Influence of triglycerides on fouling of glycerol-water with ultrafiltration membranes

M. A. Indok Nurul Hasyimah, Abdul Wahab Mohammad, Masturah Markom

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In the present study, the ability of two ultrafiltration (UF) polymeric membranes to clarify synthetic glycerin-rich solutions containing triglycerides (TGs) was evaluated. The membranes were made of poly(ether sulfone) (PES) and poly(vinylidene fluoride) (PVDF) and had molecular-weight cutoff (MWCO) values of 25000 and 30000 Da, respectively. A commercial TG (RBD Palm Olein) was employed, and the effects of membrane surface chemistry and solution pH on the permeation flux and TG retention rate were studied. In glycerol-water mixtures containing TG, the contribution of the solute to fouling was more severe than that of fatty acid (FA), with lower permeation rates being shown. Furthermore, the present study revealed that the nature of the membrane and the pH of the solution have significant effects on the fouling potential and can be used to quantitatively determine the TG rejection rate. Moreover, PVDF membranes were found to provide higher fluxes and lower TG rejection rates (81%) than PES membranes (91%).

Original languageEnglish
Pages (from-to)7520-7526
Number of pages7
JournalIndustrial and Engineering Chemistry Research
Volume50
Issue number12
DOIs
Publication statusPublished - 15 Jun 2011

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Ultrafiltration
Fouling
Glycerol
Triglycerides
Membranes
Water
Permeation
Fluxes
Polymeric membranes
Sulfones
Surface chemistry
Fatty acids
Ether
Ethers
Fatty Acids
Molecular weight

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering

Cite this

Influence of triglycerides on fouling of glycerol-water with ultrafiltration membranes. / Indok Nurul Hasyimah, M. A.; Mohammad, Abdul Wahab; Markom, Masturah.

In: Industrial and Engineering Chemistry Research, Vol. 50, No. 12, 15.06.2011, p. 7520-7526.

Research output: Contribution to journalArticle

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