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Bardenpho－MBBR266555、Bardenpho－MBBRTNA。20171—8、、ABOD5、COD、NH+4－N、TN2．7、18、0．5、7．4mg/L99%、97%、97．1%、87%。BOD51．8kg/m3·dTN0．34kg/m3·d10d3～524h30%DO、。85．9%、99．5%、、30．5%25．9%27．4%。MBBR、、、。MBBRTU992．3C1000－4602201809－0106－06OperationAnalysisofBardenpho－MBBRUpgradingandRetrofittinginaNorthernWastewaterTreatmentPlantWUDiLIChuang-xiuQingdaoSpringWater-treatmentCo．Ltd．Qingdao266555ChinaAbstractAwastewatertreatmentplantWWTPinthenorthChinawasupgradedandretrofittedforthesecondtimewithoutstoppingproductionandreductionwhereBardenpho－MBBRprocesswasusedtostrengthentheremovalofTNandtheeffluentqualitystablymetthefirstlevelAstandardinDis-chargeStandardofPollutantsforMunicipalWastewaterTreatmentPlantsGB18918－2002．FromJan-uarytoAugustin2017theWWTPsuccessivelyexperiencedlowtemperaturesinwinterhighwaterloadimpactinsummerandhighhydraulicimpactduringrainyseasonbuttheeffluentqualitywasstillsuperi-ortothefirstLevelAstandard．TheaverageconcentrationsofBOD5CODNH+4－NandTNineffluentwere2．7mg/L18mg/L0．5mg/Land7．4mg/Landtheaverageremovalrateswere99%97%97．1%and87%respectively．Alongwithwildfluctuationofinfluentqualitytheinfluentloadfluctua-tedinwildrangewithoutregulation．ThemaximumBOD5andTNloadsreached1．8kg/m3·dand0．34kg/m3·drespectively．Themaximumloadwas3to5timestotheminimumloadfor10daysandtheloadincreasedby30%in24hours．UndertheaboveadverseconditionsthesystemwasstablebycontrollingDOconcentrationsludgedischargeandothercomprehensivelyadjustingmeasures．Ac-cordingtonitrogenanalysisalongthebiochemicaltank30．5%and25．9%nitratewasremovedinpre-·601·34920185CHINAWATER＆WASTEWATERVol．34No．9May2018anoxiczoneandpost-anoxiczonerespectivelybyadjustingcarbonaddingratiowhenTNandammoniani-trogenremovalrateswere85．9%and99．5%respectively．Atthesametimeover27．4%TNwasre-movedintheaerobictankwheresimultaneousnitrificationanddenitrificationwasspeculatedtotakeplace．MBBRhastheadvantagesofwithstandinghighloadstronganti-shockloadingcapabilityandgoodtreatmentefficiencywhichissuitableforWWTPupgradingandretrofitting．KeywordswastewatertreatmentplantupgradingandretrofittinglowtemperaturewaterqualityloadimpacthydraulicloadimpactMBBR17×104m3/d8×104m3/d、9×104m3/d2010A2/O－MBBRA。20×104m3/d201525×104m3/d。4．5×104m3/d1．5×104、2×104m3/d、、。220171—8、、。1。11.1COD、BOD5、NH+4－N、TP2～31COD、BOD5、NH+4－N、TN、TP、SS900、430、58、80、13、750mg/LA。、、TN2。、Bardenpho+MBBR3。Bardenpho－MBBRTNA2/OTNA40%＜67%、。。。MBBR。SPR－325±0．5mm、10±1mm＞800m2/m3《》CJ/T461—2014。。。35625m3HRT19h4g/L16d0．081kgBOD5/kgMLSS·dMBBRHRT4．9h100%～300%50%～150%。