短程硝化反硝化生物脱氮过程的影响因素研究王敏

22420098POLLUTIONCONTROLTECHNOLOGYVol.22,No.4Aug.,2009-　,　(陕西科技大学资源与环境学院,陕西西安　710021)　:-,,,HNO2。:NO-2-N、、pH、、,-。:;-;:X703.1　　　:AStudyontheFactorsInfluencingShortcutNitrification-DenitrificationProcessWANGMin,WANGJian-gen(CollegeofResourceandEnvironment,ShanxiUniversityofScienceandTechnology,Xi'an,Shanxi710021,China)Abstract:Shortcutnitrification-denitrificationisaprocessofbiologicaldenitrificationintheconditionofanoxiaviacontrollingthenitrificationinthestageofnitrosificationcation.ThemostimportantthingishowtocontrolthefactorsaffectingtheaccumulationofHNO2duringthenitrificationprocess.TheresultsshowthatfactorsinfluencingtheaccumulationofNO2-Naretemperature,freeammonia,pH,dissolvedoxygen,harmfulsubstanceandsludgeage.Thencontrolledconditionsinrealizingshortcutdenitrificationareputforward.Keywords:biodenitrification;shortcutnitrification-deitrification;NO2-N:2009-02-27;:2009-04-07:　(1984—),,,,。　,、、、、,HNO2,,-,,NO-2,NO-2,NH+4※NO-2※N2。-(nitrosificationdenitrification,ND),、,:、DO、pH、(FA)、,-,。1　1.1　温度-,1。1,。4～45℃,12～14℃,,NO-2,;15～28℃,NO-2NO-3;28℃,,,NO-2。20～35℃,15℃,。NO-2-N,·60　　　·　.-2241　/℃NO-2-N/%NH+4-N/%　　　　　　CAST[1]3590pH,-SBR[2]28±19278.90.5mg/L,1mg/L。SBR[3]3090,,,20℃,HSMBR[4]3060.5～89.592.8-,15%SBR[5]28±0.580,SBR[6]28～2982.2～83.5≤19.6℃,27℃,28℃,28～40℃。,28℃,28℃,,。35℃(40℃),。1.2　溶解氧(DO)浓度,DO2。2　DODO/(mg·L-1)NO-2-N/%NH+4-N/%　　　RBC[7],0.560%,30%SBR[2]0.59387.6,DO0.5mg/LHSMBR[4]0.586.492.8DO,SBRCAST[8]≈080DO,CAST　　RBC()　,,DO(0.5mg/L),,,,NH3-NNO-2-N,,NO-2-N,,。2,DO0.5～1.0mg/L,。DO,,,,,。,,NH3-NNO-2-N,。,,。1.3　pH值,pH3。3,pH。SHARON,pH[9],pH5.5,,pH7.5～9.0(8.0～8.5)。[10]20～30℃,pH7.5～8.8,-,95%。pH7.4～8.3,pH8.0。pH,pH7.5～8.5,pH7.0～7.5,pH8.0,HNO2,HNO2。pH,pH,,,20098　.-·61　　　·3　pHpHNO-2-N/%TN/%　　　SBR[11]8.399[12]7.5～8.067.786.9pH,SBR[13]7.8～8.790pH。FASBR[14]9.6396.899pHC(FA),pH8.0。28℃、DO0.5～2mg/L、COD27mg/L、NH3-N74.41mg/L、pH8.53,,,2h,95%,95.8%,,pH7.5～8.8。1.4　游离氨(FA):FA,FA、0.1～1.0mg/L10～150mg/L,FA。FA,,,。,,FA,0.1～1.0～10mg/L。Abeling[15]:FA5.0mg/L。FA1.0～1.5mg/L,,;FA7.0mg/L,。Kong[16]:FA24mg/L,,FA56mg/L,。DBougard[17]SBR,-,SBR,HClNaCO3,pH7.07.5,,,pHFA。:pH7.5,0～120min,FA0.95mg/L0.2mg/L,,FA。pH7.0,0～90min,FA0.2mg/L,。[13],(28±1)℃,pH7.8～8.7,,,,C(FA)0.52～4.72mg/L,。Joanna[18],pH8,FA1～6mg/L,0.04mg/L,。pH,FA,pH。FA,pH、,FA,,FANO-2-N,。1.5　泥龄及有毒物质,、、、,,,,,(HRT),,,,。:(HRT)3h,。Pollice[19],,ND,SRT10d。,HRT,,,。[20],NDA/O,HRT9h。[21],18～25℃,A/O,·62　　　·　.-224HRT,NO-2-N。,-,FA0.06～1.02mg/L,0.25mg/L,Na2CO3,FA1.31～3.22mg/L,。,,NH3-N,FA。,,FA(0.06mg/L),。,FANO-2-N。-,、。、pHFA。,28～35℃、DO0.5mg/L、pH7.5～8.5、FA5～10mg/L,HNO2。