传统活性污泥法处理工业区污水运行调控总结桂红艳

　桂红艳　张小明　陈胜光　　　介绍了广州开发区污水处理厂的工艺流程、水质特点。针对该厂的实际,从理论和实践上对活性污泥法在处理工业区污水中如何进行有效运行调控作了探讨。分析了污泥负荷、污泥龄、溶解氧3个主要运行参数,并讨论了控制方法和操作条件;同时对运行、监测、管理等问题进行了探讨。　活性污泥法　污水处理厂　工业区污水　运行参数　运行管理　　3m3/d,,,70%。7a,,,,,。1　:BOD=200mg/L,SS=250mg/L;,BOD≤30mg/L,SS≤30mg/L,COD≤120mg/L。1,1。1　1　　　/m3　13.5m×2.5m×3.78m1091D=20m　H=5.65m1104212m×12m×4.5m64810D=34m　H=4.15m32822D=9m　H=8.6m36522　,,23℃,28℃,15℃,,。,、。BOD656mg/L,52mg/L,176mg/L;SS629mg/L,92mg/L,278mg/L;COD1100mg/L,102mg/L,392mg/L。,、,、、;pH6～9;Cu2+,Cr6+,Ni2+;,1～4m3/d,,。,,,,,,。,。,SS28.3%,BOD32.7%,COD28.2%,SS230mg/L,BOD127mg/L,COD279mg/L。,、、pH。(F/M)、(SRT)　Vol.28　No.5　20029　　　　DOI:10.13789/j.cnki.wwe1964.2002.05.003(DO)、,。、。BOD,SS90%,BOD,SS10.2mg/L,21mg/L;COD80%,COD58.7mg/L。3　,,(MLSS)、(SV)、(F/M)、、、(DO)、(MLVSS)、、、pH。,,,(MLSS)、(SV)。,,,、。3.1　()、()。,、。,、、。,(F/M),(1):F/M=Q×BODi/(MLSS×Va)(1)Q———,m3/d;BODi———BOD,mg/L;MLSS———,mg/L;Va———,m3。(2),0.15～0.30kgBOD/(kgMLSS·d),BOD90%。0.15kgBOD/(kgMLSS·d)0.30kgBOD/(kgMLSS·d),BOD。0.15kgBOD/(kgMLSS·d),,,,BOD;0.30kgBOD/(kgMLSS·d),,BOD。,0.225kgBOD/(kgMLSS·d)。2　BODBODQ,,,(1)(F),(),。10648m3,,(1):n=BODi×Q(F/M)×MLSS×V(2)n———;V———,648m3。BOD5d,,BOD,COD,BOD/COD0.430,:n=0.43CODi×Q(F/M)×MLSS×Va(3)CODi———COD,mg/L;F/M———。(3),,。,,10　　　　Vol.28　No.5　2002,。,。,,MLSS。,,MLSS。,,,MLSS,。3.2　,d。,(SlugeRetentionTime,SRT)θ=MLSS×Va/(Rs×VW+Q×So)(4)θ———(SRT),d;MLSS———,mg/L;Va———,m3;Rs———,mg/L;VW———,m3;Q———,m3;So———(SS),mg/L。(1)(4),(SRT)(F/M):1/θ=(F/M)RsVW+QSo/QBODi　　:1/θ=(F/M)(Y+K)(5)Y———BOD,RsVW/QBODi(　　);K———,QSo/QBODi()。,BODY0.859,K0.151,0.15～0.30kgBOD/(kgMLSS·d)4～6.67d。(4),,VW,。(5),SRT,F/M,,SRTF/M,。,F/M。(5),SRTF/M,SRT,,F/M,,,MLSS,;,SRT,F/M,MLSS,,,,BOD。,:,,,,,。,。3.3　,,。,(3)。DO,COD,SS;,DO,。,,,,,,0.4～0.6mg/L;,,,,0.8～1.2mg/L;,,,2mg/L,1.3mg/L,。3　DOCOD,SS,,　Vol.28　No.5　200211　　　,(DO)。,。(1),。(2),,,,。(3)DO,DO,。4　,、,,,,、、,,:(1)8、,,。(2),pH,,pH,pH6～9,,。(3),,SVI,,,,,,。,,DO2mg/L。,,,。,,DO,,,DO。5　,、。,,,,,。,,,、,。,、,。参考文献1　.().:,19892　..:,19923　..:,19974　..,1999,25(3):1～3⊙:51073022　:[phone]　:2001-10-29WEF。,WEF(),。EPA(),20023～5。200242,2002415200251200259。。(赵文耕)12　　　　Vol.28　No.5　2002WATER&WASTEWATERENGINEERINGVol.28No.5May2002ABSTRACTSBiomassExaminationbyLipid-PMethodforDrinkingWaterBio-treatmentYuXinetal(1………………………………)Abstract:Thequantitativebiomassexaminationscommonlyusedinwaterpurificationmicrobiologywerepresented.ThemodifiedLipid-Pmethodwasadoptedtoexaminebiomassdistributionofthreedrinkingwaterbio-filters.Theresultswerecomparedtothatofplatecolony(PC)method.ThemeasuredvaluebyPCisonly0.70%to5.75%ofthevaluebyLipid