低温高氨氮生活污水处理工程调试方法整改李理

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2020-07-17

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116001CWSBＲ。9＜12℃COD869mg/L143mg/L27．5mg/L。《》GB18918—2002B。CWSBＲX703．1C1000－4602201516－0115－04ImprovementofCommissioningMethodforLow-temperatureandHighAmmoniaNitrogenSewageTreatmentProjectLILiYAOYuan-feiXIAODeng-junDalianMECEnvironmentalTechnologyandEngineeringCo．Ltd．Dalian116001ChinaAbstractEergunaSewageTreatmentPlantadoptedCWSBＲConstantWater-levelSequencingBatchＲeactortechnologyforbiochemicaltreatment．Becausetheplantislocatedinthecoldareathewatertemperatureisbelow12℃formorethanninemonthseveryyearandthemaximumconcentrationsofCODammonianitrogenandTPintheinfluentare869mg/L143mg/Land27．5mg/Lrespective-ly．Theexpectedremovalefficiencyofammonianitrogencouldnotbeachievedbyconventionalcultiva-tionanddomesticationofactivatedsludge．Inviewoftheabovesituationthedomesticationmethodofhighdensityinoculationandenrichmentcultivationwasusedtoimprovetheconventionaldomesticationmethod．AftertheimprovementtheeffluentqualitycouldmeetthefirstlevelBcriteriaspecifiedintheDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlantGB18918－2002andtheexpectedremovalefficiencywasachieved．KeywordsdomesticsewageCWSBＲlowtemperaturehighammonianitrogensludgecultivation1。、、2。15℃5℃3。·511·311620158CHINAWATEＲ＆WASTEWATEＲVol．31No．16Aug．20151－2．0～－3．0℃9＜12℃。CWSBＲ。SBＲ、SBＲ、、、、。－20～－40℃。22011—20131。12011—2013Tab．1Sewagequalityfrom2011to2013mg·L－1COD2011423～8696422012407～9287072013111～601326201185～1431182012100～127118201319～1407420113．31～27．511．220127．46～17．4510．820132．38～20．888．7420117COD23TP3。。。33.1。60%、、5～7d。20%。MLSS1000mg/L。4．6/d。60%4～5MLSS2500mg/L4．6/d。3.220117—20129COD、TP12。1COD、TPFig．1ＲemovalefficiencyofCODandTP·611·3116．watergasheat．com2Fig．2ＲemovalefficiencyofammonianitrogenCOD、TP。11%1—5。①715℃8。7。②、。③。④1—5。、。44.120%MLSS4000～4500mg/L。1d3d2/d4．6/d。、。、511℃23～25d。612℃616223～25d21～23d。712℃16℃7218～21d。8。4.220135—113。20135—11、、715℃。、、8。990%·711·．watergasheat．com3116《》GB18918—2002B。3Fig．3Ｒemovalefficiencyofammonianitrogen①。。。②。③、、。、。5①《》GB18918—2002B。②、、。③、、。1．J．2010261426－29．2．MBＲJ．201023121535－1540．3．M．2000．1982－。E－maillili@mec．com．cn2014－11－19·811·3116．watergasheat．com