Electrokinetic Phenomena for Membrane Charge

D. L. Oatley-Radcliffe, N. Aljohani, P. M. Williams, Nidal Hilal

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Membrane charge is fundamental to the separation of ions from a membrane and is a major factor in the separation efficiency of ultrafiltration, nanofiltration, and reverse osmosis membranes. Characterization of the charge properties of membranes can be performed using a variety of different methods. In this chapter, the electrokinetic phenomena of electrophoresis, electro-osmosis, sedimentation potential, and streaming potential are described. Each of these methods is capable of measuring the zeta potential of the membrane in a given electrolyte solution and has been discussed. The fundamental basis of each of the methods is provided and theoretical descriptions are provided. The streaming potential method is the most commonly employed method for the characterization of membrane charge and this technique is described in detail. Typical commercial equipment is shown and discussed and a set of experimental results is provided to illustrate the methodology.

Original languageEnglish (US)
Title of host publicationMembrane Characterization
PublisherElsevier Inc.
Pages405-422
Number of pages18
ISBN (Electronic)9780444637918
ISBN (Print)9780444637765
DOIs
StatePublished - Feb 20 2017

Fingerprint

Membranes
Electroosmosis
Osmosis membranes
Nanofiltration
Reverse osmosis
Ultrafiltration
Zeta potential
Electrophoresis
Sedimentation
Electrolytes
Ions

Keywords

  • Elector-osmosis
  • Electrophoresis
  • Membrane charge
  • Sedimentation potential
  • Streaming potential
  • Zeta potential

ASJC Scopus subject areas

  • Engineering(all)
  • Chemical Engineering(all)

Cite this

Oatley-Radcliffe, D. L., Aljohani, N., Williams, P. M., & Hilal, N. (2017). Electrokinetic Phenomena for Membrane Charge. In Membrane Characterization (pp. 405-422). Elsevier Inc.. https://doi.org/10.1016/B978-0-444-63776-5.00018-8

Electrokinetic Phenomena for Membrane Charge. / Oatley-Radcliffe, D. L.; Aljohani, N.; Williams, P. M.; Hilal, Nidal.

Membrane Characterization. Elsevier Inc., 2017. p. 405-422.

Research output: Chapter in Book/Report/Conference proceedingChapter

Oatley-Radcliffe, DL, Aljohani, N, Williams, PM & Hilal, N 2017, Electrokinetic Phenomena for Membrane Charge. in Membrane Characterization. Elsevier Inc., pp. 405-422. https://doi.org/10.1016/B978-0-444-63776-5.00018-8
Oatley-Radcliffe DL, Aljohani N, Williams PM, Hilal N. Electrokinetic Phenomena for Membrane Charge. In Membrane Characterization. Elsevier Inc. 2017. p. 405-422 https://doi.org/10.1016/B978-0-444-63776-5.00018-8
Oatley-Radcliffe, D. L. ; Aljohani, N. ; Williams, P. M. ; Hilal, Nidal. / Electrokinetic Phenomena for Membrane Charge. Membrane Characterization. Elsevier Inc., 2017. pp. 405-422
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