-Pandthespecificratioofbothisproportionaltothetrophicleveloftherawwater.Thismeansthatincaseofbio-treatmentofoligotrophicdrinkingwater,theLipid-Pexaminationwillbemuchaccurate.OnExperimentofSludgeStabilizationforMunicipalWastewaterWangKaijunetal(5……………………………………)Abstract:Inthispapertheoreticalproblemsrelatedtosludgetreatmenthavebeendiscussed,thedefinitionsofsludge,hydrolysisandliquefactionaswellassludgestabilizationweregiven.Accordingtotheaimsofsludgetreatment,theindexandmethodtoevaluatesludgestabilizationwerestudiedatfirst.Thedifferentsludgestabilizationevaluationmethod,suchasanaerobicstabilizationassay,alkalinityhydrolysisassayandsludgeliquefactiontestwerestudiedandcompared.Therelativelysimpleandfeasiblemethodi.e.theliquefactiontestforevaluationofsludgestabilization(degradationdegree)hasbeenrecommended.SummaryonConventionalActivatedSludgeProcessTreatingWastewaterofIndustrialZoneGuiHongyanetal(9………)Abstract:TheprocessflowandrawwastewatercompositionofaWTPinGuangzhouDevelopmentZonearepre-sented.Thepropercontroltoguaranteenormalperformanceofactivatedsludgeprocesstreatingwastewaterofthisindustrialzonewasstudied.Threemainoperatingparametersnamelysludgeloading,sludgeageandDOlevelwereana-lyzedandthecontrolmethodsandoperatingconditionwerediscussed.OnthebasisofthispracticeWTPproblemsdeal-ingwiththeoperation,monitoringandmanagementhavebeendebatedcompletely.PracticeofMicroscopicModelingforUrbanWaterDistributionNetworkZhaoHongbinetal(13……………………………)Abstract:Dynamicsimulationofwaterdistributionnetworkisimportantforwatercompaniestoaccomplishscien-tificmanagement,toincreasebenefitandtoimprovetheservicelevel.Takingapplicationofwaternetworksystemmode-linginTianjincityasanexample,theapproachofmicro-modelingofwaternetworkisdescribedindetailinthispaper.Itisprovedthatthisapproachisofstrongpracticabilityinpractice.PracticeonSludgeBulkingControlLaoShangen(16……………………………………………………………………………)Abstract:Itisbelievedthattheexcessivehighlevelofsludgeloadinghascausedactivatedsludgebulkinginafish-eryprocessingwastewatertreatmentsystem.Thecountermeasuresagainstsludgebulkingsuchastheincreasingofsludgerecycleratio,reducingofsludgedischarge,intensiveairaeration,monitoringtheoperationparametersandsoon,arepresented.Thesemeasureshavecontrolledthesludgebulkingeffectively.StudyonTOCRemovalfromRawWaterbySecondaryFlocculatingProcessHeChengdaetal(18…………………………)Abstract:Dealingwiththeaggravatingorganicpollutionofnaturalwaterbodies,SecondaryFlocculating(SF)pro-cessisproposedtoimprovetheremovalo