Salt free softening by thermo-reversible ion absorbing hydrogels

J.P.A. Custers, L.F.S. Stemkens, D.T.A. Asseldonk, van, J.T.F. Keurentjes, R.J. Sablong

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
2 Downloads (Pure)


In this article, we demonstrate the properties of a hydrogel capable of adsorbing calcium cations from aqueous streams at ambient temperatures (10–25°C) and showing almost complete desorption of the bound calcium ions at slightly elevated temperatures (40–50°C). Successful breakthrough experiments in a fixed bed column set-up show the potential of the hydrogel in softening water streams from 150 ppm toward
Original languageEnglish
Pages (from-to)40216-1/7
JournalJournal of Applied Polymer Science
Issue number9
Publication statusPublished - 2014


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