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Modelling the rejection of N-nitrosamines by a spiral-wound reverse osmosis system: mathematical model development and validation

Journal Article


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Abstract


  • A mathematicalmodelwasdevelopedbasedontheirreversiblethermodynamicprincipleandhydro-

    dynamic calculationtopredicttherejectionofN-nitrosaminesbyspiral-woundreverseosmosis(RO)

    membrane systems.ThedevelopedmodelisabletoaccuratelydescribetherejectionofN-nitrosamines

    under arangeofpermeate flux andsystemrecoveryconditions.ThemodelledN-nitrosaminerejections

    wereingoodagreementwithvaluesobtainedexperimentallyusingapilot-scaleRO filtration system.

    Simulation fromthemodelrevealedthatanincreaseinpermeate flux from10to30L/m2h ledtoan

    increase intherejectionoflowmolecularweightN-nitrosaminessuchasN-nitrosodimethylamine

    (NDMA) (from31%to54%),whichwasvalidatedbyexperimentalresults.Themodellingresultsalso

    revealedthatanincreaseinrecoverycausedadecreaseintherejectionoftheseN-nitrosamines,whichis

    consistent withtheexperimentalresults.FurthermodellinginvestigationssuggestedthatNDMA

    rejection byaspiral-woundsystemcandropfrom49%to35%whentheoverallrecoveryincreased

    from 10%to50%.Themodeldevelopedfromthisstudycanbeausefultoolforwaterutilitiesand

    regulatorsforsystemdesignandevaluatingtheremovalofN-nitrosaminebyROmembranes.

Authors


  •   Fujioka, Takahiro (external author)
  •   Khan, Stuart J. (external author)
  •   McDonald, James A. (external author)
  •   Roux, Annalie (external author)
  •   Poussade, Yvan (external author)
  •   Drewes, Jörg E. (external author)
  •   Nghiem, Long D.

Publication Date


  • 2014

Citation


  • Fujioka, T., Khan, S. J., McDonald, J. A., Roux, A., Poussade, Y., Drewes, J. E. & Nghiem, L. D. (2014). Modelling the rejection of N-nitrosamines by a spiral-wound reverse osmosis system: mathematical model development and validation. Journal of Membrane Science, 454 212-219.

Scopus Eid


  • 2-s2.0-84891650197

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=1143&context=smartpapers

Ro Metadata Url


  • http://ro.uow.edu.au/smartpapers/116

Has Global Citation Frequency


Number Of Pages


  • 7

Start Page


  • 212

End Page


  • 219

Volume


  • 454

Place Of Publication


  • Netherlands

Abstract


  • A mathematicalmodelwasdevelopedbasedontheirreversiblethermodynamicprincipleandhydro-

    dynamic calculationtopredicttherejectionofN-nitrosaminesbyspiral-woundreverseosmosis(RO)

    membrane systems.ThedevelopedmodelisabletoaccuratelydescribetherejectionofN-nitrosamines

    under arangeofpermeate flux andsystemrecoveryconditions.ThemodelledN-nitrosaminerejections

    wereingoodagreementwithvaluesobtainedexperimentallyusingapilot-scaleRO filtration system.

    Simulation fromthemodelrevealedthatanincreaseinpermeate flux from10to30L/m2h ledtoan

    increase intherejectionoflowmolecularweightN-nitrosaminessuchasN-nitrosodimethylamine

    (NDMA) (from31%to54%),whichwasvalidatedbyexperimentalresults.Themodellingresultsalso

    revealedthatanincreaseinrecoverycausedadecreaseintherejectionoftheseN-nitrosamines,whichis

    consistent withtheexperimentalresults.FurthermodellinginvestigationssuggestedthatNDMA

    rejection byaspiral-woundsystemcandropfrom49%to35%whentheoverallrecoveryincreased

    from 10%to50%.Themodeldevelopedfromthisstudycanbeausefultoolforwaterutilitiesand

    regulatorsforsystemdesignandevaluatingtheremovalofN-nitrosaminebyROmembranes.

Authors


  •   Fujioka, Takahiro (external author)
  •   Khan, Stuart J. (external author)
  •   McDonald, James A. (external author)
  •   Roux, Annalie (external author)
  •   Poussade, Yvan (external author)
  •   Drewes, Jörg E. (external author)
  •   Nghiem, Long D.

Publication Date


  • 2014

Citation


  • Fujioka, T., Khan, S. J., McDonald, J. A., Roux, A., Poussade, Y., Drewes, J. E. & Nghiem, L. D. (2014). Modelling the rejection of N-nitrosamines by a spiral-wound reverse osmosis system: mathematical model development and validation. Journal of Membrane Science, 454 212-219.

Scopus Eid


  • 2-s2.0-84891650197

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=1143&context=smartpapers

Ro Metadata Url


  • http://ro.uow.edu.au/smartpapers/116

Has Global Citation Frequency


Number Of Pages


  • 7

Start Page


  • 212

End Page


  • 219

Volume


  • 454

Place Of Publication


  • Netherlands