Development of polysulfone-nanohybrid membranes using ZnO-GO composite for enhanced antifouling and antibacterial control

Ying Tao Chung, Ebrahim Mahmoudi, Abdul Wahab Mohammad, Abdelbaki Benamor, Daniel Johnson, Nidal Hilal

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Zinc oxide nanoparticles were well-known for the enhanced antifouling and antibacterial properties which could be beneficial for membrane processes in desalination. The functionalization of ZnO onto graphene oxide nanoplates was targeted for better distribution. Both ZnO and ZnO-GO NPs were synthesized using sol-gel method. The nanoparticles characteristics were checked with XRD, TEM, and FESEM. The nanohybrid membranes were fabricated via wet phase inversion technique and embedded with various percentage of ZnO (1, 2, 3 wt%) and ZnO-GO (0.1, 0.3, 0.6 wt%) nanoparticles. All the membranes with nanoparticles incorporation exhibited improved membrane properties in comparison with the pristine PSF membrane. The best membrane performance was shown in membrane with 2 wt% of ZnO and 0.6 wt% of ZnO-GO. These two membranes presented significantly improved performance such as enhanced hydrophilicity, high permeability and porosity, improved humic acid rejection rate as well as good antifouling and antibacterial control. To an extent, the excellent antimicrobial ability of these nanohybrid membranes appeared as appropriate candidate to contribute or overcome bio-fouling issues in applications such as brackish water or seawater desalination. Hence, ZnO and ZnO-GO NPs were superb nanomaterials in the fabrication of PSF-nanohybrid membranes. The use of GO nanoplates allowed reduction of ZnO composition by up to 5 times while showing similar performances.

Original languageEnglish
Pages (from-to)123-132
Number of pages10
JournalDesalination
Volume402
DOIs
Publication statusPublished - 16 Jan 2017
Externally publishedYes

Fingerprint

Polysulfones
antifouling
membrane
Membranes
Composite materials
Nanoparticles
Desalination
desalination
polysulfone P 1700
oxide
Zinc Oxide
Humic Substances
Biofouling
biofouling
Graphite
Hydrophilicity
Zinc oxide
brackish water
Seawater
Nanostructured materials

Keywords

  • Antibacterial
  • Antifouling
  • Polysulfone membrane
  • Zinc oxide
  • Zinc oxide-graphene oxide nanohybrid

ASJC Scopus subject areas

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

Cite this

Development of polysulfone-nanohybrid membranes using ZnO-GO composite for enhanced antifouling and antibacterial control. / Chung, Ying Tao; Mahmoudi, Ebrahim; Mohammad, Abdul Wahab; Benamor, Abdelbaki; Johnson, Daniel; Hilal, Nidal.

In: Desalination, Vol. 402, 16.01.2017, p. 123-132.

Research output: Contribution to journalArticle

Chung, Ying Tao ; Mahmoudi, Ebrahim ; Mohammad, Abdul Wahab ; Benamor, Abdelbaki ; Johnson, Daniel ; Hilal, Nidal. / Development of polysulfone-nanohybrid membranes using ZnO-GO composite for enhanced antifouling and antibacterial control. In: Desalination. 2017 ; Vol. 402. pp. 123-132.
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