Effect of the type of ion exchange membrane on performance, ion transport, and pH in biocatalyzed electrolysis of wastewater

R.A. Rozendal, T.H.J.A. Sleutels, H.V.M. Hamelers, C.J.N. Buisman

Research output: Contribution to journalArticleAcademicpeer-review

148 Citations (Scopus)

Abstract

Previous studies have shown that the application of cation exchange membranes (CEMs) in bioelectrochemical systems running on wastewater can cause operational problems. In this paper the effect of alternative types of ion exchange membrane is studied in biocatalyzed electrolysis cells. Four types of ion exchange membranes are used: (i) a CEM, (ii) an anion exchange membrane (AEM), (iii) a bipolar membrane (BPM), and (iv) a charge mosaic membrane (CMM). With respect to the electrochemical performance of the four biocatalyzed electrolysis configurations, the ion exchange membranes are rated in the order AEM > CEM > CMM > BPM. However, with respect to the transport numbers for protons and/or hydroxyl ions (t(H/OH)) and the ability to prevent pH increase in the cathode chamber, the ion exchange membranes are rated in the order BPM > AEM > CMM > CEM.
Original languageEnglish
Pages (from-to)1757-1762
JournalWater Science and Technology
Volume57
Issue number11
DOIs
Publication statusPublished - 2008

Keywords

  • waste water treatment
  • water treatment
  • membranes
  • filtration
  • electrolysis
  • hydrogen
  • ion exchange treatment
  • ion transport
  • anion exchange
  • microbial fuel-cells
  • bacterium
  • acetate
  • cation

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