Solvent impregnated resin prepared using task-specific ionic liquids for rare earth separation

稀土学报(英文版), 2009, 27(6): 932-936. doi: 10.1016/S1002-0721(08)60365-8

^1, , ^2, , ^3, , ^4,

1.State Key Laboratory of Rare Earth Resource Utilization,Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China

2.State Key Laboratory of Rare Earth Resource Utilization,Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China;College of Chemistry,Jilin University,Changchun 130061,China

3.State Key Laboratory of Rare Earth Resource Utilization,Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China

4.College of Chemistry,Jilin University,Changchun 130061,China

基金项目: 国家重点科技研究发展项目(2006BAC02A10) 'Hundreds Talents Program' from Chinese Academy of Sciences,National Natural Science Foundation of China(50574080;20901073) Distinguished Young Scholar Foundation of JiJin Province(20060114)

Solvent impregnated resin prepared using task-specific ionic liquids for rare earth separation

SUN Xiaoqi ^1, , JI Yang ^2, , CHEN Ji ^3, , MA Jiutong ^4,

1.State Key Laboratory of Rare Earth Resource Utilization,Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China

2.State Key Laboratory of Rare Earth Resource Utilization,Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China;College of Chemistry,Jilin University,Changchun 130061,China

3.State Key Laboratory of Rare Earth Resource Utilization,Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China

4.College of Chemistry,Jilin University,Changchun 130061,China

Keywords： task-specific ionic liquid

A novel bifunctional task-specific ionic liquid (TSIL), i.e. [trialkylmethylammonium][sec-nonylphenoxy acetate] ([A336] [CA-100]) was impregnated on intermediate polarized XAD-7 resin, and the prepared solvent impreganated resin (SIR) was studied for rare earth (RE) separation. Adsorption ability of the SIR was indicated to be obviously higher than that prepared by [A336][NO_3] because of the functional anion of [A336][CA-100]. Adsorption kinetics, adsorption isotherm,separation and desorption of the SIR were also studied.

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