改良Bardenpho工艺处理低BOD5TN混合污水工程设计姚伟涛

BardenphoBOD5/TN1231．4100112．4100123．100124BardenphoBardenpho。BOD5/TNBOD5/TN1．86Bardenpho《》GB18918—2002A。、。BOD5/TNBardenphoTU992．3C1000－4602201814－0067－04ProjectDesignofModifiedBardenphoProcessforTreatmentofLowBOD5/TNMixedWastewaterYAOWei-tao1XIAOShe-ming2ZHANGYong-xiang31．HunanAcademyofBuildingＲesearchChangsha410011China2．HunanArchitecturalDesignInstituteLimitedCompanyChangsha410012China3．CollegeofArchitectureandCivilEngineeringBeijingUniversityofTechnologyBeijing100124ChinaAbstractBasedonthetraditionalBardenphoprocessananaerobiczonewasaddedtothemodi-fiedBardenphoprocesssothattheactivatedsludgecouldberefluxedtothefrontofthefirstanaerobicstage．Andthentheeffectivereleaseofphosphoruscouldbeensuredwhichledtoaraisedeffectofre-movingphosphorus．ThemodifiedBardenphoprocesswasdesignedtotreatthelowBOD5/TN1．86wastewaterwhichwasmixedwithdomesticandindustrialwastewater．Sothesimultaneousnitrogenandphosphorusremovalcouldbeachievedinonewastewatertreatmentplant．TheoperatingresultsshowedthattheeffluentqualitycouldmeetthefirstclassAcriteriaofDischargeStandardofPollutantsforMunic-ipalWastewaterTreatmentPlantGB18918－2002andthetreatmentperformancewassteady．Thein-ternalrefluxratiointhemixtureliquidandthenitrogenremovalrateinthesecondanoxictankwerede-terminedbycrossiterationtrialcalculation．Thentheadditionalqualitycarbonsourcewasaddedtotheforeendofthesecondanoxiczoneandanitrateconcentrationtransmitterwasinstalledtosavecarbonsourceandreducetheoperationcost．KeywordslowBOD5/TNmixedwastewatermodifiedBardenphoprocesssimultaneousni-trogenandphosphorusremovaladditionalcarbonsource·76·341420187CHINAWATEＲ＆WASTEWATEＲVol．34No．14Jul．2018Bardenpho。Bardenpho、、、1～45。Bar-denpho。120201．38hm220250．82hm2。《》CJ343—2010C7000m3/d3000m3/d。1．0×104m3/d2．0×104m3/d、1《》GB18918—2002A。1BOD5/COD0．43BOD5/TN1．86TN、TP。Bardenpho+1。1、Tab．1Designinfluentandeffluentqualitymg·L－1CODBOD5TNSSTP30013056702576．550105815100．51Fig．1FlowchartofwastewatertreatmentprocessA。2Bardenpho2.1BardenphoBardenphoA2/O2。。。。TN。2BardenphoFig．2FlowchartofmodifiedBardenphoprocess2.2Bardenpho2.2.1Bardenpho3。3BardenphoFig．3PlanelayoutofmodifiedBardenphotank·86·3414．watergasheat．com、、、、。。。2.2.2Bardenpho1．0×104m3/d1．1TN、TP70mg/L6．5mg/LTN、TP15mg/L5．4mg/L。65．5m×29．1m7．0m6．0m。10℃0．07kgBOD5/kgMLSS·d1．8h、6．1h、10．1h、3．6h、0．5h22．1h。MLSS4000mg/LSVI130mL/g200%100%。2.2.3Bardenpho12500mmN=5．5kW121370mmN=2．5kW2DO3Q=160m3/hH=10kPaN=1．5kW6≥15m3/m·hSOTE＞32%、。2.2.4BardenphoDO、MLSS、OＲP、。①DO、DO1．5～2．5mg/LDO。②MLSS4000mg/L。MLSSMLSS。③OＲP、。OＲP。OＲP－200～－100mV。④。2.3。《》GB50014—20062016、4TP17//≥200%。BOD5/TN4TNTN25mg/L。524．1mg/L200%。《》、200%25mg/L。Bardenpho63。。3①BOD5/TNBardenpho·96·．watergasheat．comBardenphoBOD5/TN3414、。②《》GB50014—20062016、TNA。1．BardenphoJ．2008341057－59．GuoYuankaiLiSongqiangWuFuping．Synchronousre-movalofphosphorusandnitrogencompoundindomesticsewagebyimprovedBardenphoprocessJ．TechnologyofWaterTreatment2008341057－59inChinese．2．BardenphoJ．2014301216－19．WangHuanrongNiuXinguangYinPeifu．TreatmentoflandfillleachatebymodifiedBardenphoprocessJ．Chi-naWater＆Wastewater2014301216－19inChi-nese．3．BardenphoJ．2009328120－122．GuoYuankaiLiSongqiang．ImprovedBardenphocraftforremovalofphosphorusandnitrogenfrombrewerywastewaterJ．EnvironmentalScience＆Technology2009328120－122inChinese．4．J．2015311886－89．TongEncongGuoZhongweiWangSiyuetal．UpgradingandreconstructionprojectsofthreesewagetreatmentplantsinBaodingCityJ．ChinaWater＆Wastewater2015311886－89inChinese．5．BardenphoJ．2015311222－24．CuiHongshengLiuShide．DeterminationofcarbonsourceadditionpositionandinternalrefluxratioinBar-denphoprocessforenhanceddenitrificationJ．ChinaWater＆Wastewater2015311222－24inChi-nese．1984－。[e-mail]2018－01－19·07·3414．watergasheat．com