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当前位置:首页 > 商业/管理/HR > 质量控制/管理 > FA与FNA对AO工艺短程硝化处理垃圾渗滤液的影响傅金祥
FAFNAA/O,,(,110168)[],(FA)(FNA)A/O。,300mg/L,,60.79%,,80%。,FAFNA。[];;;[]X703[]A[]1005-829X(2012)05-0048-04EffectofFAandFNAontheshort-cutnitrificationoflandfillleachateinanA/OsystemFuJinxiang,WangYang,YangYong(SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang110168,China)Abstract:Accordingtothespecialwaterqualitycharacteristicsoflandfillleachate,theeffectoffreeammonia(FA)andfreenitrousacid(FNA)ontheshort-cutnitrificationoflandfillleachateinanA/Osystemhasbeenstudied.Subsequently,theshort-cutnitrificationcanbeachievedandmaintainsteadywhentheinitialammonia-nitrogenconcentrationisupto300mg/L,thenitriteaccumulationratereaches60.79%andcontinuestogrowhigheralongwiththeincreaseofinitialammonia-nitrogenconcentration.Theammonia-nitrogenremovingefficiencyalwayskeepsatabove80%.Theinitialconcentrationofammonia-nitrogenhasanenormousinfluenceonthetypeofnitrationofthesystem.ThealternativeinhibitionofFAandFNAisthekeyfactortostart-upandmaintaintheprocessofshort-cutnitrificationsteady.Keywords:landfillleachate;short-cutnitrification;freeammonia;freenitrousacid,、〔1〕。,COD、、,,,,。。,25%,40%,63%〔2〕,4.3〔3〕。,。,,,pH、(DO)、、、(FA)(FNA),FAFNA。FAFNA(AOB)(NOB)。FAFNANOB[](05-K2-11)32520125IndustrialWaterTreatmentVol.32No.5May,201248AOB〔4〕。,FANOB0.1~1.0mg/L,AOB10~150mg/L〔5〕,FA6mg/LNOB〔6〕。FNA0.011mg/L,NOB,0.023mg/LNOB,FNA0.50mg/LAOB〔7〕。11.11,1SBR1SBR。SBR,COD,SBRCOD。SBRSBR,,150、200mm,16、50L。11.2,COD15000~18000mg/L,BOD5000~9000mg/L,NH3-N1600~2200mg/L,pH=7.6~8.5,6000~10000mg/L。SBR,3000mg/L,,。1.3SBR,SBR,BOD。SBR、,、、1。SBR,DO1.0~1.5mg/L;,15~25℃,10h,pH8.0,50%。22.1,2。22,,。(<200mg/L),SBR,,。pHFA,NOB,。FAFNA〔5〕:ρ(FA)=17/14×〔ρ(NH4+-N)×10pH〕/〔e6334/(273+T)+10pH〕ρ(FNA)=47/14×ρ(NO2--N)/〔e-2300/(273+T)×10pH〕16,300mg/L,60%,。,。SBR。2.2FAFNA200mg/L300mg/L,。2012-05,32(5),:FAFNAA/O49,200、300mg/LSBR1,。2.2.1200mg/L200mg/L,SBR13。3,3h,60%,。,FANOB,,,FANOB,。FAFNA,1FAFNA,4。3200mg/L,14200mg/L,1FAFNA,FA7.6mg/L,,FA3h0.7mg/L,NOB,50%,7h,FNANOB。,,,,FNA,,pH。2.2.2300mg/L300mg/L,SBR15。5,2h,,,60%。AOBFA,,,AOB;4h,100mg/L,NOB,110mg/L,FNANOB,,。5300mg/L,1300mg/L1FAFNA,6。6300mg/L,1FAFNA2012-05,32(5)506,FA12.6mg/L,AOB,,pH,FA,AOB,NOBFA;4h100mg/L,pH7.20,FA0.5mg/L,NOB,FNA0.02mg/L,NOB,pH,。FAFNA。pH,pH,,FNA。2.3SBRSBR。1/10、2/10、3/10、4/10、5/10、6/10、7/10,SBR60mg/L,160mg/L,456.27mg/L,。85.82%。(1/10~2/10),70%;3/10~4/10,,;5/10,60%。,80mg/L,FNANOB,3/10~4/10,FNA0.01mg/L,NOB,;5/10,pH,FA3.85mg/L,FAFNA。,>6/10,(900mg/L),FAAOB,。3(1)SBR,200mg/L300mg/L,。(2)1,FAFNANOB。(3)SBR,456.27mg/L,(≥5/10)(1/10~2/10),。[][1].:、、[M].:,2004:11-20.[2]TurkO,MavinciDS.Selectiveinhibition:anovelconceptforremovingnitrogenfromhighlynitrogenouswasteswaters[J].Environ-mentalTechnologyLetters,1987(8):419-426.[3]ChungJW,BaeW.Nitritereductionbyamixedcultureunderconditionsrelevanttoshortcutbiologicalnitrogenremoval[J].Bio-degradation,2002,13(3):163-170.[4]VadiveluVM,KellerJ,YuanZ.FreeammoniaandfreenitrousacidinhibitionontheanabolicandcatabolicprocessesofNitrosomonasandNitrobacter[J].WaterScienceandTechnology,2007,56(7):89-97.[5]AnthonisenAC,LoehrRC,PrakasamTBS,etal.Inhibitionofnitrificationbyammoniaandnitrousacid[J].WaterPollutionControlFederation,1976,48(5):835-852.[6]VadiveluVM,KellerJ,YuanZhiguo.EffectoffreeammoniaontherespirationandgrowthprocessesofanenrichedNitrobactercultu-re[J].WaterResearch,2007,41(4):826-834.[7]VadiveluVM,YuanZhiguo,FuxC,etal.TheinhibitoryeffectsoffreenitricacidontheenergygenerationandgrowthprocessofanenrichedNitrobactorculture[J].EnvironmentalScienceTechnology,2006,40(14):4442-4448.————————[](1955—),2000,,,。:。E-mail:wangyang85@126.com。[]2012-03-14()2012-05,32(5),:FAFNAA/O51
本文标题:FA与FNA对AO工艺短程硝化处理垃圾渗滤液的影响傅金祥
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