Analysis of deposition mechanism during ultrafiltration of glycerin-rich solutions

Indok Nurul Hasyimah Mohd Amin, Abdul Wahab Mohammad, Mastura Markom, Leo Choe Peng, Nidal Hilal

    Research output: Contribution to journalArticle

    Abstract

    Clarification of glycerin-rich solution is one of the potential applications of membrane within the oleochemical industry. However, one of the barriers in successfully utilizing the use of membranes such as ultrafiltration (UF) has been due to the fouling. In this work, flux decline during ultrafiltration of the glycerin-rich solutions was studied by using commercialized polymeric polyethersulphone (PES) membrane. Influence of fatty acids as foulants model (palmitic acid, stearic acid and oleic acid), pH of feed solution (3-10) and molecular weight cut-off (5 kDa, 20 kDa and 25 kDa) were analyzed. All the experiments were performed at constant pressure (2 bar) and temperature (40 °C). The Hermia's model was used to analyze the fouling mechanism during the flux decline which involve cake layermodel due to adsorption of solute aswell as pore blockingmodel. All the different types of flux decline kinetics were found to occur during the permeation of glycerin-rich solutions. However, the contribution of resistance due to cake layer formation was small for all the conditions studied. The fouling mechanisms were found to depend on the hydrophobicity of the PES membrane itself as well as the nature of foulants used in the study.

    Original languageEnglish (US)
    Pages (from-to)313-320
    Number of pages8
    JournalDesalination
    Volume261
    Issue number3
    DOIs
    StatePublished - Jan 1 2010

    Fingerprint

    Ultrafiltration
    ultrafiltration
    Glycerol
    Fouling
    fouling
    membrane
    Fluxes
    Membranes
    acid
    Palmitic acid
    Polymeric membranes
    Stearic acid
    Palmitic Acid
    Oleic acid
    hydrophobicity
    Oleic Acid
    Hydrophobicity
    Fatty acids
    Permeation
    solute

    Keywords

    • Blocking mechanism
    • Flux decline
    • Fouling
    • Glycerin

    ASJC Scopus subject areas

    • Chemistry(all)
    • Chemical Engineering(all)
    • Materials Science(all)
    • Water Science and Technology
    • Mechanical Engineering

    Cite this

    Amin, I. N. H. M., Mohammad, A. W., Markom, M., Peng, L. C., & Hilal, N. (2010). Analysis of deposition mechanism during ultrafiltration of glycerin-rich solutions. Desalination, 261(3), 313-320. https://doi.org/10.1016/j.desal.2010.04.016

    Analysis of deposition mechanism during ultrafiltration of glycerin-rich solutions. / Amin, Indok Nurul Hasyimah Mohd; Mohammad, Abdul Wahab; Markom, Mastura; Peng, Leo Choe; Hilal, Nidal.

    In: Desalination, Vol. 261, No. 3, 01.01.2010, p. 313-320.

    Research output: Contribution to journalArticle

    Amin, INHM, Mohammad, AW, Markom, M, Peng, LC & Hilal, N 2010, 'Analysis of deposition mechanism during ultrafiltration of glycerin-rich solutions', Desalination, vol. 261, no. 3, pp. 313-320. https://doi.org/10.1016/j.desal.2010.04.016
    Amin, Indok Nurul Hasyimah Mohd ; Mohammad, Abdul Wahab ; Markom, Mastura ; Peng, Leo Choe ; Hilal, Nidal. / Analysis of deposition mechanism during ultrafiltration of glycerin-rich solutions. In: Desalination. 2010 ; Vol. 261, No. 3. pp. 313-320.
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