同步脱氮除磷新工艺处理校园生活污水

28620086ActaScientiaeCircumstantiaeVo.l28,No.6Jun.,2008:(1981),,Te:l0931-2972570,Emai:[e-mail];*()Biography:LIANGRuizhen(1981),male;Emai:[e-mail];*Correspondingauthor,,.2008.[J].,28(6):1093-1100LiangRZ,ZhaoEJ,ZhouB.2008.Novelprocessofsimultaneousphosphorusandnitrogenremovalfrommunicipalwastewater[J].ActaScientiaeCircumstantiae,28(6):1093-1100梁锐振1,赵二杰2,*,周宾21.上海昊沧系统控制技术有限公司,上海2011032.兰州理工大学石油化工学院,兰州730050:20070427:20070727:20080331:,(,,!∀),,.,,CODCrNH+4NTNPO3-4P349.84mg#L-132.28mg#L-135.76mg#L-16.45mg#L-1,14.77mg#L-11.46mg#L-15.48mg#L-10.63mg#L-1,957%95.12%84.45%92.01%.,∃%(GB189182002B).:;;;;:02532468(2008)06109308:X703.1:ANovelprocessofsimultaneousphosphorusandnitrogenremovalfrommunicipalwastewaterLIANGRuizhen1,ZHAOErjie2,*,ZHOUBin21.ShanghaiHCSystemCo.Ltd,Shanghai2011032.CollegeofPetrochemicalTechnology,Lanzhouuniversityoftechnology,Lanzhou730050Received27April2007;receivedinrevisedform27July2007;accepted31March2008Abstract:Currentprocessesadoptingactivatedsludgecombinedwithbiofilmstotreatwastewaterareinefficientinphosphorusandnitrogenremova.lSludgeandbiofilmswereprogressivelyculturedasoriginalwatermixedwaterandwastewaterwastewatertogetcomparativelypurebiotainasinglereactor.TheculturedmicroorganismssolvedtheproblemofSRTbetweennitrifyingbacteriaandphosphorusremovingbacteria.Simultaneousphosphorusandnitrogenremovalcanrelievethecompetitionfororganicsaswel.lAspecialphosphorussludgebackflowwasusedtocausethetotalphosphorussludgetoundergoacycleofphosphorusreleaseandphosphorusuptakewhichaddressedtheproblemthatphosphorusandnitrogencannotberemovedtogether.ResultsoflongtermoperationwithlowTKNP/CODCrratiodomesticwastewatershowedphosphorusandnitrogenremovalefficienciesasfollows:whentheinfluentCODCrNH+4NTNandPO3-4Paverageconcentrationswere349.84mg#L-132.28mg#L-135.76mg#L-1and6.45mg#L-1,theconcentrationsintheeffluentwere14.77mg#L-11.46mg#L-15.48mg#L-1and0.63mg#L-1.Thus,theaverageremovalrateswere95.7%9512%84.45%and9201%.Thisprocessshowsthatlong-termoperationofastablenitrogenandphosphorusremovalsystemisfeasible.ThecharacteristicsofthteeffluentsatisfiedtheDischargeStandardOfPollutantsforMunicipalWastewaterTreatmentPlants(GB189182002primarystandardB).Keywords:denitrifyingphosphorus;nitrification;inducedbystep;biofilms;activatedsludge1(Introduction),,,(,2000).:&,10~15d,3~5d;,CODCr,,C/NC/P.Kuba(1996)A2N,28CODCr/N3.4;3.4,100%,,DNPAOs,,3.4,,,CODCr/P26.7.∋,,,NO-3N,,,.,,,,(,2000).,,.NO-3N:A2/OUCTJHB;,DEPHONOX,!∀,,,.,,99%,TNTPCOD85%95%95%(,2000;Liuetal.,1998).