Description of membrane fouling characteristics during ultrafiltration of organic foulants contained in sweetwater solutions

Indok Nurul Hasyimah Mohd Amin, Abdul Wahab Mohammad, Nidal Hilal

    Research output: Contribution to journalArticle

    Abstract

    The characterization and the filtration behavior of commercial ultrafiltration (UF) membranes used in the removal of triglycerides (TG) and combined mixtures (TG-fatty acid) from glycerol-water solution were examined. Flat sheet ultrafiltration (UF) polyethersulfone and polyvinylidenfluoride membranes were used for comparison. Glycerol-water solutions were synthesized as feed and the influences of membrane surface chemistry and pH solutions were studied. Fouling behavior of TG and TG-FA were analyzed by scanning electron microscopy (SEM), atomic force microscopy (AFM), Fourier transform spectroscopy (FTIR), contact angle and surface energy measurement. Results from this work reveal that hydrophobic surfaces are more prone to TG and FA deposition than less hydrophobic surfaces in glycerol-water mixture. SEM morphologies and cross structure as well as FTIR spectrums revealed that the membranes were severely fouled with TG (oil droplets) instead of TG-FA. Further, contact angle measurements obtained in this work showed that the angles tended to decrease with oil wetted material and in acidic conditions.

    Original languageEnglish (US)
    Pages (from-to)1243-1251
    Number of pages9
    JournalJournal of Environmental Chemical Engineering
    Volume2
    Issue number3
    DOIs
    StatePublished - Jan 1 2014

    Fingerprint

    Membrane fouling
    Ultrafiltration
    ultrafiltration
    fouling
    Triglycerides
    membrane
    Glycerol
    Membranes
    scanning electron microscopy
    atomic force microscopy
    oil
    Contact angle
    surface energy
    Water
    FTIR spectroscopy
    water
    Oils
    Fourier transform
    droplet
    fatty acid

    Keywords

    • Fouling
    • Interfacial behavior
    • Triglyceride
    • Ultrafiltration
    • Wettability

    ASJC Scopus subject areas

    • Chemical Engineering (miscellaneous)
    • Waste Management and Disposal
    • Pollution
    • Process Chemistry and Technology

    Cite this

    Description of membrane fouling characteristics during ultrafiltration of organic foulants contained in sweetwater solutions. / Hasyimah Mohd Amin, Indok Nurul; Mohammad, Abdul Wahab; Hilal, Nidal.

    In: Journal of Environmental Chemical Engineering, Vol. 2, No. 3, 01.01.2014, p. 1243-1251.

    Research output: Contribution to journalArticle

    Hasyimah Mohd Amin, Indok Nurul ; Mohammad, Abdul Wahab ; Hilal, Nidal. / Description of membrane fouling characteristics during ultrafiltration of organic foulants contained in sweetwater solutions. In: Journal of Environmental Chemical Engineering. 2014 ; Vol. 2, No. 3. pp. 1243-1251.
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