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| Effect of Particle Size of Stone Coal Ore on Vanadium Extraction |
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Received:May 13, 2013
Revised:May 14, 2013
Accepted:May 15, 2013
Published Online:November 20, 2013
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| DOI：10.3969/j.issn.1007-7545.2013.12.010 |
| KeyWord:stone coal; vanadium; grain size; leaching |
| Author | Institution |
| Liu Juan |
武汉科技大学资源与环境工程学院 |
| Zhang Yimin |
武汉科技大学资源与环境工程学院 |
| Liu Tao |
武汉科技大学资源与环境工程学院 |
| Huang Jing |
武汉科技大学资源与环境工程学院 |
| Zhao Jie |
武汉科技大学资源与环境工程学院 |
| Wang Fei |
武汉科技大学资源与环境工程学院 |
| Wang Yi |
武汉科技大学资源与环境工程学院 |
| Zhang Guobin |
武汉科技大学资源与环境工程学院 |
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| Abstract: |
| The mineral properties of stone coal with different grain sizes and its effects on vanadium extraction were studied. The results show that CaO content in ore and viscosity of leaching slurry increase gradually with decrease of particle size. The vanadium leaching rate first rises and then drops with decrease of particle size from 0.300 mm to -0.038 5 mm. The maximum leaching rate is 93.04% when particle is -0.074 0.045 mm, furthermore, the vanadium leaching rate begins to drop with particle size of -0.045 mm. The optimum particle size range is -0.3 0.045 mm under this experimental condition. |
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