Application of fluorinated ionic liquids in the extraction of aluminum

被引：0
|
作者：
Zhang, MM [1 ]
Kamavaram, V [1 ]
Reddy, RG [1 ]
机构：
[1] Univ Alabama, Dept Met & Mat Engn, Ctr Green Mfg, Tuscaloosa, AL 35487 USA
来源：
LIGHT METALS 2004 | 2004年
关键词：
ionic liquids; aluminum; extraction; solubility;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Traditional electrolysis processes for the production of aluminum have severe environmental problems and are extremely energy intensive. High temperature electrolysis (950-970degreesC) inevitably has high production costs and pollutants emission. The fluorinated ionic liquids are promising electrolytes at or near room temperature and have unique properties. In this paper, the physical, chemical and thermodynamic properties of ionic liquids containing Tf(2)N and PF(6) anions are investigated. As representative fluorinated ionic liquids, C(4)mimTf(2)N, C(6)mimPF(6) and C(8)mimPF(6) are discussed in detail with regard to their thermal stability, thermodynamic properties and solvating ability. The result shows C(4)mimTf(2)N, C(6)mimPF(6) and C(8)mimPF(6) are thermodynamically stable and suitable for further study for application in aluminum extraction industry.
引用
收藏
页码：315 / 319
页数：5
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