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| Study on Solubility Characteristics of CaWO4 in NaCl-CaCl2 Molten Salt |
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Received:July 26, 2018
Revised:July 27, 2018
Accepted:July 30, 2018
Published Online:November 19, 2018
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| DOI:doi:10.3969/j.issn.1007-7545.2018.12.008 |
| KeyWord:NaCl-CaCl2 molten salt; CaWO4; solubility |
| Author | Institution |
| Fang Meng-zhao |
大冶有色金属有限责任公司 |
| Liao Chun-fa |
江西理工大学 |
| Wang Xu |
江西理工大学 |
| Wang Kun |
江西理工大学 |
| Jiao Yun-fen |
江西理工大学 |
| Li Wei |
大冶有色金属有限责任公司 |
| Ning Rui |
大冶有色金属有限责任公司 |
| Yu Shan |
大冶有色金属有限责任公司 |
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| Abstract: |
| Saturation dissolution time of CaWO4 in NaCl-CaCl2 molten salt system was investigated by isothermal-saturation method. Effects of temperature and mole ratio of molten salt on solubility of CaWO4 were studied under saturation dissolution time. Phase composition of cooled sample of saturated molten salt was analyzed by XRD. The results show that solubility of CaWO4 linearly rises with increase of temperature during 650~850 ℃, meanwhile, solution rate rises as well. Solubility of CaWO4 rises with increase of CaCl2 content in NaCl-CaCl2 molten salt. Dissolution of CaWO4 in NaCl-CaCl2 molten salt is of physical and chemical nature, mainly of physical one. |
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