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金属矿山 ›› 2012, Vol. 41 ›› Issue (06): 61-63.

• 矿物工程 • 上一篇    下一篇

油酸钠体系中微细粒赤铁矿的浮选行为

陶洪1,2,张芹1,2,王飞1,2,左倩1,2   

  1. 1.武汉科技大学资源与环境工程学院;2.冶金矿产资源高效利用与造块湖北省重点实验室
  • 出版日期:2012-06-15 发布日期:2012-06-29
  • 基金资助:

    * 国家自然科学基金面上项目(编号:50974099)。

Flotation Behavior of Ultrafine Hematite in Sodium Oleate Flotation System

Tao Hong1,2,Zhang Qin1,2,Wang Fei1,2,Zuo Qian1,2   

  1. 1.College of Resources and Environmental Engineering,Wuhan University of Science and Technology;2.Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources
  • Online:2012-06-15 Published:2012-06-29

摘要: 通过单矿物浮选试验,研究了油酸钠体系中微细粒赤铁矿的浮选行为,并考察了六偏磷酸钠、硅酸钠、焦磷酸钠、淀粉、腐植酸钠这5种抑制剂对微细粒赤铁矿可浮性的影响。结果表明:在油酸钠浓度为4×10-4 mol/L、pH=10时,微细粒赤铁矿的浮选效果最佳。5种抑制剂对微细粒赤铁矿均表现出明显的抑制作用,它们抑制能力的强弱排序为淀粉>腐植酸钠>焦磷酸钠>六偏磷酸钠>硅酸钠。

关键词: 微细粒赤铁矿, 浮选, 油酸钠, pH, 抑制剂

Abstract: Flotation behavior of ultrafine hematite and the effect of five types of depressors(sodium hexametaphosphate, sodium silicate, sodium pyro-phosphate, starch, sodium humate)on ultrafine hematite recovery in NaOl flotation system were researched. The results show that ultrafine hematite reaches to good floatability when the concentration of sodium oleate is 4×10-4 mol/L and pH value is 10. The five types of depressors all have obvious depression on ultrafine hematite flotation, organic depressors have a better depression effect than inorganic depressors, and the depression effects of the five depressors are in the order of starch>sodium humate>sodium pyro-phosphate>sodium hexametaphosphate>sodium silicate.

Key words: Ultrafine hematite, Flotation, Sodium oleate, pH, Depressor