UiO-66-(SH)2 as stable, selective and regenerable adsorbent for the removal of mercury from water under environmentally-relevant conditions

Karen Leus; Jeffrey Paulo H. Perez; Karel Folens; Maria Meledina; Gustaaf Van Tendeloo; Gijs Du Laing; Pascal Van Der Voort

doi:10.1039/C7FD00012J

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UiO-66-(SH)₂ as stable, selective and regenerable adsorbent for the removal of mercury from water under environmentally-relevant conditions†

Karen Leus,

‡*^a Jeffrey Paulo H. Perez,

‡§^ab Karel Folens,^b Maria Meledina,^c Gustaaf Van Tendeloo,^c Gijs Du Laing^b and Pascal Van Der Voort

Author affiliations

* Corresponding authors

^a Center for Ordered Materials, Organometallics and Catalysis (COMOC), Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan 281-S3, B-9000 Ghent, Belgium
E-mail: karen.leus@ugent.be

^b Laboratory of Analytical Chemistry and Applied Ecochemistry (ECOCHEM), Department of Applied Analytical and Physical Chemistry, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium

^c Electron Microscopy for Materials Science (EMAT), Department of Physics, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium

Abstract

The dithiol functionalized UiO-66-(SH)₂ is developed as an efficient adsorbent for the removal of mercury in aqueous media. Important parameters for the application of MOFs in real-life circumstances include: stability and recyclability of the adsorbents, selectivity for the targeted Hg species in the presence of much higher concentrations of interfering species, and ability to purify wastewater below international environmental limits within a short time. We show that UiO-66-(SH)₂ meets all these criteria.

This article is part of the themed collection: New directions in porous crystalline materials

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New directions in gas sorption and separation with MOFs: general discussion

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Article information

DOI: https://doi.org/10.1039/C7FD00012J
Article type: Paper
Submitted: 12 Jan 2017
Accepted: 30 Jan 2017
First published: 13 Jun 2017

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Faraday Discuss., 2017,201, 145-161

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UiO-66-(SH)₂ as stable, selective and regenerable adsorbent for the removal of mercury from water under environmentally-relevant conditions

K. Leus, J. P. H. Perez, K. Folens, M. Meledina, G. Van Tendeloo, G. Du Laing and P. Van Der Voort, Faraday Discuss., 2017, 201, 145 DOI: 10.1039/C7FD00012J

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