Preparation of a novel magnetic resin for effective removal of both natural organic matter and organic micropollutants

A novel, bifunctional, hypercrosslinked, magnetic resin W2 was prepared using divinylbenzene (DVB) and glycidyl methacrylate (GMA) as comonomers in three steps (i.e., suspension polymerization, amination and post-crosslinking reactions). To evaluate the adsorption of natural organic matter (NOM) and organic micropollutants (OMPs) on the obtained resin W2, two magnetic resins W1 (the precursor of W2 before post-crosslinking) and W0 (the precursor of W1 before amination) were chosen for comparison. The results indicated that W2 would be a promising material for the removal of both NOM and OMPs from aquatic environments.

Graphical abstractA novel, bifunctional, hypercrosslinked, magnetic resin W2 that possessed high specific surface area (325 m2/g) and functional groups was prepared in this work for the first time. The resin can be used for effective removal of both natural organic matter (NOM) and organic micropollutants (OMPs).Figure optionsDownload full-size imageDownload as PowerPoint slide