硅酸盐通报2018，Vol.37Issue(4)：1435-1440,6.
油酸钠体系下Fe3+与白云母的作用机理研究
Effecting Mechanism of Fe3 +on Muscovite in Sodium Oleate System
摘要
Abstract
A study has been taken on through flotation solution chemical,Zeta potential and XPS spectra etc to discuss Fe3+how to effect flotation behavior and effecting mechanism about muscovite in sodium oleate system.The result show that muscovite can be activated significantly when the amount of Fe 3+was 7.41×10-5mol/L and sodium oleate was 9.20×10-4mol/L in pH=6, then the muscovite recovery rate can reach about 86.40%.When pH ≤6 that Fe3+react with hydroxy of muscovite and generate containing electropositive ferric complexs,which react chemically with oleic acid in solution and produce hydrophobic iron oleate,as well as part oleic ions adsorb on muscovite surface by electrostatic adsorption, so it can significantly improve muscovite hydrophobic property.If 6<pH<12, Fe3+react with OH-in solution and generate Fe(OH)3which precipitate on muscovite surface and cause floatability down of muscovite.When pH ≥12,translating Fe(OH)3of muscovite surface into Fe(OH)-4which can soluble in wate and reducing the hydrophobicity of muscovite.关键词
白云母/油酸钠/Fe3+Key words
muscovite/sodium oleate/ferric iron分类
矿业与冶金引用本文复制引用
王宇斌,雷大士,张小波,文堪..油酸钠体系下Fe3+与白云母的作用机理研究[J].硅酸盐通报,2018,37(4):1435-1440,6.基金项目
陕西省教育厅基金(16JK1467) （16JK1467）
西安建筑科技大学人才基金(RC1472) （RC1472）
