Use of activated carbon to polish effluent from metalworking treatment plant

Comparison of different streams

Nidal Hilal, Gerald Busca, Fernando Rozada, Nick Hankins

    Research output: Contribution to journalArticle

    Abstract

    The treatment of waste metalworking fluids produces an aqueous phase which exhibits a high Chemical Oxygen Demand (COD) and which contains toxic components. In this work, the treatment plant includes ultrafiltration and nanofiltration membranes followed by a bioreactor and a microfiltration system. The product is a clear yellow aqueous phase containing residual levels of COD. Activated carbon is used in this work to eliminate residual dissolved organic compounds remaining after the treatment plant. Activated carbon treatment is tested at three different stages: after nanofiltration, to treat a nano-permeate; after the bioreactor, to treat bio-permeate containing biological materials; and finally after microfiltration, to treat the bio-permeate without microorganisms. The efficiency of activated carbon after each stage is studied and the results are compared. The adsorption experiments were carried out in two modes. Firstly, a batch system was used to investigate the adsorption capacity of the adsorbent and fit model isotherms. Secondly, fixed continuous systems were set-up, and the feasibility of a real treatment of such effluents was assessed.

    Original languageEnglish (US)
    Pages (from-to)297-306
    Number of pages10
    JournalDesalination
    Volume185
    Issue number1-3
    DOIs
    StatePublished - May 22 2005

    Fingerprint

    Industrial Oils
    Microfiltration
    Chemical oxygen demand
    Bioreactors
    Activated carbon
    activated carbon
    Effluents
    Activated carbon treatment
    effluent
    Adsorption
    Nanofiltration membranes
    chemical oxygen demand
    bioreactor
    Nanofiltration
    Poisons
    Ultrafiltration
    Organic compounds
    Microorganisms
    Biological materials
    Adsorbents

    Keywords

    • Activated carbon
    • Biodegradation
    • Metalworking fluids
    • Nanofiltration
    • Ultrafiltration

    ASJC Scopus subject areas

    • Filtration and Separation

    Cite this

    Use of activated carbon to polish effluent from metalworking treatment plant : Comparison of different streams. / Hilal, Nidal; Busca, Gerald; Rozada, Fernando; Hankins, Nick.

    In: Desalination, Vol. 185, No. 1-3, 22.05.2005, p. 297-306.

    Research output: Contribution to journalArticle

    Hilal, Nidal ; Busca, Gerald ; Rozada, Fernando ; Hankins, Nick. / Use of activated carbon to polish effluent from metalworking treatment plant : Comparison of different streams. In: Desalination. 2005 ; Vol. 185, No. 1-3. pp. 297-306.
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