采用两级SBR工艺优化除磷脱氮龙北生

　　,,,,。,。,,1000min。6　,,,,。7　,,。,、,,(、、、)。。,。,。,。,。。参考文献1　ISO9696-1992-α-2　ISO9697-1992-β3　.:,1995:133～1384　..:,1993.207～2165　BH1217,★:519020　:[phone]　E-mail:[e-mail]　:2003-6-26　SBR＊龙北生　孙大群　边德军　赵勇胜　　　在充分分析单级SBR工艺在生物除磷脱氮过程中存在的不足的基础上,提出了两种两级SBR串联运行的除磷脱氮工艺模式。通过合理控制操作过程,该工艺可望从根本上解决单级生物除磷脱氮系统中的泥龄问题、厌氧区的硝酸盐问题、有机物对硝化作用的抑制问题和好氧时间长能耗较高的问题等,从而可大大提高系统除磷脱氮效果和稳定性。模式1工艺适用于处理BOD/TP值较高的污水;模式2工艺对进水BOD/TP值没有特殊的限制。　两级SBR工艺　除磷　脱氮　泥龄　硝酸盐　有机物1　SBRSBR,、,,SBR[1～3]。、、,,、＊　(980309-3)。,SBR,。1.1　———,,,,。,,,,,34　　　　Vol.29　No.11　2003DOI:10.13789/j.cnki.wwe1964.2003.11.010,[4];(HC)(GAOs),[5]。,。SBR,,,,。,。,,、。1.2　,。SBR,、、,,,,,,。,,;,(),。VFAs(),PHB(β),,[6]。,,,,NO-3-N0.2mg/L[6]。1.3　(BOD/TKN)。,,。,,,BOD20mg/L,BOD0.06～0.1kgBOD/(kgMLSS·d)[7]。,,,,,[8]。SBR,,。1.4　BOD/TKN,SBR,,,,,。,SBR,,,。2　SBR1　1SBR,,SBR,。。2.1　111。BOD/TP,。SBR1,,,(SBR2),SBR2;SBR2,。2。(SBR1):,　Vol.29　No.11　200335　　　2　1(,),,、;,(,),、,,,(),(SBR2)(SBR1);,[9];(SBR2)SBR1。(SBR2):,,,,、;,,[10～11],,(SND)[12～13];;,,;、、。2.2　2BOD/TP,[14]SBR1。3。1,,SBR1,,,SBR1SBR1,SBR1;BOD/TP,SBR2,SBR2SBR2,SBR2[15];,,SBR2SBR2,。2,SBR1,,。21。3　23　SBRSBR,,SBR。(1)SBR1SBR2,,。(2)SBR1,SBR1,SBR1。,。(3)SBR1,(),SBR2,;,36　　　　Vol.29　No.11　2003SBR2,,。(4)SBR1HCGAOs,,GAOs[5]。(5)SBR1,SBR2,SBR2,,,。,。(6)1,BOD/TP,,。2BOD/TP,,1,,。BOD/TP,2,SBR2,。,[14]。(7)SBR,SBR。(2、),。4　SBR,SBR,。,、、,。1BOD/TP,,;2BOD/TP,,1,,。参考文献1　..:,20022　JohnAPierson,SpyrosGPavlostathis.Real-timemonitoringandcontrolofsequencingbatchreactorsforsecondarytreatmentofapoultryprocessingwastewater.WaterEnvironmentResearch,2000,72(5):585～5923　,,,.SBR.,2001,17(11):17～204　,..,2002,18(9):23～255　,,.A2/O.,2001,17(8):31～336　,...:,20007　,..:,19998　,,..:,20029　,.SBR.,2000,16(7):23～2510KeisukeHanaki.Nitrificationatlowlevelsofdissolvedoxygenwithandwithoutorganicloadinginasuspended-growthreactor.WatRes,1990,24(3):298～30111,,,..,2000,16(4):1～412,,,./.,1999,15(6):58～6013,,..,2002,21(9):527～52914,,,.SBR.,2002,18(5):1～515,..:,1998◆:13001264()214　:(0431)59559713162(O)　[phone](H)　E-mail:[e-mail]　13003　:2003-3-27　Vol.29　No.11　200337　　　WATER&WASTEWATERENGINEERINGVol.29No.11November2003ABSTRACTSCouplingTransformationsofIron-Manganese-PhosphorousinLowTurbidityDrinkingWaterResourcesYuanWenquanetal(10)……………………………………………………………………………………………………Abstract:ThecouplingtransformationrelationshipsamongFe,MnandPinalowturbidityreservoirwerestudiedbymeansofsite-monitoringanddatacorrelationanalysis.TheresultsindicatethattheconcentrationsofFeandMnandPaswellwillincreaseinalargescalewhenthermoclinelayerandanaerobiclayerformedinthereservoirinsummer