Search results for "Aeration efficiency"

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Effect of biomass features on oxygen transfer in conventional activated sludge and membrane bioreactor systems

2019

Abstract The aim of the present study was to compare the oxygen transfer efficiency in a conventional activated sludge and a membrane bioreactor system. The oxygen transfer was evaluated by means of the oxygen transfer coefficient and α-factor calculation, under different total suspended solids concentration, extracellular polymeric substances, sludge apparent viscosity and size of the flocs. The oxygen transfer coefficient and α-factor showed an exponential decreasing trend with total suspended solid, with a stronger oxygen transfer coefficient dependence in the conventional activated sludge compared to the membrane bioreactor. It was noted that the oxygen transfer coefficient in the conve…

Aeration efficiency activated sludge properties EPS Membrane Bioreactor Oxygen transferSuspended solidsMembrane reactorSettore ICAR/03 - Ingegneria Sanitaria-AmbientaleRenewable Energy Sustainability and the EnvironmentChemistry020209 energyStrategy and Management05 social scienceschemistry.chemical_element02 engineering and technologyApparent viscosityMembrane bioreactorNitrogenIndustrial and Manufacturing EngineeringEnergy consumptionActivated sludgeExtracellular polymeric substanceChemical engineering050501 criminology0202 electrical engineering electronic engineering information engineering0505 lawGeneral Environmental ScienceTotal suspended solids

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