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1、MOVINGBEDBIOFILMREACTORTECHNOLOGY–AFULL-SCALEINSTALLATIONFORTREATMENTOFPHARMACEUTICALWASTEWATERJohnBrinkley,P.E.,BCEE,ProjectManager,Stearns&Wheler,PLLC,Raleigh,NC*ChandlerH.Johnson,President,AnoxKaldnes,Inc.,Providence,RIRobertSouza,PrincipalEngineer-Utilities,
2、TalecrisBiotherapeutics,Clayton,NCABSTRACTTodaymanywastewatertreatmentfacilitiesarebeingexpandedtoprovideadditionalcapacitybecauseofincreasedflowandorganicloading.Oftenthesefacilitieshavelimitedspaceduetoencroachingdevelopment.Asaresult,processescontinuetobedeve
3、lopedtoaddressthesiteconstraintsfacedbymunicipalandindustrialwastewatertreatmentfacilities.Oneoftheseprocessesisactivatedsludgewithsuspendedfixed-filmpacking,suchastheMovingBedBiofilmReactor(MBBR).MBBRsincorporatebenefitsprovidedbybothfixedfilmandactivatedsludge
4、processes.TheMBBRprocessisacontinuousflowprocesswhichusessmallhighdensitypolyethylene(HDPE)carrierelementstoprovidesitesforactivebacteriaattachmentinasuspendedgrowthmedium.Thisallowsahigherconcentrationofactivebiomasstobemaintainedinthereactorforbiologicaltreatm
5、entwithoutincreasingthereactorsize.Theresultismoretreatmentcapacitywithinagivenreactorvolume,resultinginasmallerfootprintcomparedtoaconventionalactivatedsludgeprocess.Inaddition,unliketheconventionalactivatedsludgeprocessMBBRsdonotrequirereturnactivatedsludgepum
6、ping.TalecrisBiotherapeuticslocatedinClayton,NorthCarolinaisapharmaceuticalproductionfacilitywhichmanufacturesplasmaproductsforthehealthindustry.Theoriginalpretreatmentfacilityincludedanaerobiclagoonwithsolidsrecyclefortreatingthewastewaterfromtheproductionproce
7、ssesbeforedischargingthetreatedeffluenttotheTownofClayton’swastewatercollectionsystem.Thewastewatertreatmentfacilityconsistedofamaceratorequippedwithascreeningauger,twoabovegroundequalizationbasins,anearthenaeratedlagoon,twosecondaryclarifiers,andanaeratedsludge
8、holdingbasin.Thefacilityusesacontracthaulerfordisposalofthewasteactivatedsludge.TalecrisBiotherapeuticsplannedtoexpandtheirplasmaproductionoperationintheareawherethea
