高速部分硝化处理废水作为厌氧铵氧化的预处理（anammox）

High-ratepartialnitrificationtreatmentofrejectwaterasapretreatmentforanaerobicammoniumoxidation(anammox)LiZhanga,⇑,JiachunYanga,DaisukeHiraa,TakaoFujiib,KenjiFurukawaaaGraduateSchoolofScienceandTechnology,KumamotoUniversity,2-39-1Kurokami,Kumamoto860-8555,JapanbDepartmentofAppliedLifeScience,FacultyofEngineering,SojoUniversity,4-22-1Ikeda,Kumamoto860-0082,JapanarticleinfoArticlehistory:Received8September2010Receivedinrevisedform28November2010Accepted1December2010Availableonline7December2010Keywords:PartialnitrificationRejectwaterDOconcentrationAnammoxAlkalinityabstractInthisstudy,alab-scaleswim-bedpartialnitrificationreactorwasdevelopedtotreatammonium-richrejectwatertoachieveanappropriateNO�2-N=NHþ4-Nmixturethatcouldserveasapretreatmentforanaerobicammoniumoxidation(anammox).StrictlycontrollingtheDOconcentrationwasadoptedasthemainoperationalstrategy.Inaddition,theinfluentconcentrationsofinorganiccarbon/ammoniumðIC=NHþ4Þandalkalinity/ammoniumðAlk=NHþ4Þthatwereapproximately0.8and4.8,respecti