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| Viscosity Properties of CaCl2-CaF2-CaO Molten Salt |
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Received:August 02, 2019
Revised:August 06, 2019
Accepted:August 08, 2019
Published Online:November 18, 2019
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| DOI：doi：10.3969/j.issn.1007-7545.2019.12.011 |
| KeyWord:CaCl2 molten salt; viscosity; temperature; ingredient；calciothermic reactions |
| Author | Institution |
| GAO Jinqiang |
中南大学 冶金与环境学院 |
| KANG Le |
中核四0四有限公司 |
| WANG Fei |
中核四0四有限公司 |
| CHEN Wenmi |
中南大学 冶金与环境学院 |
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| Abstract: |
| When titanium, zirconium, cerium and other rare metals were directly extracted by calciothermic reactions, rise of molten salt viscosity often led to difficulties in stirring, energy consumption and slow reaction. In order to find out the factors affecting viscosity of CaCl2 molten salt, viscosity of different compositions of molten salt in temperature range from 1 073 K to 1 373 K was measured. According to experimental results, viscosity-temperature curves of four molten salt systems of CaCl2, CaCl2-CaF2, CaCl2-CaO, and CaCl2-CaF2-CaO were drawn. The results show that viscosity value is mostly 2.0~10.0 mPa?s within test temperature range, viscosity of four molten salt systems rises with decreasing of temperature. Viscosity of molten salt drops with addition of CaF2 and rises with addition of CaO. |
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