2-anammox合适温度

2-anammox合适温度RESEARCHLETTERNitrogenremovalperformanceusinganaerobicammoniumoxidationatlowtemperaturesKazuichiIsaka1,YasuhiroDate2,YuyaKimura1,TatsuoSumino1&SatoshiTsuneda21HitachiPlantTechnologiesLtd,Matsudo,Chiba,Japan;and2DepartmentofChemicalEngineering,WasedaUniversity,Shinjuku-ku,Tokyo,JapanCorrespondence:KazuichiIsaka,HitachiPlantTechnologies,Ltd.,Kami-Hongo537,Matsudo,Chiba271-0064,Japan.Tel.:181473616103;fax:181473616107;e-mail:kazuichi.isaka.mp@hitachi-pt.comReceived11July2007;accepted14January2008.Firstpublishedonline18March2008.DOI:10.1111/j.1574-6968.2008.01095.xEditor:MarietHeftingKeywordsanammox;anaerobic;ammonium;lowtemperature;immobilization;gelentrapment.AbstractAnanaerobicammoniumoxidation(anammox)processforammonia-richwaste-watertreatmenthasnotbeenreportedattemperaturesbelow151C.Thisstudyusedagelcarrierwithentrappedanammoxbacteriatoobtainastablenitrogenremovalperformanceatlowtemperatures.Inacontinuousfeedingtest,ahighnitrogenconversionrate(6.2kgNm�3day�1)wasconfirmeda