 0.4066 and 0.6667 respectively, which indicated that the new scheme is correct and reliable. The activity coefficient of Pb-Sn, Sb-Sn alloy were calculated by the molecular interaction volume model. The maximum average relative deviation Si and maximum average standard deviation Si* are ±1.24% and ±0.009, respectively. which proves that the calculation of the activity coefficient of the Pb-Sn and Sb-Sn alloy components by MIVM is reliable.

The VLE phase diagram offer an valid and intuitive way to analyze the product compositions dependence of temperature and pressure during the process of vacuum distillation. This will be of important guiding significance to the actual production of vacuum metallurgy.

Author Biographies

Jingbao Gao, Key Laboratory of Vacuum Metallurgy for Non-ferrous Metal of Yunnan Province, Kunming 650093, PR China

National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology

1

Junjie Xu, Key Laboratory of Vacuum Metallurgy for Non-ferrous Metal of Yunnan Province, Kunming 650093, PR China
2
Bin Yang, Key Laboratory of Vacuum Metallurgy for Non-ferrous Metal of Yunnan Province, Kunming 650093, PR China

National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology

3

Lingxin Kong, National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology

National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology

4

Baoqiang Xu, National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology

National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology

5

Yanjun You, National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology

National Engineering Laboratory of Vacuum Metallurgy, Kunming University of Science and Technology

6

References

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1. Gao J, Zhang K, Xu D, et al. Journal of Chemical & Engineering Data, 2017, 62 (7): 1948-1954. 2. Zhang L, Xu D, Gao J, et al. Journal of Chemical Thermodynamics, 2016, 102: 155-163. 3. F. Rivollet, A. Chapoy, C. Coquelet. Fluid Phase Equilibria, 2004 218: 95-101 4. Rogalski M., Rybakieuiez K., Malanowski S. Ber Bunsonges Phys Chem., 1997, 82: 1070-1073 5. Abbott M. Fluid Phase Equilibria, 1986, 29: 193-207. 6. Kong L Yang B, et al. Metall. Mater. Trans. B, 2012, vol. 43B, 1649-1656. 7. Xu J, Kong L, Xu B, et al. Metallurgical & Materials Transactions A, 2016, 47 (9):4494-4501. 8. Kong L, Xu J, Xu B, et al. Fluid Phase Equilibria, 2016, 415:176-183. 9. Zhang C, Jiang W L, Yang B, et al. Fluid Phase Equilibria, 2015, 405(15):68-72. 0. Yang H W, Zhang C, Yang B, et al. Vacuum, 2015, 119:179-184. 1. Darken L S. Journal of the American Chemical Society, 1950, 72(7):2909-2914. 2. Sacchetti M. Journal of Chemical Education, 2001, 78(2):260-263. 3. Grolier J P E, Río J M D. Journal of Solution Chemistry, 2015, 44(5):987-1003. 4. Li H, Xia S, Wu M, et al. Journal of Chemical Thermodynamics, 2015, 87:141-146. 5. Jackson P L, Wilsak R A. Fluid Phase Equilibria, 1995, 103(2):155-197. 6. Nan C B, Xiong H, Xu B, et al. Fluid Phase Equilibria, 2017, 442:62-67. 7. Nan C B, Yang H W, Yang B, et al. Vacuum, 2016, 135:109-114. 8. Tao D P. ThermochimicaActa, 2000, 363(1):105-113. 9. Kong L X, Yang B, Xu B Q, et al. Metallurgical & Materials Transactions A, 2015, 46(3):1205-1213. 20. Yang B, Kong L X, Bao-Qiang X U, et al. Transactions of Nonferrous Metals Society of China, 2015, 25(4):1315-1324. 21. Wang A, Li Y, Yang B, et al. Vacuum, 2014, 109(42):127-134. 22. R. Hultgren, P. D. Desai, D.T. Hawkins. Selected Values of the Thermodynamic Properties of Binary Alloys [M]. American Society of Metals, Metals Park, OH, 1973. 23. Tao D P. Metallurgical & Materials Transactions B, 2014, 45(1):142-149. 24. F.A. Abu Al-Rub, R. Datta, Chem. Eng. J. 81 (2001) 83-89. 25. Dai Yongnian. Nonferrous metal vacuum metallurgy [M]. Metallurgical Industry Press, 1998.(in Chinese)

Published
2018/10/17
How to Cite
Gao, J., Xu, J., Yang, B., Kong, L., Xu, B., & You, Y. (2018). Isobaric (vapour + liquid) equilibria of binary Pb-Sn and Sb-Sn system at 2Pa. Journal of Mining and Metallurgy, Section B: Metallurgy, 54(2), 243. Retrieved from https://aseestant.ceon.rs/index.php/jmm/article/view/16921
Issue
Vol. 54 No. 2 (2018)
Section
Original Scientific Paper

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