Optimizing IFAS and MBBR Designs Using Full-Scale

Optimizing IFAS and MBBR Designs Using Full-Scale DataOptimizingIFASandMBBRDesignsUsingFull-ScaleDataHeatherM.Phillips1*,MarkMaxwell1,TerryJohnson1,JamesBarnard1,KenRutt2,JimSeda2,BlairCorning3,JMGrebenc3,NatalieLove3,StephenEllis31Black&VeatchCorporation2CityandCountyofBroomfield,Colorado3SouthAdamsCounty(Colorado)WaterandSanitationDistrict*Towhomcorrespondenceshouldbeaddressed.Email:phillipshm@bv.com.ABSTRACTPowerfulmodelsandawealthoffull-scaledataareavailablefordesigningintegratedfixedfilmactivatedsludge(IFAS)andmovingbedbiofilmreactor(MBBR)facilitiestodaythatwerenotavailabletenyearsago.Thequestionnowisnot“howmuchmediaisneeded?”but“howcanweminimizecostsandmaximizeplantcapacitybyplacingtherightamountofmediaintherightplace?”TheIFASfacilityinBroomfield,Colorado,andtheMBBRfacilityattheWilliamsMonacoWastewaterTreatmentPlant(WWTP)inSouthAdamsCounty,Colorado,havebeeninserviceforoverfouryears.Operatorshavedocumentedbiomassquantitiesandnutrientprofileswithinindividualzonesovertheyears,andthi