Polyamide thin-film nanocomposite membranes with graphene oxide nanosheets: Balancing membrane performance and fouling propensity

Adam Inurria, Pinar Cay-Durgun, Douglas Rice, Haojie Zhang, Dong Kyun Seo, Mary Laura Lind, François Perreault

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Reverse osmosis (RO) is the fastest growing desalination technology but still suffers from the permeability-selectivity tradeoff of polymeric membranes and the vulnerability of polyamide thin film composite (TFC) membranes to fouling. Membranes incorporating graphene oxide (GO) sheets in the polyamide layer have the potential to address these limitations by providing antifouling and molecular sieving capacities. However, these two properties of GO-based thin film nanocomposite (TFN) membranes originate from different features of GO and optimal TFN composition may differ when designing for improved permeability or fouling resistance. In this study, we evaluated the effect of incorporating GO sheets in the polyamide active layer of TFN membranes on their separation performance and fouling resistance. Increasing the GO loading in TFN membranes increased the antifouling and antimicrobial properties of TFN membranes. On the other hand, a small increase in membrane permeability was observed at low GO loading and decreased with increasing GO content in the active layer. Therefore, the results of this study emphasize the trade-off that exists between improved performance and reduced fouling propensity and the benefits of GO appear higher as an antimicrobial and antifouling additive than a permeability enhancer in TFN membranes.

Original languageEnglish
JournalDesalination
DOIs
Publication statusAccepted/In press - Jan 1 2018

Fingerprint

Graphite
Nanosheets
Nylons
Fouling
Polyamides
fouling
Oxides
Graphene
Nanocomposites
oxide
membrane
Membranes
Thin films
antifouling
permeability
active layer
Polymeric membranes
Composite membranes
Reverse osmosis
Desalination

Keywords

  • Antifouling
  • Antimicrobial
  • Graphene
  • Nanocomposite membranes
  • Reverse Osmosis

ASJC Scopus subject areas

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

Cite this

Polyamide thin-film nanocomposite membranes with graphene oxide nanosheets : Balancing membrane performance and fouling propensity. / Inurria, Adam; Cay-Durgun, Pinar; Rice, Douglas; Zhang, Haojie; Seo, Dong Kyun; Lind, Mary Laura; Perreault, François.

In: Desalination, 01.01.2018.

Research output: Contribution to journalArticle

Inurria, Adam ; Cay-Durgun, Pinar ; Rice, Douglas ; Zhang, Haojie ; Seo, Dong Kyun ; Lind, Mary Laura ; Perreault, François. / Polyamide thin-film nanocomposite membranes with graphene oxide nanosheets : Balancing membrane performance and fouling propensity. In: Desalination. 2018.
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