Mechanical properties of water desalination and wastewater treatment membranes

Kui Wang, Ahmed Abdala, Mohammad A. Khaleel, Nidal Hilal, Marwan Khraisheh

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Applications of membrane technology in water desalination and wastewater treatment have increased significantly in the past few decades due to its many advantages over other water treatment technologies. Water treatment membranes provide high flux and contaminant rejection ability and require good mechanical strength and durability. Thus, assessing the mechanical properties of water treatment membranes is critical not only to their design, but also for studying their failure mechanisms, including the surface damage, mechanical and chemical ageing, delamination and loss of dimensional stability of the membranes. The various experimental techniques to assess the mechanical properties of wastewater treatment and desalination membranes are reviewed. Uniaxial tensile test, bending test, dynamic mechanical analysis, nanoindentation and bursting tests are the most widely used mechanical characterization methods for water treatment membranes. Mechanical degradations induced by fouling, chemical cleaning as well as membrane delamination are then discussed. Moreover, in order to study the membranes mechanical responses under similar loading conditions, the stress-state of the membranes are analyzed and advanced mechanical testing approaches are proposed. Some perspectives are highlighted to study the structure-properties relationship for wastewater treatment and water desalination membranes.

Original languageEnglish
JournalDesalination
DOIs
Publication statusAccepted/In press - 27 Oct 2015

Fingerprint

Desalination
Wastewater treatment
mechanical property
membrane
Membranes
Mechanical properties
Water
Water treatment
water treatment
delamination
Delamination
Chemical cleaning
wastewater treatment
water desalination
Membrane technology
Mechanical testing
Dimensional stability
Bending tests
Dynamic mechanical analysis
Nanoindentation

Keywords

  • Desalination
  • Mechanical characterization
  • Mechanical properties
  • Membrane
  • Stress state
  • Wastewater treatment

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Mechanical Engineering
  • Chemistry(all)
  • Materials Science(all)
  • Water Science and Technology

Cite this

Mechanical properties of water desalination and wastewater treatment membranes. / Wang, Kui; Abdala, Ahmed; Khaleel, Mohammad A.; Hilal, Nidal; Khraisheh, Marwan.

In: Desalination, 27.10.2015.

Research output: Contribution to journalArticle

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