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Membrane fouling in the nanofiltration of landfill leachate and its impact on trace contaminant removal

Journal Article


Abstract


  • Nanofiltration (NF) is an attractive option for the treatment of

    landfill leachate. However, membrane fouling can be a major obstacle in the

    implementation of this technology. In this study, bench-scale filtration

    experiments were carried out to study the fouling behaviour during the NF of a

    synthetic landfill leachate. The results indicate that calcium in combination

    with organic matter could play a major role in governing the fouling process.

    Membrane fouling depended on the calcium concentration in the feed solution.

    Moreover, the results also indicate a significant influence of membrane fouling

    on the retention of Bisphenol A (BPA). It was hypothesised that pore blocking

    and the presence of the fouling layer resulted in an enhanced sieving effect,

    which subsequently increased the retention of BPA. On the other hand, cake

    layer enhanced concentration polarisation could hinder BPA from back

    diffusing into the bulk solution, which would eventually result in a lower BPA

    retention.

Authors


  •   Vogel, Dirk (external author)
  •   Bilitewski, Bernd (external author)
  •   Nghiem, Long D.

Publication Date


  • 2007

Citation


  • Vogel, D., Bilitewski, B. & Nghiem, L. D. (2007). Membrane fouling in the nanofiltration of landfill leachate and its impact on trace contaminant removal. International Journal of Environment and Waste Management, 1 (4), 338-350.

Ro Metadata Url


  • http://ro.uow.edu.au/engpapers/4142

Number Of Pages


  • 12

Start Page


  • 338

End Page


  • 350

Volume


  • 1

Issue


  • 4

Abstract


  • Nanofiltration (NF) is an attractive option for the treatment of

    landfill leachate. However, membrane fouling can be a major obstacle in the

    implementation of this technology. In this study, bench-scale filtration

    experiments were carried out to study the fouling behaviour during the NF of a

    synthetic landfill leachate. The results indicate that calcium in combination

    with organic matter could play a major role in governing the fouling process.

    Membrane fouling depended on the calcium concentration in the feed solution.

    Moreover, the results also indicate a significant influence of membrane fouling

    on the retention of Bisphenol A (BPA). It was hypothesised that pore blocking

    and the presence of the fouling layer resulted in an enhanced sieving effect,

    which subsequently increased the retention of BPA. On the other hand, cake

    layer enhanced concentration polarisation could hinder BPA from back

    diffusing into the bulk solution, which would eventually result in a lower BPA

    retention.

Authors


  •   Vogel, Dirk (external author)
  •   Bilitewski, Bernd (external author)
  •   Nghiem, Long D.

Publication Date


  • 2007

Citation


  • Vogel, D., Bilitewski, B. & Nghiem, L. D. (2007). Membrane fouling in the nanofiltration of landfill leachate and its impact on trace contaminant removal. International Journal of Environment and Waste Management, 1 (4), 338-350.

Ro Metadata Url


  • http://ro.uow.edu.au/engpapers/4142

Number Of Pages


  • 12

Start Page


  • 338

End Page


  • 350

Volume


  • 1

Issue


  • 4