含钒石煤浮选精矿浸出工艺研究  

Study on Leaching Process of Flotation Concentrate of Vanadium-containing Carbonaceous Shale

作　　者：何东升[1] 李巧双 张建刚[2] 刘星[1] 邹建军[1] 秦芳[1] 

机构地区：[1]武汉工程大学资源与土木工程学院,湖北武汉430073 [2]长沙有色冶金设计研究院有限公司,湖南长沙410001

出　　处：《稀有金属与硬质合金》2016年第6期7-9,67,共4页Rare Metals and Cemented Carbides

基　　金：国家自然科学基金资助项目(51674179);湖北省自然科学基金资助项目(2014CFB794);武汉工程大学青年基金资助项目(Q201405)

摘　　要：以湖北某高钙镁云母型含钒石煤经预浮选获得的含钒石煤精矿为原料,进行了浸出实验研究。实验结果表明,在硫酸质量浓度为30%、液固比为4∶1、浸出温度为90℃、氟硅酸钠用量为16%、浸出时间为12h的条件下,可获得86.18%的高钒浸出率。Vanadium-containing carbonaceous shale concentrate was obtained by pre-flotation of Hubei high calcium and magnesium mica carbonaceous shale containing vanadium,and then the concentrate was used as raw material for leaching experiments.The results indicate that high vanadium leaching rate of 86.18%can be obtained under the following conditions：H2SO4concentration of 30%,liquid to solid ratio of 4∶1,leaching temperature of 90 ℃,sodium fluorosilicate dosage of 16% and leaching time of 12 h.

关 键 词：含钒石煤 浮选精矿 浸出 助浸剂 钒 

分 类 号：TF841.3[冶金工程—有色金属冶金]