Lab Scale Study of HRT and OLR Optimization in UAS

Lab Scale Study of HRT and OLR Optimization in UASBReactor for Pretreating Fortified Wastewater in VariousOperational TemperaturesAPCBEEProcedia1(2012)90–952212-6708©2012TheAuthors.PublishedbyElsevierB.V.Selectionand/orpeerreviewunderresponsibilityofAsia-PacificChemical,Biological&EnvironmentalEngineeringSocietydoi:10.1016/j.apcbee.2012.03.016ICESD2012:5-7January2012,HongKongLabScaleStudyofHRTandOLROptimizationinUASBReactorforPretreatingFortifiedWastewaterinVariousOperationalTemperaturesSoheilFarajzadehhaa∗,S.A.Mirbagheria,SoroushFarajzadehha,JalalShayeganCivilEngineeringFaculty,KhajeNasirToosiUniversityofTechnology,Tehran,1996715433,IranAbstractThisstudywascarriedoutforexaminationofalab-scaleUASBreactorforoptimizationoforganicloadingrateandhydraulicretentiontimeinvariousoperationaltemperatures.Thetotalvolumeofthereactorwas5lwithaneffectiveheightof160cmanddiameterof5cm.Thisreactorwasusedtotreatfortifiedmunicipalwastewateratvolumetricorganicloadingsof3.6,7.2,10.8,and14.4kgm-3d-1attemper