Quantify the contribution of anammox for enhanced nitrogen removal through metagenomic analysis and

Quantify the contribution of anammox for enhanced nitrogen removal through metagenomic analysis and mass balance in an anoxic moving bed biofilm reactorQuantifythecontributionofanammoxforenhancednitrogenremovalthroughmetagenomicanalysisandmassbalanceinananoxicmovingbedbiofilmreactorJianweiLia,YongzhenPenga,*,LiangZhanga,JinjinLiua,XiaodanWanga,RuitaoGaoa,LuPangb,YaxuZhoubaNationalEngineeringLaboratoryforAdvancedMunicipalWastewaterTreatmentandReuseTechnology,EngineeringResearchCenterofBeijing,BeijingUniversityofTechnology,Beijing,100124,PRChinabXi'anWaterGroupCompanyLimited,Shaanxi,710018,PRChinaarticleinfoArticlehistory:Received19January2019Receivedinrevisedform14May2019Accepted21May2019Availableonline22May2019Keywords:BiologicalnitrogenremovalAnammoxAnoxic-carrierbiofilmsLowC/NratioMetagenomicanalysisMunicipalwastewaterabstractInthisstudy,enhancednitrogenremovalthroughinsituenrichmentofanammoxbacteriawassuc-cessfullyobtainedinafull-scalemunicipalwastewatertreatmentplant(WWTP).TheWWTPw