Sulfonated poly(arylene ether sulfone) RO membranes for high water flux and chlorine resistance

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Sulfonated poly(arylene ether sulfone) copolymers containing carboxylic groups (cPES) were successfully prepared by an aromatic substitution polymerization reaction from phenolphthalin (PP), 3,3'-disulfonated-4,4'-dichlorodiphenyl sulfone (SDCDPS), phenolphthalein containing amino group (PPH-NH2) as novel thin film composite (TFC) reverse osmosis (RO) membrane material for high water flux. TFC membranes were fabricated by an interfacial polymerization (IP) reaction with trimesoyl chloride (TMC) and amine solution, containing m-phenylenediamine (MPDA) and cPES, on a polysulfone (PS) ultrafiltration (UF) support membrane. The synthesized copolymers and fabricated membranes were characterized by nuclear magnetic resonance spectroscopy (NMR), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), salt rejection and water permeability measurements. The chlorine resistance is evaluated using sodium hypochlorite solution. The cPES RO membrane has much higher chlorine resistance than that of PA RO membrane and shows good RO performances such as water flux (31 L/m2h) and salt rejection (95.1%).

Original languageEnglish
Pages (from-to)205-213
Number of pages9
JournalDesalination and Water Treatment
Volume15
Issue number1-3
DOIs
Publication statusPublished - 2010 Mar 1

Fingerprint

Osmosis membranes
Reverse osmosis
ether
Chlorine
chlorine
Ethers
Fluxes
membrane
Water
Copolymers
Polymerization
Salts
Membranes
polymerization
Thin films
water
Polysulfones
Composite membranes
Ultrafiltration
Nuclear magnetic resonance spectroscopy

Keywords

  • Chlorine-resistance
  • Desalination
  • Reverse osmosis
  • 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) RO membranes for high water flux and chlorine resistance. / Kim, Sang Gon; Park, Ki Tae; Chun, Byung Hee; Bang, Joona; Kim, Sung Hyun.

In: Desalination and Water Treatment, Vol. 15, No. 1-3, 01.03.2010, p. 205-213.

Research output: Contribution to journalArticle

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