高氨氮废水稳定亚硝化技术研究卢俊平

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卢俊平1, 杜 兵2, 张 志1, 刘 寅2, 孙艳玲2, 司亚安2(1.内蒙古农业大学水利与土木建筑工程学院,内蒙古呼和浩特010018;2.北京市环境保护科学研究院,北京100037)   : 以人工配制的含氮废水为研究对象,通过控制反应器内废水的pH8.48、碱度1439mg/L、DO0.1mg/L、氨氮容积负荷为0.27kg/(m3·d),在长污泥龄(106d)活性污泥亚硝化系统中成功实现了反应器出水NH+4-N与NO-2-N的浓度比例接近1∶1的稳定亚硝化积累结果,为早日能够运用亚硝化/厌氧氨氧化生物脱氮工艺实现高效生物脱氮提供了科学依据。  : 高氨氮废水; 亚硝化; 污泥龄; 溶解氧:X703  :C  :1000-4602(2010)11-0080-04StudyonStableNitrosationofHighAmmoniaNitrogenWastewaterLUJun-ping1, DUBing2, ZHANGZhi1, LIUYin2, SUNYan-ling2, SIYa-an2(1.CollegeofWaterConservancyandCivilEngineering,InnerMongoliaAgriculturalUniversity,Hohhot010018,China;2.BeijingMunicipalResearchInstituteofEnvironmentalProtection,Beijing100037,China)  Abstract: Takingsyntheticnitrogen-containingwastewaterasresearchobject,throughcontrollingpHatabove8.48,alkalinityatabove1439mg/L,dissolvedoxygenatbelow0.1mg/LandvolumetricloadingofNH+4-Nat0.27kg/(m3·d),astablenitrosationaccumulationwithNH+4-N/NO-2-Nratioof1∶1intheeffluentofthereactorwassuccessfullyrealizedinthelongsludgeage(106d)nitro-sationsystem,whichprovidesthepreconditionforrealizinghighefficientbiologicalnitrogenremovalinanaerobicammoniumoxidationprocess.  Keywords: highammonianitrogenwastewater; nitrosation; sludgeage; dissolvedoxygen  :(8042010); (11010510090113)  、、[1]。,,[2、3]。,、,,。,HellingaSHARON,pH、、[4、5],SHARON、。,/。,。·80·第26卷 第11期2010年6月            中国给水排水CHINAWATERWASTEWATER             Vol.26No.11Jun.20101 试验材料与方法1.1 NH4HCO3K2HPO4、KH2PO4、MgCl·6H2O。,,MLSS=4.243g/L,MLVSS=2.38g/L,MLVSS/MLSS=0.561。1.2 (1),3:,、;,(44.4L);,。1.6m、9.25cm、61L,,。1 Fig.1 Schematicdiagramofnitrosationreactor1.3 NH+4-N:;NO-2-N:N-(1-)-;NO-3-N:;pH、:;DO:;MLSS:103~105℃;MLVSS:600℃。1.4 184d,(1~32d)、(33~70d)、(71~184d)3。1.4.1 NH+4-N150mg/L、NH+4-N0.065kg/(m3·d)、0.048m3/h。NH+4-NNO-2-N50%、20%,NO-3-N。NH+4-N;NH+4-N,,,NH+4-N,NO-2-N。[6]。NO-2-N,NH+4-NNO-2-N1∶1,18,0.068m3/h,。,NH+4-N,NH+4-N50%76%~80%,NO-2-N20%32%~62%,NO-3-N5%,。1.4.2 ,NO-2-N,2635NH+4-N150mg/L200mg/L400mg/L,Na2CO3NaOH,。,35,,NH+4-N95.98%,NO-2-NNO-3-N1.36%、67.18%,NH+4-NNO-3-N。0.028m3/h,DO0.2mg/L0.1mg/L,NH+4-N95.98%19.38%,NO-3-N67.18%22.55%。DO,DO,NH+4-N。0.040m3/h、DO0.1mg/L,,,,[7],,NO-2-N,NO-3-N,NO-2-N·81·卢俊平,等:高氨氮废水稳定亚硝化技术研究第26卷 第11期。1.4.3 ,71,NH+4-N、NO-2-N150160mg/L,NH+4-NNO-2-N54.72%48.06%,NH+4-NNO-2-N1∶1。,,,,,。2 结果与分析2.1 ,,NH+4-N、NO-2-NTN45%、46%,1/2。,NH+4-N、NO-2-NTN45%。180d,NH+4-NNO-2-N1∶1,。2.2 ,NH+4-NNO-3-N,NO-2-N(2),NO-2-N/(NO-2-N+NO-3-N)0.85,NO-3-N。2 Fig.2 Nitrogenoxidesconcentrationinnitrosationeffluent2.3 ,20%,。,,,NH+4-N、NO-2-N、NO-3-N,“”。,,,,、。。TN3。3 Fig.3 ChangesofTNremovalratebynitrosationreactor2.4 ,、,,,。69,(1~2g/L),。,156,1561.327g/L1761.812g/L。,(106d),。MLVSS/MLSS0.6。,,。,79~129d(1),NO-2-N。1 Tab.1 Sludgeageinnitrosationreactor/d/(m3·d-1)/(g·L-1)/gSS/(g·L-1)/d97~1060.05472.811124.750.02979107~1200.05382.615116.050.02298121~1310.06152.270100.740.016102132~1410.04692.313102.650.018122142~1560.04502.21798.370.017129·82·第26卷 第11期              中国给水排水             ,DO,,。,,,,,,。,,0.131kgN/(kgMLVSS·d),,2。2 Tab.2 Microbialactivityinnitrosationreactorineachoperationperiod/(L·d-1)ΔNH+4-N/(mg·L-1)ΔNO-2-N/(mg·L-1)/kg/(kgN·kg-1MLVSS·d-1)/(kgN·kg-1MLVSS·d-1)30.24111.3559.500.10560.03190.01746.63267.32154.030.08940.13950.08053.58194.11172.410.07040.14780.131 : ΔNH+4-NNH+4-N;ΔNO-2-NNO-2-N。3 结论① pH、,、、3NO-2-N,、NO-2-NTN45%,NO-2-N/(NO-2-N+NO-3-N)0.85,NO-2-N,NO-3-N。② pH8.48、0.27kg/(m3·d)、1439mg/L,(106d)、DO(0.1mg/L),NH+4-NNO-2-N1∶1,。③ ,,NO-3-N,,。④ ,,0.131kgN/(kgMLVSS·d)。:[1] ,.[J].,2003,(6):20-21,44.[2] MulderA,vandeGraafAA,RobertsonLA,etal.Anae-robicammoniumoxidationdiscoveredinadenitrifyingflu-idizedbedreactor[J].FEMSMicrobiolEcol,1995,16(3):177-184.[3] vandeGraafAA,MulderA,deBruijnP,etal.Anaero-bicoxidationofammoniumisabiologicallymediatedprocess[J].ApplEnvironMicrobiol,1995,61(4):1246-1251.[4] HellingaC,SchellenAAJJ,MulderJW,etal.TheSHARONprocess:Aninnovativemethodfornitrogenre-movalfromammonium-richwastewater[J].WaterSciTechnol,1998,37(9):135-142.[5] ,.[J].,2003,25(12):50-52.[6] ,,,.[J].,2000,32(1):4-7.[7] ,,.[J].,2003,25(6):333-334.:(0471)4307939 15848142196E-mail:ljpcau@163.com:2009-12-11·83·卢俊平,等:高氨氮废水稳定亚硝化技术研究第26卷 第11期

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