2　-,-:Kuai[22]OLAND(oxygenlimitedauto-trophicnitrificationdenitrification),。SBR,,“”。DO,,,。,。OLAND,,OLAND。1997,Mulder[1]SHARON,HNO2100%。CSTR,(30～35℃),,,,HNO2。SHARON,pH。SHARON1998Dokhaven,-。[23]SHARON,COD,,6.5～10d,COD80%,95%,pH8、35℃。3　　,、、pH、FA,,-,,、、、、。,,,pH、DO、。,-,pH、DO、,。[][1]　MulderJW,RogiervanKempen.NremovalbySHARON[A].AWQconference[C].[s.1.]:[s.n.],1997.30-31.[2]　,,.[J].,2005,56(4):699.[3]　,,,.[J].,2006,32(6):12.[4]　　,,.A/OHSMBRSND[J].(),2007,31(4):365-369.[5]　,,,.[J].,2006,22(19):39.[6]　,,./[J].,2002,12:88-93.[7]　HanakiK,WantawinC,Ohgaki.NitrificationatLowLevelsofDissolvedOxygenwithandWithoutOrganicLoadinginaSus-pendenGrowthReactor[J].WatRes,1990,24(3):297.[8]　,,,.[J].,2003,19(7):1-4.[9]　Vandu,Jettenmsm,Vanlmcm.TheSHARONANAMMOXProcessforTreatmentofAmmonium-richWastewater[J].WatSciTechnol,2001,44(1):153-160.[10]　,.[J].,2003,9(1):40-42.[11]　,,　,.[J].,2002,25(3):81-84.[12]　,　,.[J].,2008,30(4):6-9.(下转第108页)·108　　·.2246　mg/L2039270.3200.0140.3263.6　水样测定及加标回收,7。7　mg/L/%a/(mg·L-1)0.1020.100.98098b/(mg·L-1)0.2030.200.19597c/(mg·L-1)0.3010.300.305101.3d/(mg·L-1)0.4030.400.410101.7　　7,97%～101.7%,。4　　,,,,,。[][1]　.[M].4.:,2002.244-248.[2]　.[M].2.:,1984.(上接第62页)[13]　,,,.pH[J].,2005,37(12):5660-5662.[14]　,,,.[J].,2003,23:163.[15]　AbelingU,SeyfriedCF.Anaerobic-aerobicTreatmentofHigh-strengthAmmoniaWastewaterNitrogenRemovalVianitrite[J].WatSciTech,1992,5(6):1007-1015.[16]　KongZP,VerstraeteW.AutomatedRespirationInhibitionKi-neticsAnalysis(ARIKA)withaRespirographicBiosensor[J].WatSciTechnol,1994,30(4):275-284.[17]　BougardD,BernetN,Che'nebyD,etal.NitrificationofaHigh-strengthWasterwaterinanInverseTurbulentBedReactor:EffectofTemperatureonNitriteAccumulation[J].ProcessBio-chemistry,2006,41(1):106-113.[18]　JoannaSurlnaczGraskaCichon.NitrogenRemovalfromWastewaterwithHighAmmoniaNitrogenConcentrationViaShorterNitrificationandDenitrification[J].WatSciTech,1997,36(10):73-78.[19]　PolliceA,TandoiV,LestingiC.InfluenceofAerationandSludgeRetentionTimeonAmmoniaOxidationtoNitriteandNi-trate[J].WatRes,2002,36:2541-2546.[20]　　,,　,.A/O(),[J].,2006,26(5):703-709.[21]　　,,,.A/O[J].,2002,18(12):5-8.[22]　KuaiLP,VerstraeteW.AmmoniumRemovalbytheOxygen-LimitedAutotrophicNitrification-DenitrificationSystem[J].ApplEnvMicrobio,1998,11:4500-4506.[23]　,,,.SHARON[J].,2008,44(1):11-23.(上接第100页)“———P95%～105%[3]”。4　　(1)IC2TOC,TOC,≥21%,TC-ICTOC,TOC。,。Cl-≥20000mg/L,TOC,;Cl-≤20000mg/L、SO2-4≤1000mg/L、NO-3≤200mg/LPO3-4≤200mg/L,TOC。(2)、,TOC,,。(3),、TOC。[][1]　《》.[M].4.:,2002.236-239.[2]　,,.[J].,1998(6):45-48.