改良型Carrousel氧化沟工艺生物脱氮优化研究唐锋兵

Carrousel1234121．0560382．0560383．1100154．056001CarrouselTNNH+4－NSＲT、HＲTDO。SＲT、HＲTDOSＲT、HＲTDO18d、16h2．5～3．0mg/LTN、NH+4－N12．63．3mg/L78%91%BOD5、CODSS《》GB18918—2002A。CarrouselTU992．3C10[e-mail]calNitrogenＲemovalinModifiedCarrouselOxidationDitchProcessTANGFeng-bing12WUKun-ru3DAShu-feng4LISi-min121．HebeiEngineeringＲesearchCenterforWaterPollutionControlandWaterEcologicalＲemediationHebeiUniversityofEngineeringHandan056038China2．CollegeofEnergyandEnvironmentalEngineeringHebeiUniversityofEngineeringHandan056038China3．ShenyangMunicipalEngineeringDesignandＲesearchInstituteShenyang110015China4．HandanMunicipalDrainageCo．Ltd．Handan056001ChinaAbstractTheparametersincludingSＲTHＲTandDOconcentrationwereoptimizedthroughscaleexperimentstosolvethehighconcentrationsofTNandNH+4－NintheeffluentofamodifiedCar-rouseloxidationditchprocessinawastewatertreatmentplant．ThediagnosisresultsindicatedthatlongSＲTshortHＲTandlowDOconcentrationwerethedirectcausesofthepoordenitrification．TheprocessoptimizationresultsshowedthatthesystemachievedhighernitrogenremovalefficiencywhentheSＲTHＲTandDOconcentrationwerecontrolledat18d16hand2．5－3．0mg/Lrespectively．Theaver-ageconcentrationsofTNandNH+4－Nintheeffluentwere12．6mg/Land3．3mg/Landtheremovalrateswere78%and91%respectively．AdditionallytheeffluentBOD5CODandSSallmetthefirstlevelAcriteriainDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlantGB18918·19·341320187CHINAWATEＲ＆WASTEWATEＲVol．34No．13Jul．2018－2002．KeywordsmodifiedCarrouseloxidationditchbiologicalnitrogenremovalSＲTHＲTDO、、1～3。《》“”2017《》GB18918—2002A。。A2/O。Carrousel、4。Carrousel。110×104m3/d8×104m3/d。3Carrousel584①～④864⑤～⑧126。4。《》GB18918—2002BBOD5、COD、SSATNNH+4－N。、1。BOD5、SSCODA96%、97%90%TNNH+4－NA、。、。1、Tab．1Influentandeffluentqualityofwastewatertreatmentplant/mg·L－1/mg·L－1/%BOD5161～3242498～151096SS170～5603247～12997COD225～64344830～554690TN38．3～54．946．813．9～19．918．261NH+4－N29．5～49．937．66．6～10．99．3751。进水3#搅拌器混合液1#搅拌器外回流污泥管1#4#搅拌器2#搅拌器5#搅拌器氧化沟进水来自二沉池污泥剩余污泥到浓缩池回流及剩余污泥泵房第一弯道5#转碟2#转碟1#外回流污泥第二弯道第七弯道2#转碟3#转碟4#转碟9#转碟内回流泵房第五弯道第八弯道9#6#8#转碟10#转碟11#转碟12#转碟13#6#转碟3#4#12#15#转碟16#转碟14#转碟11#转碟7#转碟8#转碟17#转碟18#转碟19#10#转碟20#第六弯道第四弯道5#7#出水到二沉池第三弯道⑧①②③④⑤⑥⑦ＭＭＭ注：曝气转碟推进器搅拌器水流方向1CarrouselFig．1SchematicdiagramofmodifiedCarrouseloxidationditch2pH、、、SＲT、HＲTDO。SＲT、NH+4－NHＲTDO。2.1SＲT15d。·29·3413．watergasheat．comSＲT30dSV30、。、、5。6。SＲT。2.2NH+4－NHＲTHＲTTN、NH+4－N。NH+4－NHＲT。NH+4－N25mg/L1NH+4－N37．6mg/L。33．2×104m3/d110%10～11h15．4h。2.3DODO。5%DO。DO2．0mg/L。DO1．5～2．0mg/L。