Polymeric microspheres with <Emphasis Type="Italic">N</Emphasis>-methyl-<Emphasis Type="SmallCaps">d</Emphasis>-glucamine ligands for boron removal from water solution by adsorption–membrane filtration process |
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Authors: | Joanna Wolska Marek Bryjak Nalan Kabay |
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Institution: | (1) Division of Polymer and Carbonaceous Materials, Wroclaw University of Technology, Wrocław, Poland;(2) Chemical Engineering Department, Ege University, İzmir, Turkey |
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Abstract: | Polymeric microspheres with N-methyl-d-glucamine (NMDG) ligands have been tested in the adsorption–membrane filtration process for boron removal from aqueous solutions.
The chelating resins were synthesized by reacting NMDG with the vinylbenzyl chloride–styrene–1,4-divinylbenzene (VBC/S/DVB)
copolymer at the reflux temperature and in the microwave reactor. VBC/S/DVB spheres with a gel structure that contained 6
wt% DVB were obtained by membrane emulsification followed by suspension polymerization. By selecting the optimal emulsification
and polymerization parameters, it was possible to obtain 25-μm-diameter particles with a narrow size distribution. Resins
obtained by microwave modification showed the higher boron adsorption capacity. |
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