变频控制DO条件下温度对中试SBR脱氮除磷的影响顾升波

第32卷第4期土木建筑与环境工程Vol.32No.42010年08月JournalofCivil,Architectural&EnvironmentalEngineeringAug.2010DOSBR顾升波a,b,王淑莹a,b,杨　培a,b,李凌云a,b,李　论a,b,杨　庆a,b(北京工业大学a.环境与能源工程学院;b.北京市水质科学与水环境恢复工程重点实验室,北京100124):2009-12-15:“”(2008ZX07209-003);(PHR20090502、PXM2008014204050843);———(CTD-2009-08);(bcx-2009-050)。:(1982-),,,SBR,(E-mail)[e-mail]。(),,,,(E-mail)[e-mail]。　:在中试规模SBR(SequencingBatchReactor)工艺处理实际生活污水过程中,主要考察变频控制DO浓度恒定条件下温度对脱氮除磷及运行费用的影响。结果表明:温度对系统中COD和磷酸盐去除性能影响不明显,对系统中的氨氮去除影响比较显著。温度在11～26℃范围内,比氨氧化速率会随着温度的下降而降低。同时,常温条件(18～26℃)下微生物放磷和吸磷速率几乎维持恒定;低温条件下(11～18℃),放磷和吸磷速率随着温度下降大幅降低。最后,考察了不同温度条件下,SBR曝气阶段耗电量的变化规律,分析不同温度下变频控制DO浓度对SBR工艺曝气阶段耗电量的影响,为SBR污水处理厂运行提供理论依据。:温度;中试SBR;脱氮除磷;节能;变频技术:X703.1　　:A　　:1674-4764(2010)04-0113-05EffectofTemperatureonNutrientRemovalofPilot-scaleSBRProcessWithDOControlbyFrequencyConversionGUSheng-boa,b,WANGShu-yinga,b,YANGPeia,b,LILing-yuna,b,LIluna,b,YANGQinga,b(a.CollegeofEnvironmentalandEnergyEngineering;b.KeyLaboratoryofBeijingWaterQualityScienceandWaterEnvironmentRecoveryEngineering,BeijingUniversityofTechnology,Beijing100124,P.R.China)Abstract:TheeffectoftemperatureonnutrientremovalperformanceandoperationcostwithDOcontrolbyfrequencyconversionwasinvestigatedduringthelong-termoperationprocessoftreatingrealisticdomesticwastewaterwithpilot-scaleSBRprocess.ItisfoundthatthetemperaturehaslimitedinfluenceontheremovalefficiencyofCODandPO43--P,whilehasobviousimpactonammoniaremoval.Ammoniaoxidationratedecreasedsharplywiththedecreaseoftemperaturewhenthetemperaturewasfrom11to26℃.Meanwhile,phosphorousuptakeandreleaserateofmicroorganismalmostfixedatnormallevelundertemperature(18-26℃)anddecreasedsharplyattemperature(11-18℃).Finally,thevariationofenergyconsumptionatdifferenttemperaturewasinvestigated.AndtheeffectofDOcontrolbyfrequencyconversionontheenergyconsumptionofaerationphasewasanalyzed.Keywords:temperature;pilot-scaleSBR;nutrientremoval;energysaving;frequencyconversiontechnology　　20,SBR,[1-3]。,。,,,,。,,SBR,[4]。SBR。,,,,。[5]SBRDO,。,SBR。SBRDO,SBR、、、、,SBR,DOSBR。1　1.1　,,C/N,1。。1,。[6]。,NH4+-N、NO3--N、NO2--N、PO43--P、COD、。TN、TC、TOCTICTN/TOC(MultiN/C3000,)。WTWDO、ORPpH。ABBACS350,DOf。1　pHCOD/(mg·L-1)NH4+-N/(mg·L-1)NO2--N/(mg·L-1)NO3--N/(mg·L-1)TN/(mg·L-1)/(mg·L-1)7.0～7.8160～32040～800.04～0.260.12～1.0850～100280～4001.2　,8.8m3,,1。SBR5:0.25h,6～10h,1～2h,2h,0.5h,。。,。。:,,DO,DO(4～20mA),。DO、pH、ORPf。pHf,;,,pH`'。,,1。1　SBRSBRMLSS2000mg/L,SRT15～18d,DO2.0mg/L。SBR,,,。114土木建筑与环境工程　　　　　　　　　　　　　　　　第32卷2　2.1　SBR2SBR200d。26℃11℃,SBRNH4+-N、PO43--P、COD,NH4+-N、PO43--P、COD89.7%,95.4%81.4%。