1.2201711—8131～225d1。1Fig．1Watertemperatureinbiochemicaltankanddailyinfluentquantity·701·．watergasheat．comBardenpho－MBBR3493Ⅰ1～101d10～12℃Ⅱ102～202dBOD5、COD、SS、TP、TNⅢ203～225d19．5%～51．7%。3TP0．1mg/L。22.110～15℃39529m3/d48000m3/d。COD、BOD5、NH+4－N、TN、TP、2。2Fig．2Removaloforganicmatterandnitrogenduringlowtemperatureperiod2COD、NH+4－NTN。BOD5、COD、NH+4－NTN4．2、20．3、1．1、7．7mg/L98．3%、96．1%、97．2%、88．9%。BOD5、CODⅣ。。＜20℃4。MBBR5。2.215～24℃、3。3Fig．3Removaloforganicmatterandnitrogenduringhighinfluentloadperiod3BOD5、COD、TNCOD563～3685mg/L。BOD5、COD、、TN708．2、1652．6、39．9、122．8mg/LBOD5、COD、TN。DO3mg/L、BOD5、COD、、TN·801·349．watergasheat．com2．9、22．1、0．9、8．1mg/L99．5%、98．4%、97．8%、92．6%。BOD5/COD0．44。ⅠⅡTNNH+4－N39．8%65．4%TN。TN。2.3、4。4Fig．4Removaloforganicmatterandnitrogeninrainyseason51．7%19．5%63369m3/d。4BOD5、COD、NH+4－N、TN2．7、18、0．5、7．4mg/L99%、97%、97．1%、87%。。、、。2mg/L、。、。2.41100dBOD51．8kg/m3·dTN0．34kg/m3·d10d3～530%24h。。MBBRMBBR1．3MBBRDO。2.5。150%、50%1275。5Fig．5Variationofammonianitrogenandnitrateconcentrationsalongbiochemicaltank5TN70．3mg/LTN·901·．watergasheat．comBardenpho－MBBR3499．89mg/LTN85．9%。99．5%MBBR。MBBR、、。。、、30．5%、25．9%27．4%SNDSND。DODOSND6。ⅡMLSSSND。DOSND7DO2～2．5mg/L。DODOCODTN。2.631。1Tab．1SludgecharacterparametersatthreestagesMLSS/g·L－1MLVSS/MLSSSV30/%SVI/mL·g－1Ⅰ4．70．6575159Ⅱ8．00．436582Ⅲ7．00．455070MLSS4700mg/L7000～8000mg/L1000m3/d1500～3000m3/d。MLVSS/MLSS。ⅠMLSSSV30SVI1SV3079%～93%。3①Bardenpho－MBBR、、ABOD5、COD、NH+4－N、TN2．7、18、0．5、7．4mg/L99%、97%、97．1%、87%。②BOD51．8kg/m3·dTN0．34kg/m3·d10d3～524h30%。③、30．5%、25．9%27．4%SND。④MBBR、、、。1．MBBRJ．20143012110－114．HanPingXuBinSongMeiqinetal．DesignfeaturesandoperationaleffectofTuandaoWWTPupgradingbyMBBRinQingdaoJ．ChinaWater＆Wastewater20143012110－114inChinese．2．Bardenpho/MBBRJ．2016322462－66．LiuHaoYangJunjieYuNing．Designandoperationofthird-phaseexpansionprojectofQingdaoLicunheWWTPbyfive-stageBardenphoandMBBRprocessJ．ChinaWater＆Wastewater2016322462－66inChi-nese．3．MBBRJ．2013292115·011·349．watergasheat．com2GourgouillonDSchriveLSarradeSetal．Anenviron-mentallyfriendlyprocessfortheregenerationofusedoilsJ．EnvironSciTechnol200034163469－3473．3KarimnezhadHRajabiLSalehiEetal．Novelnano-compositeKevlarfabricmembranesFabricationcharac-terizationandperformanceinoil/waterseparationJ．ApplSurfSci20142933275－286．4MansourizadehAAzadAJ．Preparationofblendpoly-ethersulfone/celluloseacetate/polyethyleneglycolasym-metricmembranesforoil-waterseparationJ．JPolymRes2014．DOI10．1007/s10965-014-0375-x．5YoshimitsuZNakajimaAWatanabeTetal．Effectsofsurfacestructureonthehydrophobicityandslidingbehav-iorofwaterdropletsJ．Lang