Desalination by electrodialysis using a stack of charged hydrogels in a microfluidic platform

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Abstract

We show a new approach for desalinating water, using a stack of periodic hydrogel structures in a microfluidic platform. This technique utilizes alternating anion- (AEH) and cation-exchange hydrogels (CEH) locally fabricated in confined compartments by capillary line pinning. Parallel streams of concentrated and ion-depleted water are formed in continuous flow when applying a potential difference across the microchip. Different electric fields (10-100 V/cm) and fluid flow rates (0-5 μl/min) are investigated.
Original languageEnglish
Title of host publication20th International Conference on Miniaturized Systems for Chemistry and LifeSciences, MicroTAS 2016
PublisherChemical and Biological Micro Systems Society
Pages212-213
Number of pages2
ISBN (Print)978-0-9798064-9-0
Publication statusPublished - 9 Oct 2016
Event20th International Conference on Miniaturized Systems for Chemistry and LifeSciences, µTAS 2016 - Convention Center Dublin, Dublin, Ireland
Duration: 9 Oct 201613 Oct 2016
Conference number: 20
http://www.microtas2016.org/

Publication series

NameInternational Conference on Miniaturized Systems for Chemistry and LifeSciences (MicroTAS)
PublisherThe Chemical and Biological Microsystems Society
Volume2016
ISSN (Print)1556-5904

Conference

Conference20th International Conference on Miniaturized Systems for Chemistry and LifeSciences, µTAS 2016
Abbreviated titleMicroTAS 2016
CountryIreland
CityDublin
Period9/10/1613/10/16
Internet address

Keywords

  • EWI-27511
  • METIS-317600
  • IR-102621

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  • Cite this

    Gümüscü, B., Haase, A. S., Benneker, A. M., van den Berg, A., Lammertink, R. G. H., & Eijkel, J. C. T. (2016). Desalination by electrodialysis using a stack of charged hydrogels in a microfluidic platform. In 20th International Conference on Miniaturized Systems for Chemistry and LifeSciences, MicroTAS 2016 (pp. 212-213). (International Conference on Miniaturized Systems for Chemistry and LifeSciences (MicroTAS); Vol. 2016). Chemical and Biological Micro Systems Society.