在单个反应器中同时进行部分硝化，ANAMMOX和脱氮（SAND）工艺以进行除氮

Thedevelopmentofsimultaneouspartialnitrification,ANAMMOXanddenitrification(SNAD)processinasinglereactorfornitrogenremovalHuihuiChen,SitongLiu,FenglinYang*,YuanXue,TaoWangKeyLaboratoryofIndustrialEcologyandEnvironmentalEngineering,MOE,SchoolofEnvironmentalandBiologicalScienceandTechnology,DalianUniversityofTechnology,Dalian116024,PRChinaarticleinfoArticlehistory:Received16July2008Receivedinrevisedform28August2008Accepted2September2008Availableonline5November2008Keywords:SimultaneousnitrogenandCODremovalANAMMOXPartialnitrificationDenitrificationBiofilmabstractThesimultaneouspartialnitrification,ANAMMOXanddenitrification(SNAD)processwasvalidatedtopotentiallyremoveammoniumandCODfromwastewaterinasingle,oxygen-limited,non-wovenrotat-ingbiologicalcontactor(NRBC)reactor.Anammoniumconversionefficiencyof79%,TNremovaleffi-ciencyof70%andCODremovalefficiencyof94%wereobtainedwiththenitrogenandCODloadingrateof0.69kgN/m3dand0.34kg/m3d,respectively.Scanningelectronmicroscopy(SEM)observationandfluorescenceinsituh