典型文献
Synergistic depression mechanism of Ca2+ions and sodium silicate on bastnaesite flotation
文献摘要：
Bastnaesite is an important rare earth mineral and is usually beneficiated by flotation.Sodium silicate is commonly used to depress calcium-bearing gangue minerals,however it can also depress bastnaesite when Ca2+ions exist in the pulp.In this study,the effect of Ca2+ions and sodium silicate individually or in combination on bastnaesite flotation was studied through micro-flotation,zeta potential,fluorescence spectroscopy and X-ray photoelectron spectroscopy(XPS)measurements.Micro-flotation results show that the combination of Ca2+ions and sodium silicate depresses bastnaesite more severely due to their synergistic effect.Zeta potential results show that the combination renders the surface potential of bastnaesite negatively shifted more significantly.Fluorescence spectroscopy shows that the combination decreases the surface hydrophobicity of bastnaesite more severely.XPS shows that the combination increases the adsorption of sodium silicate on bastnaesite by forming hydrophilic Ca-SiO3 precipitate,which causes more serious depression on bastnaesite flotation.
文献关键词：
中图分类号：
作者姓名：
Zhao Cao;Zeyu Cheng;Jieliang Wang;Yongdan Cao
作者机构：
Institute of Mining Engineering,Inner Mongolia University of Science and Technology,Baotou 014010,China;State Key Laboratory of Mineral Processing,Beijing 100160,China;Inner Mongolia Key Laboratory of Mining Engineering,Baotou 014010,China
文献出处：
引用格式：
[1]Zhao Cao;Zeyu Cheng;Jieliang Wang;Yongdan Cao-.Synergistic depression mechanism of Ca2+ions and sodium silicate on bastnaesite flotation)[J].稀土学报（英文版）,2022(06):988-995
A类：
Ca2+ions,Bastnaesite,beneficiated,depress,depresses
B类：
Synergistic,depression,mechanism,sodium,silicate,bastnaesite,flotation,important,rare,earth,usually,by,Sodium,commonly,used,calcium,bearing,gangue,minerals,however,also,when,exist,pulp,In,this,study,effect,individually,combination,was,studied,through,micro,zeta,potential,fluorescence,spectroscopy,ray,photoelectron,XPS,measurements,Micro,results,that,more,severely,due,their,synergistic,Zeta,renders,surface,negatively,shifted,significantly,Fluorescence,shows,decreases,hydrophobicity,increases,adsorption,forming,hydrophilic,SiO3,precipitate,which,causes,serious
AB值：
0.447649
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