.ConcentrationsofFe,MnandTPinthehypolimnionwere12.7,16.3and3.4timesgreaterthanthoseintheepilimnionrespectively.Correla-tionanalysisclearlydemonstratedthatthereareevidentcouplingrelationshipsamountFe,MnandPtransformation.Aconceptmodelofiron,manganeseandphosphoroustransformationinthisreservoirhasbeenestablished.InfluenceFactorsonFeRemovalfromUndergroundWaterinContact-OxidationProcessYuJianetal(15)………………Abstract:TheinfluencefactorsoftheDOlevel,filteringspeedandpHonFeremovalfromundergroundwaterinfiltercontact-oxidationprocessareresearchedexperimentally.TheFeremovalratesatdifferentpHlevelandfilteringdepthareobserved,andtheactivatedcoefficientβofFeremovalatconditionofpH6.55,8m/hfilteringspeedandDO6.5mg/Lhasbeendeduced.Physico-ChemicalExaminationofBio-Degradable(Ss)inActivatedSludgeModelsZhouXuefeietal(23)…………………Abstract:Aphysico-chemistrybasedfastmeasurementtodeterminethebio-degradablecontentofsolubleCODininletrawwastewaterhasbeenadvanced.FlocculentwasadoptedtodetermineSs,bythisway:the0.45μmpenetrat-ingcolloidswereflocculentlysettledandthenfinemembranefiltrated.ThedeterminedSsbyflociscorrelatedtothatbyrespirometry,about1Ss(respiratory)=0.81Ss(floc).Thequalityofthemembranecausestremendousinfluencetothedetermination.Incasewhennohighqualitymembraneobtained,itisproposedtoexaminetheSsbysingleflocculentway.TechnicalDesignandPerformanceofWaterworksforIronandManganeseRemovalbyMicroorganismGaoJieetal(26)……Abstract:Shenyangeconomicdevelopmentzonewaterworksisthefirstlarge-scalebiologicalundergroundwaterFe/Mnremovalfacilityinthiscountry.ByadoptedcascadeweakaerationallthefunctionsrelatedtoFe/Mnremovalsuchasthemicroorganismculturingandmaturing,steadyfilteringandbackwashingareprocessedinthesamefilteringbed.Whenthemicroorganismmaturing,asteadystatestableFe/Mnremovalratioexcess99%hasbeenobtained,whichisbetterthantherequirementofthenationalstandard.DemonstrationProjectofDualMembraneProcessforWastewaterReuseinTianjinLiJianetal(29)………………………Abstract:ThegeneralstatusofwastewaterreuseintheTianjineconomicaldevelopingareaispresentedbriefly.Onthebasisoffeasibilityinvestigationandargumentationthecombinedcontinuousflowprocessofmicro-filtrationandreverseosmosiswasadopted.Inthispapertheprocessfeatureandconstructionofthisprojectaredescribed,especiallythequalityoftheoutletwaterandmulti-purposeofrenovatedwastewaterreuse.Thisisthefirsthighcapacityadvancedwastewaterdesalinationprojectinthiscountry.Itwillbeveryprofitableforpollutioncontrol,waterresourcedevelop-ment,alsoveryhelpfulforthesustai