Issue 4, 2016

Selective removal of copper with polystyrene–1,3-diaminourea chelating resin: synthesis and adsorption studies

Abstract

Copper, as a common heavy metal, is harmful to the environment and to people's health. In this study, green chloromethylated polystyrene bead–1,3-diaminourea (PS–DU) which was intended to adsorb copper ions was synthesized from chloromethylated polystyrene (PS-Cl) and 1,3-diaminourea (DU). The structure was characterized by FT-IR and elemental analysis. The adsorption properties of the resin for Cu(II) were investigated by batch and column experiments. Batch adsorption results suggested that PS–DU had a high adsorption capability for Cu(II) and its maximum saturated adsorption capacity was 168.7 mg g−1 at 308 K, estimated from the Langmuir model. The resin and its metal complexes were studied by TGA, SEM and XPS. Furthermore, the resin can be eluted easily using 2 mol L−1 HCl. PS–DU not only has a potential application for the selective removal of copper from waste solutions, but also has an application in the analysis and detection areas.

Graphical abstract: Selective removal of copper with polystyrene–1,3-diaminourea chelating resin: synthesis and adsorption studies

Article information

Article type
Paper
Submitted
02 Oct 2015
Accepted
09 Feb 2016
First published
09 Feb 2016

New J. Chem., 2016,40, 3588-3596

Author version available

Selective removal of copper with polystyrene–1,3-diaminourea chelating resin: synthesis and adsorption studies

C. Shen, Y. Chang, L. Fang, M. Min and C. H. Xiong, New J. Chem., 2016, 40, 3588 DOI: 10.1039/C5NJ02703A

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