The application of Monod equation to denitrificati

The application of Monod equation to denitrification kinetics description in the moving bed biofilm reactor (MBBR)Vol.:(0123456789)13InternationalJournalofEnvironmentalScienceandTechnologyhttps://doi.org/10.1007/s13762-018-1829-1ORIGINALPAPERTheapplicationofMonodequationtodenitrificationkineticsdescriptioninthemovingbedbiofilmreactor(MBBR)L.Kopec1·A.Kopec2·J.Drewnowski3Received:11July2017/Revised:5March2018/Accepted:11May2018©TheAuthor(s)2018AbstractInthispaper,thekineticconstantsVmaxandKCODoccurringintheMonodequation,whichdescribethedenitrificationprocessinthemovingbed,aredetermined.Forthispurpose,alaboratorymovingbedbiofilmreactor(MBBR)wasused.ThefillingofthereactorconsistedofEvUPerlcarriers.Theexperimentwascarriedoutwithanexcessofnitrate,anddenitrificationratewasdependentontheconcentrationofexternalorganiccarbon,whichconstitutedtheBrenntaPluspreparation.Deter-minationofconstantswasmadebyHofstee–Eadiemethod,wherebytherewasobtained:Vmax=0.78gNO3−–N/gD.M./dayandKCOD=16.97gO2/m3.ThenewM