Vanadium Extraction from Stone Coal by Microwave-Acid Leaching
Received:September 17, 2015   Revised:September 23, 2015   Accepted:September 24, 2015      Published Online:February 23, 2016
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DOI:10.3969/j.issn.1007-7545.2016.03.009
KeyWord:stone coal; microwave; acid leaching; vanadium extracting
           
AuthorInstitution
Li Yinli 西安建筑科技大学冶金工程学院;陕西省黄金与资源重点实验室
Song Yonghui 西安建筑科技大学冶金工程学院;陕西省黄金与资源重点实验室
Wang Kepeng 西安建筑科技大学冶金工程学院;陕西省黄金与资源重点实验室
Chen Xiangyang 西安建筑科技大学冶金工程学院;陕西省黄金与资源重点实验室
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Abstract:
      The effects of leaching time, vitriol concentration, ratio of liquid to solid (L/S) and microwave power on leaching rate of vanadium from stone coal were investigated. The results show that leaching rate of vanadium is 83.20% under the optimum conditions including leaching time of 60 min, mass concentration of sulfuric acid of 13%, L/S of 2︰1, and microwave power of 800 W.
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