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| Study on Viscosity and Conductivity of ChCl-urea-V2O5 Solution |
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Received:November 23, 2020
Revised:December 15, 2020
Accepted:December 15, 2020
Published Online:March 24, 2021
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| DOI：doi：10.3969/j.issn.1007-7545.2021.04.009 |
| KeyWord:ChCl-urea; V2O5; viscosity; conductivity; temperature |
| Author | Institution |
| RU Juan-jian |
攀钢集团研究院有限公司 钒钛资源综合利用国家重点实验室 |
| HU Xiao-yun |
昆明理工大学冶金与能源工程学院 |
| ZHAO Shi-yu |
昆明理工大学冶金与能源工程学院 |
| BU Jiao-jiao |
昆明理工大学冶金与能源工程学院 |
| WANG Dao-xiang |
昆明理工大学冶金与能源工程学院 |
| WANG Ding |
昆明理工大学冶金与能源工程学院 |
| FU Zi-bi |
攀钢集团研究院有限公司 钒钛资源综合利用国家重点实验室 |
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| Abstract: |
| Choline chloride-urea (ChCl-urea) eutectic solvents can dissolve certain metal oxides, which provide a new way to prepare elemental metals by electrochemical reduction of metal oxides. Viscosity and conductivity of ChCl-urea eutectic solvents under different temperature and concentration of V2O5 are systematically measured. The results show that viscosity of ChCl-urea-V2O5 solution drops with increase of temperature, and rises with increase of concentration of V2O5. Conductivity rises with increase of temperature, and concentration of V2O5 has certain influence on conductivity of solution, but variation range is small. Choosing a higher reaction temperature and an appropriate concentration of V2O5 is conducive to subsequent reduction of V5+ ions and extraction of vanadium. |
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