Preparation and characterization of novel PSf/PVP/PANI-nanofiber nanocomposite hollow fiber ultrafiltration membranes and their possible applications for hazardous dye rejection

Avin J. Kajekar, B.M. Dodamani, Arun M. Isloor, Zulhairun Abdul Karim, Ng Be Cheer, A.F. Ismail, Simon J. Shilton

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

In the present study, PANI (polyaniline)-nanofibers were synthesized by interfacial polymerization technique, dispersed in n-Methyl-2-Pyrrolidone (NMP) solvent and blended with PVP (Polyvinylpyrrolidone)/PSf (Polysulfone) for preparing the novel hollow fiber membrane by dry–wet spinning technique. The newly prepared nanocomposite ultrafiltration hollow fiber membrane is characterized by Scanning Electron Microscope (SEM), Contact Angle, Zeta Potential and Differential Scanning Calorimeter (DSC). Filtration studies are conducted to measure the membrane pure water flux (PWF), rejection of hazardous dye (Reactive Red 120) and fouling resistance. The maximum rejections are obtained for M 0.5 membrane with 99.25% rejection of RR120 hazardous dye at 2 bar pressure. The pure water flux, percentage rejection, antifouling property and thermal resistance increased with an increase in PANI-nanofiber concentration. The contact angle of the membrane decreased with increasing PANI-nanofiber concentration, which indicated increased hydrophilicity of the new membranes.
LanguageEnglish
Pages117–125
Number of pages9
JournalDesalination
Volume365
Early online date21 Feb 2015
DOIs
Publication statusPublished - 1 Jun 2015

Fingerprint

Povidone
Ultrafiltration
Polyaniline
Nanofibers
ultrafiltration
Nanocomposites
dye
Coloring Agents
Dyes
membrane
Membranes
Fibers
Contact angle
Fluxes
Scanning
Spinning (fibers)
Polysulfones
Water
antifouling
Hydrophilicity

Keywords

  • hollow fiber membranes
  • ultrafiltration
  • PANI-nanofiber
  • dye rejection

Cite this

Kajekar, Avin J. ; Dodamani, B.M. ; Isloor, Arun M. ; Karim, Zulhairun Abdul ; Cheer, Ng Be ; Ismail, A.F. ; Shilton, Simon J. / Preparation and characterization of novel PSf/PVP/PANI-nanofiber nanocomposite hollow fiber ultrafiltration membranes and their possible applications for hazardous dye rejection. In: Desalination. 2015 ; Vol. 365. pp. 117–125.
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Preparation and characterization of novel PSf/PVP/PANI-nanofiber nanocomposite hollow fiber ultrafiltration membranes and their possible applications for hazardous dye rejection. / Kajekar, Avin J.; Dodamani, B.M.; Isloor, Arun M.; Karim, Zulhairun Abdul; Cheer, Ng Be; Ismail, A.F.; Shilton, Simon J.

In: Desalination, Vol. 365, 01.06.2015, p. 117–125.

Research output: Contribution to journalArticle

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T1 - Preparation and characterization of novel PSf/PVP/PANI-nanofiber nanocomposite hollow fiber ultrafiltration membranes and their possible applications for hazardous dye rejection

AU - Kajekar, Avin J.

AU - Dodamani, B.M.

AU - Isloor, Arun M.

AU - Karim, Zulhairun Abdul

AU - Cheer, Ng Be

AU - Ismail, A.F.

AU - Shilton, Simon J.

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N2 - In the present study, PANI (polyaniline)-nanofibers were synthesized by interfacial polymerization technique, dispersed in n-Methyl-2-Pyrrolidone (NMP) solvent and blended with PVP (Polyvinylpyrrolidone)/PSf (Polysulfone) for preparing the novel hollow fiber membrane by dry–wet spinning technique. The newly prepared nanocomposite ultrafiltration hollow fiber membrane is characterized by Scanning Electron Microscope (SEM), Contact Angle, Zeta Potential and Differential Scanning Calorimeter (DSC). Filtration studies are conducted to measure the membrane pure water flux (PWF), rejection of hazardous dye (Reactive Red 120) and fouling resistance. The maximum rejections are obtained for M 0.5 membrane with 99.25% rejection of RR120 hazardous dye at 2 bar pressure. The pure water flux, percentage rejection, antifouling property and thermal resistance increased with an increase in PANI-nanofiber concentration. The contact angle of the membrane decreased with increasing PANI-nanofiber concentration, which indicated increased hydrophilicity of the new membranes.

AB - In the present study, PANI (polyaniline)-nanofibers were synthesized by interfacial polymerization technique, dispersed in n-Methyl-2-Pyrrolidone (NMP) solvent and blended with PVP (Polyvinylpyrrolidone)/PSf (Polysulfone) for preparing the novel hollow fiber membrane by dry–wet spinning technique. The newly prepared nanocomposite ultrafiltration hollow fiber membrane is characterized by Scanning Electron Microscope (SEM), Contact Angle, Zeta Potential and Differential Scanning Calorimeter (DSC). Filtration studies are conducted to measure the membrane pure water flux (PWF), rejection of hazardous dye (Reactive Red 120) and fouling resistance. The maximum rejections are obtained for M 0.5 membrane with 99.25% rejection of RR120 hazardous dye at 2 bar pressure. The pure water flux, percentage rejection, antifouling property and thermal resistance increased with an increase in PANI-nanofiber concentration. The contact angle of the membrane decreased with increasing PANI-nanofiber concentration, which indicated increased hydrophilicity of the new membranes.

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