Preliminary Study on the Grinding of a low-grade and high-Si bauxite in Guizhou province

摘要：

　　This paper describes the grinding experiments of a low-grade and high-Si bauxite in Guizhou,China.Based on the QEMSCAN process mineralogy, and according to the laboratory conditions test, the laboratory grinding time of 6min, conditions of filling rate of 38%, grinding concentration of 70%, precision ball diameter: Ф30mm:Ф25mm:Ф18mm=25%∶45%∶30%, SCS grinding agent, stage-grinding were obtained.Under the above conditions, the trend of polarization with particle fractions of bauxite grinding product is improvedand also has a noticeable effect of selective grindingthe particular interval of-0.02 l mm.The characteristics of particle size and aluminium mineral distribution of the grinding product are improved.

关键词： high silicon bauxite process mineralogy qemscan grinding optimization selective grinding

作者: Shasha Li Xi Liu Sumin Li Huaxia Li Qiuyun Hu

作者单位: Zhengzhou Research Institute of Chalco, Zhengzhou, 450041, China

会议类型: 国际会议

会议名称: 32th International Conference & Exhibition ICSOBA-2014(第32届国际铝土矿、氧化铝和铝工业技术学术年会)

会议地点: 郑州

会议语种:英文

页码: 125-136

在线出版日期: 2014-10-12（万方平台首次上网日期，不代表论文的发表时间）