无机离子对某硅钙质磷矿双反浮选的影响  

The Effect of Inorganic Ions on Double-reverse Flotation Processing of a Silico-calcium Phosphorite

作　　者：赵辉[1,2,3] 刘志红[1,2,3] 孟亚鸽 韩正伟[1,2,3] 

机构地区：[1]贵州大学矿业学院,贵州贵阳550025 [2]喀斯特地区优势矿产资源高效利用国家地方联合工程实验室,贵州贵阳550025 [3]贵州省非金属矿产资源综合利用重点实验室,贵州贵阳550025

出　　处：《矿业研究与开发》2017年第4期5-8,共4页Mining Research and Development

基　　金：国家科技支撑计划项目(2013BAC15B01);贵州大学研究生创新基金(院研20160107)

摘　　要：以贵州某地硅钙质磷矿为研究对象,在双反浮选过程中添加Ca^(2+)、Mg^(2+)、SO_4^(2-)及PO_4^(3-)四种离子,通过精矿P_2O_5品位及回收率的变化研究其对该矿样双反浮选的影响。实验结果表明:Ca^(2+)及SO_4^(2-)对该矿样双反浮选的影响较大,Mg^(2+)及PO_4^(3-)对双反浮选的影响较小,Ca^(2+)对精矿P_2O_5的品位及回收率的影响显著,SO_4^(2-)对精矿P_2O_5回收率的影响显著,Mg^(2+)、PO_4^(3-)对该硅钙质磷矿双反浮选的影响不显著。Taking a silicon-calcium phosphoritein Guizhou as the research object, four kinds of ions including Ca2＋, Mg2＋, SO4 2- and PO4 3- , were added during the double-reverse flotation and their effects on the double-reverse flotation were studied through the changes of P2O5 concentrate grade and recovery rate. Experimental results showed that, Ca2＋ and SO4 2- ions had a greater influence on the double-reverse flotation of the mine sample, and the effects of Mg2＋ and PO43- ions were less. Ca2＋ i- ons influenced on the Pz Os concentrate grade and recovery rate significantly, and the effect of SO4 z-on the concentrate recover y rate was obious. Moreover, the effects of Mg2＋ and PO43-on the double-reverse flotation of silicon-calcium phosphorite were not significant.

关 键 词：磷矿离子 双反浮选 正交试验 

分 类 号：TD97[矿业工程—选矿]