Selective Separation and Recovery of Pt(IV) from Pd(II) through an Imidazolium-ionic-liquid-based Supported Liquid Membrane

被引：13
|
作者：
Yoshida, Wataru [1 ]
Kubota, Fukiko [1 ]
Kono, Riho [1 ]
Goto, Masahiro [1 ,2 ]
机构：
[1] Kyushu Univ, Grad Sch Engn, Dept Appl Chem, 744 Motooka, Fukuoka, Fukuoka 8190395, Japan
[2] Kyushu Univ, Ctr Future Chem, 744 Motooka, Fukuoka, Fukuoka 8190395, Japan
来源：
ANALYTICAL SCIENCES | 2019年 / 35卷 / 03期
关键词：
Supported liquid membrane (SLM); separation; platinum; imidazolium ionic liquid; PLATINUM-GROUP METALS; SOLVENT-EXTRACTION; TRANSPORT; PALLADIUM(II); BEHAVIOR;
D O I：
10.2116/analsci.18N020
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A supported liquid membrane (SLM) system for the selective separation of platinum(IV) from palladium(II) has been developed. The SLM was prepared using imidazolium-based IL 1-octy-3-methylimidazolium bis(trifluoromethanesulfonyl)imide. The initial flux and separation factor of Pt(IV) from Pd(II) were found to significantly depend on the composition of the receiving solution. Based on the performance, a 0.1 mol dm(-3) NaClO4 solution was selected as a suitable receiving solution. Membrane transport experiments showed that 93% of Pt(IV) can be selectively transported into the receiving solution, whereas most Pd(II) remains in the feed solution.
引用
收藏
页码：343 / 346
页数：4
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