State Of The Art In Europe Of The Moving Bed Biofi

State Of The Art In Europe Of The Moving Bed Biofilm Reactor (Mbbr) ProcessWEFTEC®2004STATEOFTHEARTINEUROPEOFTHEMOVINGBEDBIOFILMREACTOR(MBBR)PROCESSHallvardØdegaard1,BjørnRustenandFlemmingWessman1NorwegianUniversityofScienceandTechnology(NTNU)DepartmentofHydraulicandEnvironmentalEngineeringNO-7491Trondheim,NORWAYABSTRACTThepaperdescribesthemovingbedbiofilmreactor(MBBR)andpresentsapplicationsofwastewatertreatmentprocessesinwhichthisreactorisused.TheMBBRprocesseshavebeenextensivelyusedforBOD/COD-removalaswellasfornitrificationanddenitrificationinmunicipalaswellasindustrialwastewatertreatment.Thispaperfocusesonthemunicipalapplications.Themostfrequentprocesscombinationsarepresentedanddiscussed.Basicdesigndataobtainedthroughresearchaswellasdatafrompracticaloperationofvariousplantsarepresented.ItisdemonstratedthattheMBBRmaybeusedinanextremelycompacthigh-rateprocess(<1htotalHRT)forsecondarytreatment.MostEuropeanplantsrequireP-removalandperformancedatafromplantscombiningMBBRandchemicalprecipit