Functionalization of zinc oxide (ZnO) nanoparticles and its effects on polysulfone-ZnO membranes

Ying Tao Chung, Muneer M. Ba-Abbad, Abdul Wahab Mohammad, Abdelbaki Benamor

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Incorporation of nanoparticles in membranes has recently been reported to lead to enhancement of the membrane performance for various applications. In this study, ZnO nanoparticles were synthesized via sol–gel method using zinc acetate and oxalic acid as starting materials. However, the influence of additive, in this case ethylene glycol (EG), on the size of ZnO nanoparticles produced was investigated. All diffraction peaks of XRD patterns indicated the wurtzite structure and the hexagonal phase of ZnO nanoparticles. Uniform spherical particle sizes with lower sizes and reduced agglomeration were observed when EG was used under the same experimental conditions. The particle size was found in the range of 20–30 nm when EG was used as compared to those without EG, which was between 50–60 nm. Dispersion property of the ZnO NPs was further verified by zetasizer analysis. Subsequent incorporation of the smaller size ZnO nanoparticles in membranes has shown improvement in the characteristics and performance of the membranes. Membranes incorporated with ZnO showed improved hydrophilicity and enhancement of membrane performance in terms of permeability, porosity, and rejection ability.

Original languageEnglish
Pages (from-to)7801-7811
Number of pages11
JournalDesalination and Water Treatment
Volume57
Issue number17
DOIs
Publication statusPublished - 8 Apr 2016

Fingerprint

Polysulfones
Zinc oxide
zinc
oxide
Nanoparticles
membrane
Ethylene glycol
Membranes
ethylene
Particle size
particle size
Oxalic acid
Hydrophilicity
oxalic acid
nanoparticle
effect
agglomeration
Zinc
diffraction
Agglomeration

Keywords

  • Additives
  • Functionalization
  • Nanoparticles
  • Zinc oxide

ASJC Scopus subject areas

  • Pollution
  • Water Science and Technology
  • Ocean Engineering

Cite this

Functionalization of zinc oxide (ZnO) nanoparticles and its effects on polysulfone-ZnO membranes. / Chung, Ying Tao; Ba-Abbad, Muneer M.; Mohammad, Abdul Wahab; Benamor, Abdelbaki.

In: Desalination and Water Treatment, Vol. 57, No. 17, 08.04.2016, p. 7801-7811.

Research output: Contribution to journalArticle

Chung, Ying Tao ; Ba-Abbad, Muneer M. ; Mohammad, Abdul Wahab ; Benamor, Abdelbaki. / Functionalization of zinc oxide (ZnO) nanoparticles and its effects on polysulfone-ZnO membranes. In: Desalination and Water Treatment. 2016 ; Vol. 57, No. 17. pp. 7801-7811.
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