MSBR工艺在北方典型高浓度城镇污水处理中的应用段存礼

檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲殘殘殘殘MSBR1211．2660712．266032MSBRMSBR8．8m、MSBR《》GB18918—2002A。MSBRX703C1000－4602201118－0071－05ApplicationofMSBRProcessinTypicalHigh-concentrationMunicipalWastewaterTreatmentinNorthernChinaDUANCun-li1BIXue-jun2PENGZhong11．EnvironmentandEnergyCompanyQingdaoCityConstructionInvestmentGroupQingdao266071China2．SchoolofEnvironmentalandMunicipalEngineeringQingdaoTechnologicalUniversityQingdao266032ChinaAbstractMSBRprocessfornitrogenandphosphorusremovalisusedinthenewexpansionprojectofatypicalWWTPinnorthernChina．Theinfluentoftheprojectischaracterizedbytypicalhigh-concen-trationmunicipalwastewater．DuetothelimitedlandspacethewaterdepthofMSBRprocesshastoreach8．8m．Becauseofvariousinfluencingfactorssludgebulkingandairaccumulationoccurreddur-ingthecommissioningwhichresultedinthatsludge-waterseparationcouldnotbenormallyrealizedintheMSBRsequence-reactionbasin．Severalmeasuresweretakentosolvetheabove-mentionedproblems．TheeffluentqualitymeetsthefirstlevelAcriteriaspecifiedintheDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlantGB18918－2002．Keywordshigh-concentrationmunicipalwastewaterMSBRsludgebulkingcompoundferricenzymaticactivatedsludge199119938×104m3/dA/B《》GB8978—88。20095×104m3/d16×104m3/dA2/OSBR———MSBR。1．47hm2·17·271820119CHINAWATER＆WASTEWATERVol．27No．18Sep．20118．8mMSBR《》GB18918—2002A。11.1、2007—200990%《》GB18918—2002A、1。1＜80%90%。1、Tab．1InfluentandeffluentqualityofnewexpansionprojectBOD5/mg·L－1COD/mg·L－1SS/mg·L－1NH3－N/mg·L－1TN/mg·L－1TP/mg·L－1pH/·L－1≤350≤750≤400≤53≤70≤86～9≤10≤50≤10≤58≤15≤0．56～91000COD、BOD5、SS、NH3－N、TN、TP93．3%、97．1%、97．5%、90．6%、78．6%93．8%。1.2、、。、———MSBR。MSBRMSBRA2/OSBRA2/OSBR。MSBR1MSBR2。1MSBRFig．1FlowchartofMSBRprocessMSBR20807。1#7#SBR2#3#4#5#6#。2MSBRFig．2PlanviewofMSBRsystemMSBR。、、ⅠⅡ。MSBRSBR2～370%。1Q0．25Q3321MSBRNOx－·27·2718．watergasheat．comN8。MSBR6130min260min330min430min560min630min。1、2、34、5、64#MSBR。2。2Tab．2Operationstateofeachunitineachsequence1#2#3#4#5#6#7#123456MSBR3。3Tab．3DesignparametersforMSBRbio-chemicalreactorMSBR87．6m×36．4m8．8mA2/OSBRSBR42m×10．6m8．8m3．8g/L54380m326．1h0．073kgBOD5/kgMLSS·d15%BOD5SBR3．04m3/m2·h2．34m3/m2·h295m3/min13000kg/d844Q=80m3/hSBR4Q=1900m3/hH=10kPaN=10kW6#4Q=1900m3/hH=10kPaN=10kWSBR9h/d1000DN65L=1mq=10m3/h1#、7#SBR6h/d480DN65L=1mq=10m3/h1#、7#SBR12h/d4Q=1800m3/h22.12010880%GB18918—2002A。11℃SVI300～600mL/g40%。34。3Fig．3Phenomenaofsludgebulkingandsuspension4Fig．4Pictureoffilamentousbacteriaundermicroscope·37·．watergasheat．comMSBR2718MSBRSBR5。MS-BRSBRMSBR。5SBRFig．5SludgeconcentrationvariationalongdepthofSBR2.2MSBRSBRCOD40mg/LMS-BR1。。3①。SBR。②SBR/。、＜1．5m、。。③。MSBR。④。。2。、6。＜200mL/g。6、Fig．6Comparisonbetweencompoundferricenzymaticactivatedsludgeandnormalsludge·47·2718．watergasheat．com20dMSBR。MSBR4。4MSBR20115、Tab．4OperationresultforMSBRinMay2011CODBOD5SSNH3－NTPMSBR/mg·L－1483．5367．35～606．06236．9122～313213．5120～325．566．953～79．557．84．68～9．60MSBR/mg·L－161．535．17～103．7184～37306～662．80．65～6．73．01．38～4．25/%87．392．485．995．861．5。MSBRGB18918—2002A20118。201175。520117Tab．5OperationresultofsysteminJuly2011CODBOD5SSTNTP/mg·L－1587．6146．2～812．2228．962～350204．1574～40558．240．8～76．636．162．7～10．08/mg·L－143．1926．26～66．8293～39133～3214．027．35～21．650．730．25～2．25/%92．696．093．675．988．1。4①A2/OSBRMSBRMLVSS/MLSS≥75%SBR6m。②SBR、、。③SBR。④MSBR。1．MSBRJ．2009251893－95．2．J．201[e-mail]2011－06－14·57·．watergasheat．comMSBR2718