The fouling phenomenon in membrane bioreactors: model description and strategies for energy saving

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Abstract

Membrane fouling represents one of the major crucial issues for membrane bioreactor (MBR). Membrane fouling and high aeration requirements (for inducing shear stress to limit fouling) make MBR operation economically demanding due to high energy costs. Although several studies on MBR fouling have been performed, a comprehensive knowledge on how to reduce membrane fouling and consequently energy saving is still lacking. Two scenarios are analyzed and compared each implementing different operating conditions. As expected, MBR operation at low air flow rate (qa) leads to a substantial reduction of the operational costs (namely, 20% respect to the suggested manufacturers ones in terms of qa).
Lingua originaleEnglish
Titolo della pubblicazione ospiteAdvanced course: innovative wastewater treatment and mathematical modelling
Pagine156-177
Numero di pagine22
Stato di pubblicazionePublished - 2015

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