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| Study on Microwave Enhanced Acid Leaching of Vanadium from Stone Coal |
| Received:March 09, 2015 Revised:March 10, 2015 |
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| DOI：doi：10.3969/j.issn.1007-7545.2015.10.014 |
| KeyWord:stone coal; microwave; leaching; vanadium extraction |
| Author | Institution |
| WANG Jing-peng |
武汉科技大学资源与环境工程学院 |
| ZHANG Yi-min |
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 |
| YUAN Yi-zhong |
武汉科技大学资源与环境工程学院 |
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| Abstract: |
| The effects of microwave heating and conventional heating on vanadium leaching rate from vanadium-bearing stone coal were investigated based on blank roasting-acid leaching of vanadium. The results show that microwave irradiation leaching rate of V2O5 is 88.2%, approximately 9 percentage points higher than that of conventional heating, under the conditions including leaching temperature of 98 ℃, particle size of -0.074 mm of 75%, volume fraction of sulfuric acid of 20%, leaching time of 90 min, and ratio of liquid to solid of 1.5︰1 (mL/g). |
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