丝状菌对好氧颗粒污泥形成的影响_林勇山

丝状菌对好氧颗粒污泥形成的影响_林勇山丝状菌对好氧颗粒污泥形成的影响林勇山濮文虹杨昌柱刘宏波袁锦洲张洋(华中科技大学环境科学与工程学院,武汉430074)摘要:通过在SBR中分别接种85%的絮状活性污泥和15%的丝状菌,采用以葡萄糖为碳源配制的人工模拟进水,研究丝状菌对好氧颗粒污泥形成的影响。结果在15d内培养出理化性能良好的好氧颗粒污泥,表明丝状菌能够加快好氧颗粒污泥的形成。反应器运行期间,COD、NH+4-N、总氮和总磷的平均去除率分别为80.0%、86.9%、70.0%和42.5%,且出水水质稳定,表明好氧颗粒污泥具有良好的除污效果。关键词:好氧颗粒污泥;丝状菌;SBR;理化性能INFLUENCEOFFILAMENTOUSBACTERIAONTHEFORMATIONOFAEROBICGRANULESLUDGELinYongshanPuWenhongYangChangzhuLiuhongboYuanJinzhouZhangyang(SchoolofEnvironmentalScienceandEngineering,HuazhongUniversityofScienceandTechnology,Wuhan430074,China)Abstract:Theeffectsoffilamentousbacteriaontheformationofaerobicgranulesludgewereinvestigatedbyinoculating85%activatedsludgeand15%filamentousbacteria,feedingsyntheticmunicipalwastewaterwithglucoseascarbonsourceinSBR.Theaerobicgranulesludgewithgoodphysicochemicalpropertieswereformedwithin15d.Theresultsshowedthatfilamentoursbacteriacouldspeeduptheformationofaerobicgranulesludge.DuringtheoperationofSBR,theaverageremovalrateofCOD,NH+4-N,TNandTPwere80.0%,86.9%,70.0%and42.5%re