Enhanced denitrification in Downflow Hanging Spong

Enhanced denitrification in Downflow Hanging Sponge reactors fordecentralised domestic wastewater treatmentEnhanceddenitrificationinDownflowHangingSpongereactorsfordecentraliseddomesticwastewatertreatmentCatherineA.Bundya,1,DongWua,b,1,Mui-ChooJonga,1,StephenR.Edwardsa,ZiauddinS.Ahammadc,DavidW.Grahama,⇑aSchoolofCivilEngineering&Geosciences,NewcastleUniversity,NewcastleuponTyne,UnitedKingdombKeyLaboratoryforUrbanEcologicalProcessesandEco-Restoration,SchoolofEcologicalandEnvironmentalScience,EastChinaNormalUniversity,Shanghai,ChinacDepartmentofBiochemicalEngineeringandBiotechnology,IndianInstituteofTechnologyDelhi,HauzKhas,NewDelhi,Indiahighlights�PastDownflowHangingSponge(DHS)designshavedisplayedlimiteddenitrification.�PoordenitrificationoccursduetoC-limitationandexcessDOinlowersponges.�ArawwastewaterbypasswasintroducedtoprovideadditionalCandreduceDO.�CODandTNremovalratesof>84%and�74%wereachievedwitha30%v/vbypass.�DHSreactorswithbypassaresuitablefordecentralisedtreatmentapplications.gr