复合反应器污泥硝化与反硝化性能的研究

3,,CODNH3-NTN,;,,,,,,3(96-909-05-03),(29637010)[13],[4]11112!011m110m,8115LA,;B20%,,12A,;B,,DO2mg/L4mg/L,100%,2112CODNH3-NTN,1/kg/m3/%/mm/mm2830901115101082/dHRT/hCOD/mg/LNV,COD/kg/(m3d)NH3-N/mg/LNV,NH3-N/kg/(m3d)02091596178012335190109216641523417111433160118,pH71000mg/L,,COD100mg/L,NH3-N50mg/L,NO-2-N10mg/L,NO-3-N50mg/L1/2(OURW)OURW,JoannaS2G,(OURT),NaClO3(ATU),OUR1OUR2(OURI)Vol125No151999lz转载(OURA)OURA=OURT-OUR1(1)OURI=OUR1-OUR2(2),4,0h,2h,4h,6h,,22113TN2NH3-N1COD13CODNH3-NTNCOD,NH3-NTN,TN,21244,,BA,,AB(MLSS,)1155g/L2136g/L,1152,,,,,,,AB1104g/L2109g/L,2101,,2132131153OURT5,,l{Vol125No151999中国科技论文在线:,199511151203,11,1998,19(1):62654WartchowD.Nitrificationanddenitrificationincombinedactivatedsludgesystems.WatSciTech,1990,22(7/8):199206:100084:[phone]:1999O1O12Vol125No151999l|中国科技论文在线(1)Abstract:ThestructuralfeaturesandperformancesofbiologicalcontactoxidationprocesspackedwiththreedifferentkindsofmaterialsYDT,TAandPWTtotreatslight2pollutedrawwaterarediscussedandcomparedinpreliminary.There2sultsshowthateveryoneofthethreewillbesuitableforbiologicalcontactoxidationprocesstotreatslight2pollut2edrawwa2terandsimilarremovalsofammonianitrogenwereobtainedunderthesameoperatingconditionandwiththeapproximatespecificsurfaceareaofpackagematerialbeinginstalled.Furthermoreitisnecessarytostudytheproblemssuchastheopti2mumarrangementofpackagematerialsinsidethereactorandthechangesoftheworkingstatusofthepackagematerialatdifferentqualityofrawwater.PilotInvestigationonReuseofFilterBackwashWaterKeShuizhouetal(4)Abstract:FieldexperinentsonbenchscaleandpilotplantlevelshavebeendoneinawaterworkswhichtakesrawwaterfromXiangjiangRivertoinvestigatetherecyclingandreuseoffilterbackwashwater.Theresultsshowthatthedirectrecy2clingofbackwashwatertothereactiontankmakesnotonlybotheconomicalandenvironmentalbenefitsforwatersourcesaving,butalsotheimprovementofthereactionandsedimentationprocess.WaterDistributionDesignofPeripheralInletRadialSedimentationTankJiHong(7)Abstract:Aguidelineforthedesignofwaterdistributionsystemofperipheralinletradialsedimentationtankhasbeenrecommendedbytheauthoronthebasisoffluidmechanics.Attentionsshallbefocussedonthewaterheadlossh2intheinletwaterdistributingcanal.whichshouldnotexceedover10%oftheheadlossh1atthedistributingorifices.Alsothecalcula2tionmethodsoftheheadlossesinthedistributingcanalandtheorificesaredescribed.ExplanationandMaintenanceofCalumetWRPZhouYiping(10)Abstract:Theevloutionandmaintenanceintheforegoing70yearsofCalumetWRP,acomponentbelongingtoMetropolitanWaterReclamationDistrictofGreatChicagoarepresented.TheOrganicConstituentsinWaterandTheirImpactonDrinkingWaterQualityLiXiaodongetal(12)Abstract:Theauthorsdiscussedthetypesoforganicconstituentsinsurfacewatersandtheirimpactondrinkingwaterquality.Themicro2pollutantsfromwastewaterandthedisinfectionby2productshavedirectimpactonthedringingwaterqualityandarethemainorganiccompoundstobecontrolled.Thenaturalorganicsubstancescauseindirectimpactonwaterqualitybyincreasingthecoagulantdosage,theresiduesofaluminumandthedisinfectionby2products.Thealgaecausede2creaseofthecoagulantandfiltratinefficiencyandodorproblems.StudyonNitrificationandDenitrificationofSludgeinHybridBiologicalReactorWuLiboetal(15)Abstract:Sewagewastreatedbyusingthehybridreactorwithporoussuspendedcarriers(polyurethanefoam)asmediaandacomparisionwithconventionalreactorwasmade.Thestudyfocusedonthecapabilityofnitrificationanddenitrificationofthesludgeinthereactors.TheresultshowedthatthehybridreactorhadhighersludgeconcentrationandbetterremovalofpollutantCOD,NH3-NandTNthanthecontrolreactor.WhentheorganicandNH3-Nloadingswerelow,capabilityofnitrificationanddenitrificationofthesludgewasclose.Astheloadingswereincreased,thecapabilityofnitrificationanddeni2trificationofthesludgebecamedeprssed,butthatofattachedsludgebecameenhanced.Capabilityofdenitrificationofsludgeinthehybridreactorwasmuchgreaterthanthatofsludgeinthecontrolreactor.中国科技论文在线