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Ionic Liquids for Metal Ion Separation

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Book cover Ionic Liquids for Better Separation Processes

Part of the book series: Green Chemistry and Sustainable Technology ((GCST))

Abstract

Ionic liquids (ILs) as important green solvents and extractants have showed potential application in separation of metal ions. In this chapter, we present new developments in our lab and others to use ILs for green separation of metal ions, such as rare earths (REs) and heavy metal ions, especially by the IL-functionalized solid adsorption materials. The important fundamentals and applied studies on metal ion separation are commented, which include the synthesis of ILs, the new separation systems of ILs, new task-specific ILs (TSILs), and complex materials composed of ILs and inorganic and organic polymers as adsorption materials for liquid-liquid and liquid-solid separation. This chapter only discusses frequently used ILs for metal ion separation; for more information of ILs, some reviews may be referred.

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Author information

Authors and Affiliations

  1. State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun, 130022, China

    Yu Liu & Ji Chen

Authors
  1. Yu Liu
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  2. Ji Chen
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Corresponding author

Correspondence to Ji Chen .

Editor information

Editors and Affiliations

  1. Departamento de Enxeñería Química, Universidade de Santiago de Compostela Departamento de Enxeñería Química, Santiago de Compostela, Spain

    Héctor Rodríguez

Appendix: List of Abbreviations

Appendix: List of Abbreviations

List of abbreviations

Full name

ILs

Ionic liquids

REs

Rare earths

TSILs

Task-specific ILs

[A336]Cl

Aliquat® 336, tricaprylmethylammonium chloride

[C8mim][PF6]

1-Methyl-3-octylimidazolium hexafluorophosphate

bif-ILEs

Bifunctional IL extractants

[A366][CA-12]

Tricaprylmethylammonium sec-octylphenoxyacetate

[A336][CA-100]

Tricaprylmethylammonium sec-nonylphenoxyacetate

[A336][P204]

Tricaprylmethylammonium di-2-ethylhexylphosphinate

[A336][P507]

Tricaprylmethylammonium di-(2-ethylhexyl)orthophosphinate

[A336][C272]

Tricaprylmethylammonium bis(2,4,4-trimethylpentyl)phosphinate

[A336] [C302]

Tricaprylmethylammonium bis(2,4,4-trimethylpentyl) monothiophosphinate

[A336][TS]

Tricaprylmethylammonium thiosalicylate

DMF

Dimethylformamide

AIM-AER

N-Alkylimidazolium-functionalized strongly basic anion exchange resins

[A336][NO3]

Tricaprylmethylammonium nitrate

TEOS

Tetraethoxysilane

MTICl

1-Methyl-3-(triethoxysilylpropyl)imidazolium chloride

PIMs

Polymer inclusion membranes

PVDF

Poly(vinylidene fluoride)

TODGA

N,N,N′,N′-tetra(n-octyl)diglycolamide

Cyphos IL-101

Trihexyl(tetradecyl)phosphonium chloride

Cyphos IL-105

Trihexyl(tetradecyl)phosphonium dicyanamide

Cyphos IL-109

Trihexyl(tetradecyl)phosphonium bistriflamide

Cyphos IL-111

Trihexyl(tetradecyl)phosphonium tetrafluoroborate

SEM

Scanning electron microscopy

CMCTS

(Carboxymethyl) chitosan

[A336][CMCTS]

Tricaprylmethylammonium (carboxymethyl)chitosan

MCl

N-Butylimidazolium-functionalized strongly basic anion exchange resin

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Liu, Y., Chen, J. (2016). Ionic Liquids for Metal Ion Separation. In: Rodríguez, H. (eds) Ionic Liquids for Better Separation Processes. Green Chemistry and Sustainable Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-48520-0_4

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