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Issue 2, 2020
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Removal of lead ions from water using thiophene-functionalized metal–organic frameworks

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Abstract

Heavy metal ion contamination in water is a hazard to all life. The removal of such ions from aqueous media by porous metal–organic frameworks (MOFs) is a growing field. Herein we report the use of thiophene containing MOFs, notably DUT-67, for the removal of Pb2+ ions from water under both batch and flow conditions with a max loading of 98.5 mg Pb2+ per g MOF. Solution-phase 207Pb NMR spectroscopy and an observed decrease in adsorption with non-thiophene containing systems support a mechanism of adsorption via a putative 6π-η5-thiophene–Pb2+ coordination.

Graphical abstract: Removal of lead ions from water using thiophene-functionalized metal–organic frameworks

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Supplementary files

Article information


Submitted
19 Nov 2019
Accepted
29 Nov 2019
First published
29 Nov 2019

Chem. Commun., 2020,56, 237-240
Article type
Communication

Removal of lead ions from water using thiophene-functionalized metal–organic frameworks

A. R. Geisse, C. M. Ngule and D. T. Genna, Chem. Commun., 2020, 56, 237
DOI: 10.1039/C9CC09022C

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