Supported liquid membrane using hybrid polyethersulfone/ graphene flat sheet membrane for acetic acid removal

Norlisa Harruddin, Syed M. Saufi, Che Ku M Faizal, Abdul Wahab Mohammad, Huang Nay Ming

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Acetic acid is one of the inhibitors mainly found in biomass hydrolysates after acid hydrolysis of lignocellulose biomass. The presence of this compound can affect the final yield of bioethanol. Supported liquid membrane (SLM) is an efficient method for solute extraction from aqueous solution. However, unsuitable membrane structure and insufficient membrane strength are the typical problems experienced by the membrane support in the SLM system. In the current study, graphene nanopowder was incorporated into polyethersulfone (PES) dope polymer solution to fabricate flat sheet PES membrane support. The hydrophobicity of the PES membrane was increased from 85° to 120° when the graphene was added. The force required to break the PES/graphene membrane was 4.3N. This force was higher compared to the pristine PES membrane which was 1.9N. Both membranes however showed almost similar acetic acid removal percentages which were 86% and 83% for pristine PES and PES/graphene membrane, respectively.

Original languageEnglish
Pages (from-to)111-120
Number of pages10
JournalJournal of Physical Science
Volume28
DOIs
Publication statusPublished - 2017

Fingerprint

Liquid membranes
Graphite
acetic acid
Acetic acid
Acetic Acid
Graphene
graphene
membranes
Membranes
liquids
biomass
Biomass
Bioethanol
Membrane structures
polyether sulfone
Polymer solutions
Hydrophobicity
membrane structures
Hydrolysis
hydrophobicity

Keywords

  • Acetic acid
  • Flat sheet membrane
  • Graphene
  • Hybrid Polyethersulfone
  • Liquid membrane

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Supported liquid membrane using hybrid polyethersulfone/ graphene flat sheet membrane for acetic acid removal. / Harruddin, Norlisa; Saufi, Syed M.; Faizal, Che Ku M; Mohammad, Abdul Wahab; Ming, Huang Nay.

In: Journal of Physical Science, Vol. 28, 2017, p. 111-120.

Research output: Contribution to journalArticle

Harruddin, Norlisa ; Saufi, Syed M. ; Faizal, Che Ku M ; Mohammad, Abdul Wahab ; Ming, Huang Nay. / Supported liquid membrane using hybrid polyethersulfone/ graphene flat sheet membrane for acetic acid removal. In: Journal of Physical Science. 2017 ; Vol. 28. pp. 111-120.
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