(2007),HITNP,COD91.1%88.7%58.1%88.6%.P0.27mg#L-1NH+4N1.74mg#L-1TN1730mg#L-1COD24.38mg#L-1.,.NO-3N,,!∀.2(Summaryandcharacteristicsofthetechnology)2.1工艺概述1..DNPAOsPAOsNO-3N,NO-3N;,DNPAOsPAOsATP,ATP(PHB).NH+4N,DNPAOsNO-3N,,PO3-4P,NO-3N.,NO-3N,NO-3N,,.12%140%75%.1Fig.1Configurationofthesystem10946:2.2工艺特点说明1),,,,..2)NO-3N,TN,,NO-3N.3(Materialsandmethods)3.1试验装置.,PVC,30cm,1.5mm,1.5cm,,80r#min-1,.4~5mg#L-1.1.1Table1Technologicalparametersoflabscalesystem/LHRT/min1.3303.8905.112012.5*270/306.21502.560:*270min30min3.2试验用水水质,..23.NaAcK2HPO4NH4ClKNO3CODCrNH+4NNO-3NPO3-4P,,.pH,(pH8),pH,HClNaOH,pH7.2,20~23(.,DO(,2004).2Table2CharacteristicsofdomesticatingwaterCODCr/(mg#L-1)NH+4N/(mg#L-1)NO-3N/(mg#L-1)PO3-4P/(mg#L-1)pH340)132.0)0.5//7.5)0.2//20.0)0.58.0)0.57.5)0.226)1/6.5)0.5/7.0)0.23Table3CharacteristicsofinfluentwastewaterCODCr/(mg#L-1)PO3-4P/(mg#L-1)NH+4N/(mg#L-1)TN/(mg#L-1)NO-3N/(mg#L-1)pH256.8~428.54.32~9.6222.9~42.0825.89~45.870.15~3.286.53~7.83(349.84)(6.45)(32.28)(35.76)(1.47)(7.18):3.3活性污泥及硝化生物膜的培养方法,..(),,.SBR2∗2∗3().60dNO-3N30.42mg#L-1,109528,,;NO-3N0.08mg#L-1,PO3-4P3.52mg#L-1,.MLSS3825mg#L-11950mg#L-11505mg#L-13425mg#L-1.3.4检测方法CODCr:;TN:;NO-3N:;NH+4N:;PO3-4P:;DO:SensionTM6;pH/:SensionTM1.4(Results)2Fig.2Nitrateconcentrationovertime4.1氨氮和硝氮的去除2,NO-3N0.15~328mg#L-1,1.47mg#L-1,0.03~1.03mg#L-1,0.29mg#L-1.,.,,3.32.28mg#L-134.41mg#L-1.,.,11.46~19.65mg#L-1,15.41mg#L-1.1234~19.34mg#L-1(15.39mg#L-1)(8.39~10mg#L-1)0~0.23mg#L-1(0.07mg#L-1),99.55%.3,NH+4N11.46~1965mg#L-1(15.41mg#L-1)0.26~321mg#L-1(1.73mg#L-1),,NO-2N0.1mg#L-1,88.77%,.,.2,NO-3N12.34~19.34mg#L-1(15.39mg#L-1)2.76~6.02mg#L-1(4.02mg#L-1),73.88%.3Fig.3Dailyvariationofammoniaremoval4.2TN和PO3-4P的去除4Fig.4DailyvariationofTNremoval4,TN.TN,3.36~7.9mg#L-1,5.48mg#L-1,78.26%~9201%,84.45%.TN10966:,52.16%32.55%,84.71%.TN25.29%.5,PO3-4P0.24~098mg#L-1(0.63mg#L-1),8313%~96.13%,92.01%,PO3-4P4.32~9.62mg#L-1(6.45mg#L-1)19.45~31.42mg#L-1(23.65mg#L-1).PO3-4P5PO3-4PFig.5DailyvariationofPO3-4Premoval,PO3-4P19.45~31.42mg#L-1(23.65mg#L-1)5.79~10.68mg#L-1(7.93mg#L-1).,PO3-4PO2.,PO3-4P5.79~10.68mg#L-1(7.93mg#L-1)0.07~0.89mg#L-1(0.35mg#L-1),95.56%.4.3CODCr的去除6,CODCr11.23~22.08mg#L-1,14.77mg#L-1,92.52%~96.92%,95.7%.,CODCr256.8~428.5mg#L-1,349.84mg#L-1,67.3~110.6mg#L-1,8856mg#L-1,71.72%~78.48%,7489%.CODCr,5177~92.17mg#L-1,71.97mg#L-1,CODCr15.48~35.42mg#L-1,2402mg#L-1,66.62%.,CODCr,CODCr7.84~23.54mg#L-1,16.19mg#L-1,7.83mg#L-1,CODCr10.38~22.08mg#L-1,1452mg#L-1,.6CODFig.6DailyvariationofCODremoval4.4流程内各基质的变化7,NH+4NA30min32.43mg#L-130