Anaerobic-up-flow-fluidized-bed-reactor-performanc

Anaerobic-up-flow-fluidized-bed-reactor-performance-as-a-primary_2016_HBRC-JAnaerobicupflowfluidizedbedreactorperformanceasaprimarytreatmentunitindomesticwastewatertreatmentM.A.Moharram*,H.S.Abdelhalim,E.H.RozaikSanitaryEngineering,CairoUniversity,Giza,EgyptReceived28May2014;revised22July2014;accepted3September2014KEYWORDSAnaerobicwastewatertreatment;Anaerobicfluidizedbedreactors;Biogasproduction;UpflowanaerobicsludgebedreactorUASBAbstractThefluidizedbedUASBperformancewasstudiedinthisexperimentasaprimaryunittheanaerobicunittheadvantageofbettergeneratedsludgecharacteristicsandsmallertankvolume.Thereactorperformancewasinvestigatedforthetreatmentofdomesticwastewaterwithunex-pectedindustrialwaterflowsatdifferentoperationaltemperatures(14–25�C)andloadingrates.ForeachtemperaturerangethereactorperformancewasstudiedunderdifferenthydraulicloadingsHRT(6,4,2.5h).ThebestmethaneyieldrateandCODtotalremovalrateare0.285l/gCODtotaland70.82%respectivelyatwarmworkingtemperature19�CwithOLR7.76kgCOD/m3/day