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现代矿业 ›› 2011, Vol. 27 ›› Issue (1): 43-45.

• 采选工程 • 上一篇    下一篇

鄂西高磷赤铁矿絮凝效果及性能研究

段正义1,2,强敏1,2,董怡斌1,2,王玉珏1,2,陈康1,2   

  1. 1.武汉科技大学化学工程与技术学院;2.冶金矿产资源高效利用与造块湖北省重点试验室
  • 出版日期:2011-01-21 发布日期:2011-01-21

Research on Flocculation Effect and Property of High Phosphorus Hematite in West of Hubei Province

Duan Zhengyi1,2,Qiang Min1,2,Dong Yibin1,2,Wang Yujue1,2,Chen Kang1,2   

  1. 1. College of Chemical Engineering and Technology,Wuhan University of Science and Technology;2. Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources
  • Online:2011-01-21 Published:2011-01-21

摘要: 介绍了经过改性的常用絮凝剂在鄂西高磷赤铁矿选矿试验中的应用情况,确定了适合该高磷赤铁矿选矿的絮凝剂种类、最佳用量和最佳pH值等条件。絮凝过程中絮凝剂选择性地吸附了带负电的矿物粒子,有效降低了粗精矿的磷含量,为进一步通过反浮选提高精矿铁品位创造了条件。试验结果表明改性聚丙烯酰胺絮凝能力较强、选择性较好,是一种优良的赤铁矿絮凝剂。

关键词: 絮凝剂, 鲕状赤铁矿, 选择性, 捕收剂, 微细颗粒

Abstract: Application situation of normal flocculant which pass through modification in beneficiation test of high phosphorus hematite in west of Hubei is introduced, conditions like type, optimum dosage and optimum pH value of flocculant suit to the beneficiation of this high phosphorus hematite are confirmed. Flocculant adsorbs mineral particle with negative electrification selectively in flocculation process, reduces the phosphorus content of rough concentrate effectively, provides conditions for further enhance iron grade of concentrate through reverse flotation. Test result shows the flocculation ability of modified polyacrylamide is strong and has good selectivity, is a sort of good flocculant of hematite.

Key words: Flocculant, Oolitic hematite, Selectivity, Collector, Fine particles