序批式生物膜法的脱氮特性及机理研究

序批式生物膜法的脱氮特性及机理研究文章编号:025322468(2002)20320320204中图分类号:X703文献标识码:A序批式生物膜法的脱氮特性及机理研究李军1,杨秀山2,聂梅生3,王宝贞3(1.北京工业大学建筑工程学院,北京,100022;2.首都师范大学生物系,北京,100037;3.哈尔滨工业大学市政与环境工程学院,哈尔滨,150008)摘要:对序批式生物膜法工艺中所表现出来的脱氮特性进行了探讨,并提出了过量储存2SND脱氮作用机理.厌氧段脱氮主要靠生物膜对含碳氮有机物的过量储存作用;好氧段脱氮主要靠生物膜的SND作用,反硝化的有机碳源主要为生物膜中在厌氧段过量储存的有机碳源.关键词:序批式;生物脱氮;SND;过量储存Characteristicsandmechanismstudiesontheremovalofnitrogeninse2quencingbatchreactorofsubmergedbiofilmprocessLIJun1,YANGXiushan2,NIEMeisheng3,WANGBaozhen3(1.CollegeofCivilEngineering&Architecture,BeijingPolytechnicUniversity,Beijing,100022;2.BiologicalDepartment,CapitalNormalUniversity,Beijing,100037;3.CollegeofMunicipal&EnvironmentalEngineering,HarbinUniversityofTechnology,Harbin,150008)Abstract:Thenitrogenremovalcharacteristicsinsequencingbatchreactorofsubmergedbiofilmprocesswerestudedandthemechanismofoverstorage—nitrogenremovalwithSNDwassetup.Theresultsindicatedthatnitrogenremovalintheanaerobicphrasedependedlargelyontheoverstoragefunctionofthebiofilmtothecarbonaceousandn