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PolyHIPEs for Water Treatment

Lookup NU author(s): Mohammed Kadhim, Dr Adrian Oila, Professor Steve Bull

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Abstract

© 2019 Published under licence by IOP Publishing Ltd.PolyHIPEs (polymers synthesized within high internal phase emulsions) are porous materials with high specific surface area which suggests their use in ion exchange applications. We have successfully synthesized and functionalized such materials to make then hydrophilic by mixing an oil phase and an aqueous phase containing deionized water and sulphuric acid. The PolyHIPE samples were also subjected to a further microwave-assisted post-sulphonation process to increase hydrophilicity and water uptake. Post sulphonation results in a higher concentration of benzenesulphonic acid groups which are necessary for ion exchange. PolyHIPE beads processed in this manner were able to remove low concentrations (∼20mg/l) of nickel and copper ions from solution with high removal efficiency (80-95%) depending on the initial pH of the water. However, recovery of the metal through regeneration at different pH levels was less successful.


Publication metadata

Author(s): Kadhim M, Oila A, Bull SJ

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2nd International Science Conference

Year of Conference: 2019

Online publication date: 25/10/2019

Acceptance date: 02/04/2019

Publisher: Institute of Physics Publishing

URL: https://doi.org/10.1088/1742-6596/1294/5/052072

DOI: 10.1088/1742-6596/1294/5/052072

Series Title: Journal of Physics: Conference Series


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