33.1SＲT7000mg/L、14000mg/L、480m3/dSＲT30d。6000mg/L12000mg/L800m3/dSＲT18d。SＲT2。SＲT18dNH+4－N、TN5．2mg/L16．4mg/LSＲT30dNH+4－N75%86%TN61%67%。。、。6050403020100浓度/（mg·L-1）90807060５0去除率/%进水氨氮出水氨氮进水总氮出水总氮氨氮去除率总氮去除率３０３０３０３０303０３０18181818181818SRT/d2SＲTFig．2InfluenceofSＲTonNH+4－NandTNofeffluent3.2HＲTSＲT18dHＲT。33．2×104m3/d2．7×104m3/d100%70%HＲT14h16hNH+4－NTN3。6050403020100浓度/（mg·L-1）100907060５0去除率/%进水氨氮出水氨氮进水总氮出水总氮氨氮去除率总氮去除率1414141414141416161616161616HRT/h803HＲTFig．3InfluenceofHＲTonNH+4－NandTNofeffluent3HＲT14hNH+4－N、TN4．6～6．1mg/L13．9～17．3mg/L86%68%HＲT16hNH+4－N、TN4．1～5．9mg/L13．8～16．9mg/L87%69%。NH+4－N、TN0．40．7mg/L。NH+4－NTN。DO·39·．watergasheat．comCarrousel3413HＲT16h。3.3DOSＲTHＲT18d16h6000mg/L70%DO1．5～2．0mg/LDO1DO2．5～3．0mg/LDO2DONH+4－NTN4。6050403020100浓度/（mg·L-1）100907060５0去除率/%进水氨氮出水氨氮进水总氮出水总氮氨氮去除率总氮去除率DO1DO2DO浓度804DOFig．4InfluenceofDOonNH+4－NandTNofeffluentDO1．5～2．0mg/LNH+4－N、TN4．4～5．6mg/L14．1～16．8mg/L87%69%。DO2．5～3．0mg/LNH+4－N2．9～3．7mg/L91%TN12．4～14．7mg/L73%。3.4SＲT18d、HＲT16h、DO2．5～3．0mg/L、70%、6000mg/L。、2。2Tab．2Operationstatusafterprocessoptimization/mg·L－1/mg·L－1/%COD214～58445132～504291BOD5164～4182466～12996SS116～5473315～13997NH+4－N26．4～48．537．81．01～4．123．391TN39．2～68．756．810．9～14．1612．67812NH+4－N6mg/L16%TN18．2mg/L12．6mg/L61%78%。COD、BOD5、SS、NH+4－NTN《》GB18918—2002A。4①CarrouselSＲT、NH+4－N、HＲT、DO。②SＲT30d18d、HＲT16h、DO2．5～3．0mg/LTN、NH+4－N12．6mg/L3．3mg/L78%91%。1．J．201632293－96．WangXianbaoZhaoMinJinHuetal．Analysisonener-gyconsumptioninupgradingandreconstructionofawastewatertreatmentplantwithOrbaloxidationinXi’anJ．ChinaWater＆Wastewater201632293－96inChinese．2．J．201339339－44．SongLianpengWeiLianyuZhaoLejunetal．AnalysisofconstructionandoperationstatusandexistingproblemsofmunicipalwastewatertreatmentplantsinChinaJ．Water＆WastewaterEngineering201339339－44inChinese．3．J．2012281830－34．ZhuYanboYuanNannanJiangWeietal．ProblemsandsolutionsinoperationmanagementofmunicipalsewagetreatmentplantsinChinaJ．ChinaWater＆Wastewater2012281830－34inChinese．4．CarrouselJ．200723429－31．MaYingxiaZhangQuansenXuAihong．Operationand97·49·3413．watergasheat．com。③。420154．0×104m3/d+A2O++A。A2O、TP、SSCOD。A。PLC。1．J．2016328106－109．FangSumeiZhangJianguoZhouMi．Applicationofhori-zontaltubesedimentationtechnologytoJialingＲiverrawwatertreatmentJ．ChinaWater＆Wastewater2016328106－109inChinese．1982－。[e-mail]櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆2018－01－2494reconstructionofimprovedCarrouseloxidationditchJ．ChinaWater＆Wastewater200723429－31inChinese．5．J．201329383－86．LiuHuiLiXueqiangWangXiaodo