A Triple Salting-Out Effect is Required for the Formation of Ionic-Liquid-Based Aqueous Multiphase Systems

被引：16
|
作者：
Passos, Helena [1 ]
Costa, Sara H. [1 ]
Fernandes, Ana M. [2 ]
Freire, Mara G. [1 ]
Rogers, Robin D. [3 ,4 ]
Coutinho, Joao A. P. [1 ]
机构：
[1] Univ Aveiro, Dept Chem, CICECO Aveiro Inst Mat, P-3810193 Aveiro, Portugal
[2] Univ Aveiro, Dept Chem, QOPNA Unit, P-3810193 Aveiro, Portugal
[3] McGill Univ, Dept Chem, Otto Maass Chem Bldg,801 Sherbrooke St West, Montreal, PQ H3A 0B8, Canada
[4] 525 Solut Inc, POB 2206, Tuscaloosa, AL 35403 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2017年 / 56卷 / 47期
基金：
欧洲研究理事会;
关键词：
aqueous multiphase systems; dyes; ionic liquids; salting-out effect; separations; 3-LIQUID-PHASE EXTRACTION SYSTEMS; BIPHASIC SYSTEMS; 2-PHASE SYSTEMS; METHYLENE-BLUE; SEPARATION; REMOVAL; WATER; DYES;
D O I：
10.1002/anie.201705704
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Novel aqueous multiphase systems (MuPSs) formed by quaternary mixtures composed of cholinium-based ionic liquids (ILs), polymers, inorganic salts, and water are reported herein. The influence of several ILs, polymers, and salts was studied, demonstrating that a triple salting-out is a required phenomenon to prepare MuPSs. The respective phase diagrams and tie-surfaces were determined, followed by the evaluation of the effect of temperature. Finally, the remarkable ability of IL-based MuPSs to selectively separate mixtures of textile dyes is shown.
引用
收藏
页码：15058 / 15062
页数：5
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