,NH4+-N,95d115d,NH4+-N,14℃NH4+-N,11℃NH4+-N47.2%。,。2　SBR2.2　:4～45℃,,,[7]。,20℃11℃1.8,,KimD[8]30℃10℃3。:。3(11～26℃),SBR10。Blackburne[9],,。μT=0.044×e(0.055×(T-20))(1)μTT℃,,kgNH4+-N·kgMLSS-1·d-1;T,℃。3,SBR,20℃0.047kgNH4+-N·kgMLSS-1·d-1,11℃1.8。,Kim[10]30℃10℃2.6。,10℃,1。:11℃～26℃,,(11～18℃),,,SBR,SBR。3　2.3　[11]:qD,T=qD,20θ(T-20)(2):qD,TT℃;qD,2020℃,gNO3--N·gMLSS-1·d-1;θ,1.03～1.15。,0.94～1.19,1.09。:,,,。4,SBR10。4,SBR。(2)4,。4:20℃0.571kgNO3--N·kgMLSS-1·d-1,11℃2.2。Yang[12],0.025～0.663kgNO3--N·kgMLSS-1·d-1,。SBR,Yang[12]。,115第4期顾升波,等:变频控制DO条件下温度对中试SBR脱氮除磷的影响,。4　2.4　Arrhenius[13],:lnk=-EaR×1T+lnA:k;Ea,J/mol;T,K;A;R8.31J/(K·mol)。,,39.51kJ/mol。,,,。5,11℃,0.132kgPO43--P·kgMLSS-1·d-1,0.016kgPO43--P·kgMLSS-1·d-1;,,20℃,,0.25kgPO43--P·kgMLSS-1·d-10.05kgPO43--P·kgMLSS-1·d-1。[14],,。Bao[15]Liu[16]10℃12.2℃。OehmenA[17],(5℃),(20℃)。,。2.5　,DO5　2.0mg/L。DO2.0mg/L,SBR。,,,6。11～26℃,SBR。,,,,。,SBR。,,SBR。6　3　1)SBR200d,(11～26℃),5～8h,,、COD89.7%、95.4%81.4%。2),SBR。18℃,SBR,。Arrhenius116土木建筑与环境工程　　　　　　　　　　　　　　　　第32卷。3)11～26℃,SBR,。,,,。:[1]NIBJ,XIEWM,LIUSG,etal.Modelingandsimulationofthesequencingbatchreactoratafull-scalemunicipalwastewatertreatmentplant[J].AicheJournal,2009,55(8):2186-2196.[2]RONNER-HOLMSGE,MENNERICHA,HOLMNC.SpecificSBRpopulationbehaviourasrevealedbycomparativedynamicsimulationanalysisofthreefull-scalemunicipalSBRwastewatertreatmentplants[J].WaterScience&Technology,2006,54(1):71-80.[3]SHAWA,WATTSJ,FAIREYAW,etal.Intelligentsequencingbatchreactorcontrolfromtheory,throughmodeling,tofull-scaleapplication[J].WaterScience&Technology,2009,59(1):167-173.[4]MARTINRW,BAILLODCR,MIHELCICJR,etal.Low-temperatureinhibitionoftheactivatedsludgeprocessbyanindustrialdischargecontainingtheazodyeacidblack1[J].WaterResearch,2005,39(1):17-28.[5],,,.DOSBR[J].,2007,1(10):13-17.　　YANGAN-MING,WANGSHU-YING,YANGQING,etal.ApilotscaleresearchonnitrificationcontrolparametersandenergysavingbyapplyingfrequencyconversiontechnologyoncontrollingDOofSBR[J].ChineseJournalofEnvironmentalEngineering,2007,1(10):13-17.[6].[M].:,2002:252-354.[7]OBAJAD,MACES,COSTAJ,etal.Nitrification,denitrificationandbiologicalphosphorusremovalinpiggerywastewaterusingasequencingbatchreactor[J].bioresourceTechnology,2003,87:103-111.[8]KIMD,KIMKY,RYUHD,etal.Longtermoperationofpilot-scalebiologicalnutrientremovalprocessintreatingmunicipalwastewater[J].BioresourceTechnology,2009,100(13):3180-3184.[9]BLACKBURNER,VADIVELUVM,YUANZG,etal.KineticcharacterizationofanenrichmentNitrospiraculturewithcomparisontoNitrobacter[J].WaterResearch,2007,41(