A comprehensive review of nanofiltration membranes

Treatment, pretreatment, modelling, and atomic force microscopy

Nidal Hilal, H. Al-Zoubi, N. A. Darwish, A. W. Mohammad, M. Abu Arabi

    Research output: Contribution to journalArticle

    Abstract

    Nanofiltration membranes (NF) have applications in several areas. One of the main applications has been in watertreatment for drinking water production as well as wastewater treatment. NF can either be used to treat all kinds of water including ground, surface, and wastewater or used as a pretreatment for desalination. The introduction of NF as a pretreatment is considered a breakthrough for the desalination process. NF membranes have been shown to be able to remove turbidity, microorganisms and hardness, as well as a fraction of the dissolved salts. This results in a significantly lower operating pressure and thus provides a much more energy-efficient process. Similar to other membrane processes, a major problem in NF membrane applications is fouling. Several studies have investigated the mechanisms of fouling in NF membranes and suggested methods to minimize and control the fouling of NF membranes. For NF membrane characterizations and process prediction, modeling of NF processes and the use of atomic force microscopy (AFM) are very important. The ability to predict the performance of NF processes will lead to a lower number of experiments, saving of time and money, and help to understand the separation mechanisms during NF. A comprehensive review of NF in water treatments is presented including a review of the applications of NF in treating water as well as in the pretreatment process for desalination; the mechanism as well as minimization of NF membrane fouling problems; and theories for modelling and transport of salt, charged and noncharged organic compounds in NF membranes. The review will also address the application of AFM in studying the morphology of membrane surfaces as part of the NF membrane characterization.

    Original languageEnglish (US)
    Pages (from-to)281-308
    Number of pages28
    JournalDesalination
    Volume170
    Issue number3
    DOIs
    StatePublished - Nov 5 2004

    Fingerprint

    Nanofiltration membranes
    atomic force microscopy
    Atomic force microscopy
    membrane
    modeling
    Membranes
    Desalination
    Fouling
    fouling
    desalination
    Salts
    Membrane fouling
    Turbidity

    Keywords

    • Atomic force microscopy
    • Desalination
    • Fouling
    • Modeling
    • Nanofiltration
    • Pretreatment

    ASJC Scopus subject areas

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

    Cite this

    A comprehensive review of nanofiltration membranes : Treatment, pretreatment, modelling, and atomic force microscopy. / Hilal, Nidal; Al-Zoubi, H.; Darwish, N. A.; Mohammad, A. W.; Abu Arabi, M.

    In: Desalination, Vol. 170, No. 3, 05.11.2004, p. 281-308.

    Research output: Contribution to journalArticle

    Hilal, Nidal ; Al-Zoubi, H. ; Darwish, N. A. ; Mohammad, A. W. ; Abu Arabi, M. / A comprehensive review of nanofiltration membranes : Treatment, pretreatment, modelling, and atomic force microscopy. In: Desalination. 2004 ; Vol. 170, No. 3. pp. 281-308.
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