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

页码：1103 / +

页数：2

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