两级UASB-A_O工艺处理垃圾渗滤液并实现短程脱氮（英文）

两级UASB-A_O工艺处理垃圾渗滤液并实现短程脱氮（英文）Energy,ResourcesandEnvironmentalTechnologyAdvancednitrogenremovalvianitritefrommunicipallandfillleachateusingatwo-stageUASB–A/Osystem☆LinaWu1,2,YongzhenPeng3,⁎,XiaoShi1,ChengyaoPeng3,JieZhang21BeijingInstituteofPetrochemicalTechnology,Beijing102617,China2SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China3KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentRecoveryEngineering,BeijingUniversityofTechnology,Beijing100124,ChinaabstractarticleinfoArticlehistory:Received12December2014Receivedinrevisedform27February2015Accepted17April2015Availableonline30May2015Keywords:LandfillleachatePartialnitrificationFreeammoniaFreenitrousacidLowtemperatureAsystemconsistingofatwo-stageup-flowanaerobicsludgeblanket(UASB)reactorandananoxic/aerobic(A/O)reactorwasusedtotreatmunicipallandfillleachate.DenitrificationtookplaceinthefirststageoftheUASBre-actor(UASB1).ThechemicaloxygendemandoftheUASB1effluentwasfurtherdecreasedinthes