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| Study on preparation of V2O5 from vanadium-rich liquid |
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Received:March 23, 2023
Revised:April 09, 2023
Accepted:April 13, 2023
Published Online:June 25, 2023
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| DOI： |
| KeyWord:vanadium extraction;v2o5;solvent extraction;vanadium precipitation with ammonium salt;cynuric triamide |
| Author | Institution |
| rongyiyang |
Kunming University of Science and Technology |
| yeguohua |
Kunming University of Science and Technology |
| 亢选雄 |
Kunming University of Science and Technology |
| zhusiqin |
昆明理工大学 |
| liangxueyin |
Kunming University of Science and Technology |
| xiangxinyue |
Kunming University of Science and Technology |
| zhangyun |
Kunming University of Science and Technology |
| songchangxu |
Kunming University of Science and Technology |
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| Abstract: |
| The research progress of preparing vanadium pentoxide from vanadium-rich liquid was reviewed, and the efficiency and environmental protection of vanadium precipitation process were analyzed. Firstly, the influence and characteristics of conventional vanadium precipitation methods are described. Among , ammonium salt precipitation is a commonly used method in industry. The acid ammonium salt vanadium precipitation process is short and the vanadium precipitation rate is high. The weak alkaline ammonium salt vanadium precipitation can be operated at room temperature and the acid consumption is small. Secondly, two new vanadium precipitation methods-cascade cation exchange method and melamine precipitation method are listed. These two new vanadium precipitation processes make up for the shortcomings of the conventional vanadium precipitation process in vanadium precipitation, but there is still a way to go from industrial application. Finally, combined with these two new vanadium precipitation methods, it is shown that in the future, the mechanism of vanadium precipitation and the influence of impurities on vanadium precipitation can be studied in depth, so that the vanadium precipitation process can produce high purity vanadium pentoxide from high concentration vanadium solution cleanly and high purity. |
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