Sulfonated poly(arylene ether sulfone) thin-film composite reverse osmosis membrane containing SiO2 nano-particles

Ki Tae Park, Sang Gon Kim, Byung Hee Chun, Joona Bang, Sung Hyun Kim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Novel thin-film nano-composite membranes containing SiO2 nano-particles are successfully fabricated via interfacial polymerization with trimesoyl chloride (TMC), sulfonated poly(arylene ether sulfone) copolymers and silica (SiO2) nano-particles on a polysulfone (PS) support membrane. Sulfonated poly(arylene ether sulfone) copolymers containing carboxylic and amino groups (cPES) are successfully prepared via direct polymerization as novel thin-film composite (TFC) reverse osmosis (RO) membrane material. Mesoporous SiO2 nano-particles are also successfully synthesized. The synthesized cPES copolymers, SiO2 nano-particles and fabricated cPES membranes are characterized by nuclear magnetic resonance spectroscopy (NMR), Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscope (SEM). The incorporation of SiO2 nano-particles were confirmed by energy dispersive X-ray spectroscopy (EDX). Moreover, the effects of different fabrication conditions on performance are investigated. The cPES membrane with 1% (w/w) SiO2, which is cured at 70°C, exhibited the high salt rejection value (96.8%) with respect to NaCl and good water flux value (32 L/m2h).

Original languageEnglish
Pages (from-to)69-75
Number of pages7
JournalDesalination and Water Treatment
Volume15
Issue number1-3
DOIs
Publication statusPublished - 2010 Mar 1

Fingerprint

Osmosis membranes
Reverse osmosis
ether
Ethers
Copolymers
membrane
Membranes
Thin films
Composite materials
Polymerization
Polysulfones
polymerization
Composite membranes
Nuclear magnetic resonance spectroscopy
Fourier transform infrared spectroscopy
Electron microscopes
Silica
Salts
Fluxes
Scanning

Keywords

  • Desalination
  • Nanocomposite membrane
  • RO membrane
  • Sulfonated poly(arylene ether sulfone)

ASJC Scopus subject areas

  • Pollution
  • Water Science and Technology
  • Ocean Engineering

Cite this

Sulfonated poly(arylene ether sulfone) thin-film composite reverse osmosis membrane containing SiO2 nano-particles. / Park, Ki Tae; Kim, Sang Gon; Chun, Byung Hee; Bang, Joona; Kim, Sung Hyun.

In: Desalination and Water Treatment, Vol. 15, No. 1-3, 01.03.2010, p. 69-75.

Research output: Contribution to journalArticle

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