The use of ultrafiltration and nanofiltration membranes in the treatment of metal-working fluids

Nidal Hilal, Gerald Busca, Nick Hankins, Abdul Wahab Mohammad

    Research output: Contribution to journalArticle

    Abstract

    Membrane filtration is used for separating oil from water and treating waste metal-working fluids. This work presents two different filtration systems and investigates the possibility of reusing their permeates. The first system consists of an ultrafiltration membrane (UF) followed by a nanofiltration membrane (NF). In this case, two types of PVDF ultrafiltration membranes, of 200 kD and 100 kD molecular weight cut-off, are used. The second system consists of direct filtration of the metal-working fluids by a nanofiltration membrane. Filtration experiments are carried out in a large-scale, semi-batch process of volume 200 1. The performance of each filtration system is discussed and compared. The permeate resulting from each system is used to prepare fresh metal-working fluid, to simulate the reuse of water in the manufacturing process. Characterisation tests, such as foaming and emulsion stability, are compared for the same metal-working emulsion when made with tap water in order to assess the feasibility of such water reuse.

    Original languageEnglish (US)
    Pages (from-to)227-238
    Number of pages12
    JournalDesalination
    Volume167
    Issue number1-3
    DOIs
    StatePublished - Aug 15 2004

    Fingerprint

    Metal working
    Nanofiltration membranes
    Ultrafiltration
    ultrafiltration
    membrane
    Fluids
    fluid
    Water
    emulsion
    Emulsions
    Membranes
    water
    Oils
    manufacturing
    Molecular weight
    metal working
    oil
    experiment
    Experiments

    Keywords

    • Metal-working fluids
    • Nanofiltration
    • Reuse
    • Ultrafiltration

    ASJC Scopus subject areas

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

    Cite this

    The use of ultrafiltration and nanofiltration membranes in the treatment of metal-working fluids. / Hilal, Nidal; Busca, Gerald; Hankins, Nick; Mohammad, Abdul Wahab.

    In: Desalination, Vol. 167, No. 1-3, 15.08.2004, p. 227-238.

    Research output: Contribution to journalArticle

    Hilal, Nidal ; Busca, Gerald ; Hankins, Nick ; Mohammad, Abdul Wahab. / The use of ultrafiltration and nanofiltration membranes in the treatment of metal-working fluids. In: Desalination. 2004 ; Vol. 167, No. 1-3. pp. 227-238.
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