1009-6825201201-0144-02A2/O2011-08-291979-1001761979-100007A2/O、、。A2/OX703A。。A2/O、、、A2/O50%12。A2/O、3-7。181.199%。SS。1.2。。、、。1BOD/NBOD/PNP2pHpH4345SS。1BOD23。12F/M。F/M。12345pH678910。1.31。。、、、、。。2。。pHpH。3。。22.1。2.2120.5mg/L30min~90min3。2.3。123456A2/O。33.1A2/O1、23。·441·38120121SHANXIARCHITECTUREVol.38No.1Jan.2012···1009-6825201201-0145-032011-08-201971-410004。U418.2A12003。2010、、350.66km55.40km、105.48km、189.77km。“”59.13km。99.97%99.21%96.64%櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅3.2。。。20℃。3.3。。1a.F/Mb.c.2mg/L~3mg/L。2、。。。4A2/O、。。1.M.2005.2.A2/OD.2007.3.M.2007.4.M.1992.5KappelerJGujerW.Verificationandapplicationofamathe-maticalmodelfor“aerobicbulking”J.WatRes1994282311-322.6JenkinsD.TowardsacomprehensivemodleofactivatedsludgebulkingandfoamingJ.WatSciTech1992256215-230.7EkamaGAMaraisGvR.TheimplicationsontheIAWPRChy-drolysisonlowF/MbulkingJ.Wat.Sci.Tech.198618611-19.8.A2/OM.2009.9.A2/OJ.2010368193-194.OncommonproblemsinA2/OsewagetreatmentcraftanditscontrollingmeasuresXIEChen-weiSUNYan-qunAbstractThepaperintroducestheabnormalsituationsintheoperationofA2/Oincludingtheswellingofthesludgethefloatingofthesludgeandfoamsillustratesthereasonsfortheabove-mentionedabnormalsituationsandpointsoutthepreventionandthecontrollingmeas-uresforthethreesituationssoastosolvetheabnormalproblemsinthesewagetreatmentandtoensuretheoutletwaterquality.KeywordsA2/Ocraftsludgeswellingsludgefloatingfoamcontrollingmeasures·541·38120121SHANXIARCHITECTUREVol.38No.1Jan.2012