Literature DB >> 26282975

Homogeneous Liquid-Liquid Extraction of Metal Ions with a Functionalized Ionic Liquid.

Tom Vander Hoogerstraete1, Bieke Onghena1, Koen Binnemans1.   

Abstract

Binary mixtures of the ionic liquid betainium bis(trifluoromethylsulfonyl)imide and water show an upper critical solution temperature. This solvent system has been used to extract metal ions by phase-transition extraction, using zwitterionic betaine as extractant. The system is efficient for the extraction of trivalent rare-earth, indium and gallium ions. This new type of metal extraction system avoids problems associated with the use of viscous ionic liquids, namely, the difficulty of intense mixing of the aqueous and ionic liquid phases by stirring.

Entities:  

Keywords:  gallium; indium; ionic liquids; phase transitions; rare earths; solvent extraction; thermomorphic behavior

Year:  2013        PMID： 26282975     DOI： 10.1021/jz4005366

Source DB:  PubMed          Journal:  J Phys Chem Lett        ISSN： 1948-7185            Impact factor:   6.475


  11 in total

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8.  Homogeneous liquid-liquid extraction of rare earths with the betaine-betainium bis(trifluoromethylsulfonyl)imide ionic liquid system.

Authors:  Tom Vander Hoogerstraete; Bieke Onghena; Koen Binnemans
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Review 9.  Application of ionic liquids in hydrometallurgy.

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10.  Thermoreversible (Ionic-Liquid-Based) Aqueous Biphasic Systems.

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