Characterization methods of thin film composite nanofiltration membranes

W. J. Lau, A. F. Ismail, P. S. Goh, Nidal Hilal, B. S. Ooi

    Research output: Contribution to journalReview article

    Abstract

    This review provides a comprehensive survey on the characterization methods used to study the properties and performances of thin film composite nanofiltration (NF) membranes in water separation processes. In general, the intrinsic properties of NF membranes are characterized with respect to chemical properties and physical properties using various analytical instruments. For instance, FTIR spectroscope, zeta potential analyzer, XPS, XRD, and NMR spectroscope are some of the widely used instruments to evaluate the membrane chemical properties while SEM, FESEM, TEM, AFM, contact angle goniometer, and positron annihilation spectroscopy are those that have been commonly employed to study the membrane structural properties. With respect to permeability and selectivity, NF membranes are generally characterized through filtration experiments using appropriate feed properties under specific testing conditions. Furthermore, this review also covers the characterization techniques used to study the resistance of NF membranes against chlorination, solvent, thermal, and fouling. These resistance tests can be individually conducted, depending on the practical applications of the membranes. Overall, this review attempts to give readers insights into the experimental planning and subsequent interpretation of the above-mentioned characterization techniques. It is also expected to help new researchers in the field of NF to quickly learn various NF characterization methods.

    Original languageEnglish (US)
    Pages (from-to)135-156
    Number of pages22
    JournalSeparation and Purification Reviews
    Volume44
    Issue number2
    DOIs
    StatePublished - Jan 1 2015

    Fingerprint

    Nanofiltration membranes
    Composite membranes
    Thin films
    Nanofiltration
    Membranes
    Chemical properties
    Positron annihilation spectroscopy
    Goniometers
    Chlorination
    Zeta potential
    Fouling
    Contact angle
    Structural properties
    X ray photoelectron spectroscopy
    Physical properties
    Nuclear magnetic resonance
    Transmission electron microscopy
    Planning
    Scanning electron microscopy
    Water

    Keywords

    • Characterization
    • Chemical and physical properties
    • Nanofiltration
    • Permeability
    • Selectivity
    • Stability
    • Thin film composite membrane

    ASJC Scopus subject areas

    • Analytical Chemistry
    • Filtration and Separation

    Cite this

    Characterization methods of thin film composite nanofiltration membranes. / Lau, W. J.; Ismail, A. F.; Goh, P. S.; Hilal, Nidal; Ooi, B. S.

    In: Separation and Purification Reviews, Vol. 44, No. 2, 01.01.2015, p. 135-156.

    Research output: Contribution to journalReview article

    Lau, W. J. ; Ismail, A. F. ; Goh, P. S. ; Hilal, Nidal ; Ooi, B. S. / Characterization methods of thin film composite nanofiltration membranes. In: Separation and Purification Reviews. 2015 ; Vol. 44, No. 2. pp. 135-156.
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