Evaluation of carbon nanotube-polyamide thin-film nanocomposite reverse osmosis membrane: Surface properties, performance characteristics and fouling behavior

Youngbin Baek, Hee Joong Kim, Seung Hyun Kim, Jong Chan Lee, Jeyong Yoon

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Carbon nanotube (CNT)-polyamide (PA) thin-film nanocomposite (TFN) reverse osmosis (RO) membranes have been highlighted due to their high water permeability. We evaluated the surface properties, membrane performance and fouling behavior of CNT-PA TFN RO membranes. The CNT-PA TFN RO membranes showed ∼30% enhanced water flux, which resulted in a lower energy consumption. The smoother surface of the CNT-PA TFN RO membranes led to less membrane fouling, while its biofouling resistance was insignificant due to less positioned CNTs on the membrane surface. These results provide important insights into the factors optimizing CNT-PA TFN RO membranes as a high performance RO membrane.

Original languageEnglish (US)
Pages (from-to)327-334
Number of pages8
JournalJournal of Industrial and Engineering Chemistry
Volume56
DOIs
StatePublished - Dec 25 2017

Keywords

  • Carbon nanotube (CNT)
  • Fouling behavior
  • Performance characteristics
  • Surface property
  • polyamide (PA) thin-film nanocomposite (TFN) reverse osmosis (RO) membrane

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