Evaluation of different polymeric membrane support for acetic acid removal by supported liquid membrane process

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

Research output: Contribution to journalArticle

Abstract

In this study, the removal of acetic acid from aqueous solution through supported liquid membrane (SLM) process by using tri-n-octylamine (TOA) as a carrier and sodium hydroxide as a stripping agent was conducted. Acetic acid can inhibit the microbial activity during fermentation process of biomass hydrolysate, thus decreasing the bioethanol production. It is crucial to remove acetic acid prior to fermentation process in order to increase the yield of bioethanol from biomass resources. In this study, the removal of acetic acid was conducted using different types of polymeric membrane in supported liquid membrane process. Three types of polymeric membranes support which are polyethersulfone (PES), polysulfone (PSF) and polyvinyflouride (PVDF) prepared by vapour induced phase separation (VIPS) were used as a support material. The types of polymer give a significant effect on membrane morphology and its physical characteristics. PES exhibited a porous membrane support with a symmetric structure and high contact angle. Almost 86% of 10 g/l of acetic acid was successfully removed by using PES as a support membrane, compared to the 6% and 38% removal using PSF and PVDF membrane, respectively.

Original languageEnglish
Pages (from-to)13-18
Number of pages6
JournalJurnal Teknologi
Volume78
Issue number12
DOIs
Publication statusPublished - 1 Dec 2016

Fingerprint

Polymeric membranes
Liquid membranes
Acetic acid
Membranes
Bioethanol
Polysulfones
Fermentation
Biomass
Phase separation
Contact angle
Vapors
Sodium
Polymers

Keywords

  • Acetic acid
  • Biomass hydrolysate
  • Polymeric membrane
  • Upported liquid membrane
  • Vapor induced phase separation

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Evaluation of different polymeric membrane support for acetic acid removal by supported liquid membrane process. / Harruddin, Norlisa; Saufi, Syed M.; Faizal, Che Ku M; Mohammad, Abdul Wahab.

In: Jurnal Teknologi, Vol. 78, No. 12, 01.12.2016, p. 13-18.

Research output: Contribution to journalArticle

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