Issue 80, 2016
From the journal:

Chemical Communications

Removal of alkali and transition metal ions from water with hydrophobic deep eutectic solvents†

Dannie J. G. P. van Osch,*a   Dries Parmentier,bc   Carin H. J. T. Dietz,d   Adriaan van den Bruinhorst,b   Remco Tuiniera  and  Maaike C. Kroon*be  

* Corresponding authors

a Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
E-mail: D.v.Osch@tue.nl

b Separation Technology Group, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P. O. Box 513, 5600 MB, Eindhoven, The Netherlands
E-mail: mkroon@pi.ac.ae

c Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands

d Chemical Process Intensification, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P. O. Box 513, 5600 MB, Eindhoven, The Netherlands

e The Petroleum Institute, Dept. of Chemical Engineering, P. O. Box 2533, Abu Dhabi, UAE

Abstract

Hydrophobic deep eutectic solvents were used for the first time for the removal of metal ions from non-buffered water. It was shown that the extraction occurs via an ion exchange mechanism in which all transition metal ions could be extracted with high distribution coefficients, even for high Co2+ concentrations and low DES/water mass ratios. Maximum extraction efficiency could be reached within 5 s and regeneration was possible.

Graphical abstract: Removal of alkali and transition metal ions from water with hydrophobic deep eutectic solvents

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Article information

DOI
https://doi.org/10.1039/C6CC06105B
Article type
Communication
Submitted
15 May 2016
Accepted
12 Aug 2016
First published
12 Aug 2016

Chem. Commun., 2016,52, 11987-11990

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Removal of alkali and transition metal ions from water with hydrophobic deep eutectic solvents

D. J. G. P. van Osch, D. Parmentier, C. H. J. T. Dietz, A. van den Bruinhorst, R. Tuinier and M. C. Kroon, Chem. Commun., 2016, 52, 11987 DOI: 10.1039/C6CC06105B

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