Extraction Behavior of Mercury(II) and Cadmium(II) in Ion Liquid Extraction System Using 1-Butyl-3-methyl-imidazolium Hexafluorophosphate and 8-Hydroxyl-Quinoline

被引：6
|
作者：
Pan, Zhongwei [2 ]
Ma, Chang [1 ]
Zhou, Hailong [2 ]
Lian, Ting [2 ]
Lai, Chuanye [2 ]
Li, Cheng [2 ]
机构：
[1] Qinghai Normal Univ, Dept Chem, Xining, Qinghai, Peoples R China
[2] Quanzhou Normal Univ, Sch Chem & Biol Sci, Quanzhou, Fujian, Peoples R China
来源：
MATERIALS AND COMPUTATIONAL MECHANICS, PTS 1-3 | 2012年 / 117-119卷
关键词：
Ionic liquid; 8-Hydroxyl-quinoline; Hg2+; Cd2+; Extraction; SOLVENT-EXTRACTION;
D O I：
10.4028/www.scientific.net/AMM.117-119.1103
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The extraction behavior of metal ions (Hg2+ and Cd2+, M2+) was investigated in ionic liquid (IL) extraction system using 1-butyl-3-methyl- imidazolium hexafluorophosphate ionic liquid ([Bmim]PF6) as extraction solvent and 8-hydroxyl-quinoline (HQ) as extractant. The extraction percentage of M2+ using [Bmim]PF6 was less than 5% without HQ. When sufficient HQ was included in IL phase, the extraction percentage of M2+ could be higher than 98%. The extracted species in the M2+-[Bmim]PF6-HQ system was neutral MQ(2) and the recovery of M2+ extracted into [Bmim]PF6 can be achieved using 0.25 mol.L-1 HNO3 as stripping agent. [Bmim]PF6 can be recycled in the experiment.
引用
收藏
页码：1103 / +
页数：2
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