短程硝化与同时硝化反硝化耦合工艺的研究梁越敢

　第32卷第2期　2009年2月合肥工业大学学报(自然科学版)JOURNALOFHEFEIUNIVERSITYOFTECHNOLOGYVol.32No.2　Feb.2009　　　:2008-04-07;:2008-06-19::(1973-),,,.梁越敢,　李学德,　曹德菊,　王万宝(,　230036)　:、,DOC0.5～1.2mg/L,SBR;78.5%,28.1%;pH,,,0.110.47,TN18.0%41.9%;pH7.6。:;;;;:X703.1　　　:A　　　:1003-5060(2009)02-0159-04Researchoncouplingprocessofshort-cutnitrificationandsimultaneousnitrificationanddenitrificationLIANGYue-gan,　LIXue-de,　CAODe-ju,　WANGWan-bao(SchoolofResourcesandEnvironment,AnhuiAgriculturalUniversity,Hefei230036,China)Abstract:Undertheconditionsofconstanttemperatureandlowconcentrationofammoniaandnitrogen,thecouplingprocessofshort-cutnitrificationandsimultaneousnitrificationanddenitrification(SND)isrealizedintheSBRthroughcontrollingthedissolvedoxygen(DO)tobe0.5～1.2g/L.Theaccumulationrateofnitriteandthelosingrateoftotalnitrogenachieved78.5%and28.1respectively.TheeffectsoforganicloadingandpHonthecouplingprocesswereanalyzed,andtheresultsindicatethatwiththeincreaseoforganicloadingfrom0.11to0.47,thelosingrateofTNincreasedfrom18.0%to41.9%,buttheaccumulationrateofni-tritechangedverylittle,andthattheoptimalpHvalueforthecouplingprocesswasabout7.6.Keywords:biologicalremovalofnitrogen;couplingprocess;short-cutnitrification;simultaneousni-trificationanddenitrification(SND);organicloading　　,[1],、、(SND)[2-6]。,[1,7],,。:①NO2-,SNDNO2-N2,NO2-。②,,pH。③SND,。④SND,。,0.5～1.2mg/L,,pH。1　(1)。SBR,1。(2)。,:、、。4L,0.5。。,SV=43.5%、ρMLSS=4072mg/LSVI=106.8,。1.　2.　3.4.　5.　6.　7.1　SBR(3)SBR。SBR1d2,36:4h,1h,1h,6h;36:5h,1h,1h,5h。(4)。SBR,。2:2mg/L1～2mg/L,5d;,0.5～1.2mg/L,。[8],[9],(),200mg/L;50mg/L120mg/L;,、pH7.5;20～25℃。(5)。DO-;SV-0.5h;COD-;-;-N-(1-);-;MLSS-105℃[10]。2　2.1　43d,、2。2　2,,,,,,,89%。,。,[NO2--N/NOx--N(NOx--N=NO2--N+NO3--N)]50%。,NO2--N/NOx--N3。3　,。0.2～0.4mg/L、1.2～1.5mg/L,,,3:。,,FA,,。61,55.7%(50%),。7578.5%,,。160　　　合肥工业大学学报(自然科学版)第32卷　,475。4,TN,TN0TN。4,,。4TN0TN,60min,,,300min28.1%。4　,DO0.5～1.2mg/L,DO,DO;、,,,,。,SND。,,0.5～1.2mg/L,(SND)。2.2　pH(1)。[9,11,12]。,,。DO=0.5～1.2mg/L,,,,5。5,,,TN,0.110.47,TN18.0%41.9%。,,,,、TN;,TN。5　,,。(2)pH。pH。COD、,pH7.0、7.6、8.08.5,pH,6。6　pH6,pH7.6,TNNO2--N,pH。pH,,pH。,pH7.6。3　(1)、(0.5～(165)161　第2期梁越敢,等:短程硝化与同时硝化反硝化耦合工艺的研究3　　　β-PbO2p-NP、,1.5～2.0h,p-NP。,Cl-,。、pHp-NPp-NP,p-NPp-NP。p-NP:,10g/LNaCl,30mA/cm2,2h150mg/Lp-NP99.43%。[　　　][1]　GlazeWH.Drinking-watertreatmentwithozone[J].En-vironScienceTechnol,1987,21(3):224-230.[2]　SametY,ChaabaneES,AmmarS,etal.Electrochemicaldegradationof4-chloroguaiacolforwastewatertreatmentu-singPbO2anodes[J].JournalofHazardousMaterials,2006,138:614-619.[3]　MahalingamT,VelumaniS,RajaM,etal.Electrosynthe-sisandcharacterizationofleadoxidethinfilms[J].MaterialsCharacterization,2007,10:1016-1022.[4]　GhasemiS,KaramiH,MousaviMF,etal.Synthesisandmorphologicalinvestigationofpulsedcurrentformednano-structuredleaddioxide[J].ElectrochemistryCommunica-tions,2005,7:1257-1264.[5]　　,,.PbO2/Ti[J].,2006,13(7):85-89.[6]　,,　,.[J].,2006,19(4):65-69.[7]　,.[J].,1998,20(1):47-49.[8]　　,,,.PbO2/Ti[J].,2006,(5):42-44.[9]　　,,,.[J].,2006,7(5):124-128.[10]　ZhouLM,LeiHC.Electrochemicalregenerationofacti-vatedcarbonloadedwithp-nitrophenolinafluidizedelec-trochemicalreactor[J].ElectrochimicaActa,2006,51:4489—4496.[11]　,,.US/O3[J].,2006,57(2):390-396.(　)(161)1.2mg/L),SBR。(2),,0.110.47,TN18.0%41.9%。(3),pH7.6。[　　　][1]　,,　.[J].,2001,28(4):88-91.[2]　,,,.-[J].,1998,14(1):6-8.[3]　,,.-[J].,2000,16(2):29-31.[4]　　,,.A/O()SND[J].,2006,26(5):710-715.[5]　PochanaKlangduen,KellerJǜrg.Studyoffactorsaffectingsimultaneousnitrificationanddenitrification(SND)[J].WatSciTech,1999,39(6):61-68.[6]　StrousMarc,VanGervenEric,ZhengPing,etal.Ammo-niumremovalfromconcentratedwastestreamswiththean-aerobicammoniumoxidation(anammox)processindiffer-entreactorconfigurations[J].WatRes,1997,31(8):1955-1962.[7]　,,.[J].(),2004,27(10):1292-1296.[8]　,.[J].,1995,8(1):45-47.[9]　,,,.[J].,2003,19(7):1-4.[10]　.[M].4.:,2002:100-300.[11]　,,,.DO[J].,2002,18(5):10-13.[12]　,,　,./(SND)[J].,2001,19(4):17-20.(　)165　第2期单治国,等:锰矿掺杂PbO2电极电催化氧化对硝基苯酚废水的研究