Abstract
The viscosities of 16 compositions of the potassium chloraluminate systems containing 3.8–57.2 mol % ZrCl4 and 5.4–30.2 mol % HfCl4 were determined in the temperature range 563–663 K. Their temperature dependences are presented. The binary chloraluminate mixtures containing HfCl4 additives have the highest viscosity, and the binary mixtures with ZrCl4 have the lowest viscosity. The viscosity of the three-component system has an intermediate value. The results can be used for the separation of zirconium and hafnium tetrachlorides.
Similar content being viewed by others
REFERENCES
L. Moulin, P. Thouvenin, and P. Brun, “New process for zirconium and hafnium separation,” in Proceedings of the 6th International Symposium on Zirconium Nucl. Ind. (1984), pp. 37–44.
R. L. Skaggs, D. T. Rogers, and D. B. Hunter, “Review of anhydrous zirconium–hafnium separation techniques,” Int. Circ. Bur. Mines. US Dep. Int., No. 8963, 25 (1984).
R. P. Tangri, D. K. Bose, and K. K. Kupta, “Vapor pressure of ZrCl4 and HfCl4 over melt systems KCl + AlCl3 (1 : 1.04 mol) + ZrCl4 and KCl + AlCl3 (1 : 1.04 mol) + HfCl4,” J. Chem. Eng. Data 40 (4), 823–827 (1995).
L. A. Nissel’son, V. I. Stolyarov, and T. D. Sokolova, “Some properties of liquid zirconium nitrochloride,” Zh. Fiz. Khim. 39 (2), 3025–3032 (1965).
L. A. Nissel’son, T. D. Sokolova, and V. I. Stolyarov, “Some properties of liquid and vaporous hafnium tetrachloride,” Zh. Fiz. Khim. 41 (7), 1654–1658 (1967).
L. A. Nissel’son and K. V. Tret’yakov, “Efflux viscometer for operation over a wide temperature and pressure range,” Zh. Fiz. Khim. 43 (8), 2172–2173 (1969).
L. A. Nissel’son and T. D. Sokolova, “Density, viscosity, and surface tension of aluminum and gallium trichlorides,” Zh. Neorg. Khim. 10 (7), 1516–1519 (1965).
K. I. Trifonov and V. I. Medvedev, “Volume properties of KAlCl4–ZrCl4–HfCl4 salt melts,” Rasplavy, No. 2, 91–94 (2005).
A. B. Salyulev, E. G. Vovkotrub, and V. N. Strekalovskii, “Interaction of zirconium and hafnium tetrachlorides with cesium, rubidium, and potassium chlorides and the Raman spectra of reaction products,” Rasplavy, No. 3, 45–49 (2008).
M. V. Smirnov, V. P. Stepanov, and V. A. Khokhlov, “Ionic structure and physicochemical properties of halide melts,” Rasplavy, No. 1, 64–75 (1987).
Author information
Authors and Affiliations
Corresponding author
Additional information
Translated by K. Shakhlevich
Rights and permissions
About this article
Cite this article
Trifonov, K.I., Larionov, A.S., Krotov, V.E. et al. Viscosities of the KAlCl4–ZrCl4–HfCl4 Salt Melts. Russ. Metall. 2021, 954–956 (2021). https://doi.org/10.1134/S0036029521080188
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S0036029521080188