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1。、。2NH3-NN2NxO2。211。NO2-NO2-2。NH4++O3NO2-+O3NO3-!######$NO3-%&+NO2-+N2!########$1NH4-+O3NO2-!####$NO2-%&+N3!####$212NO2-。NO2-NO3-NO3-NO2-5%。HNO2。2。3HNO2。2。NH4+NO2-NO2-3。NO2-NO2-/NO3-+NO2-0.5。NO2-NO2-。NO2-FA、pH、、HNO2110031HNO2FA、pH、、DO。HNO2AbstractTheprincipleofshortcutnitrification-denitrificationwasintroduced.TheresultsshowedthatthefactorsinfluencingtheaccumulationofHNO2werefreeammonia,pHtemperature,dissolvedoxygenandsludgeage.Thenmethodsforachievingshortcutdenitrificationwereputforward.Keywordsshortcutnitrification-denitrification;denitrification;HNO2;nitrosobacteria;nitrobacteriumX703.1A1674－1021201006-0055-042010－05－122010-06-04。1979。55DO、。NO2-FADO。3.1FApHNH3NH3·H2ONH4+2。FA2FA0.6mg/LFAHNO2。FA5mg/L40mg/L。368NH4++H2O圳NH3·H2O+H+3∵Ka=NH3·H2圳圳O·H圳圳+NH4圳圳+4∴NH4圳圳+=NH3·H2圳圳O·H圳圳+H2圳圳O·Ka5∵NH3·H2O圳NH4++OH-6∴Kb=NH4圳圳+·OH圳圳-NH3·H2圳圳O7∵H2O圳H++OH-8Kw=H圳圳+·OH圳圳-94×79Ka·Kb=Kw圯KbKw=1Ka107NH3％=NH3·H2圳圳ONH3·H2圳圳O+NH4圳圳+=11+H圳圳+/Ka11911HN3％=11+H圳圳+·Kb/Kw=10pH10pH+Kw/KbpH=-lgH圳圳+圯H圳圳+=10-p圯圯H12NH3圳圳=1714×NH4+-圳圳N×10pHKb/Kw+10pH1313NH3KaNH4+KbNH3·H2OKwKbKw、pH。pHFAHNO2HNO2。HNO2HNO2。FAHNO2HNO24。pH。3.2pHpH31。pHH+OH-H+OH-。2。OH-CO32-HCO3-pH。H+HCO3-。WettHCO3-HCO3-。3pHFA2。pH2pHpH。pH。pH7.5~8.06.0~7.5。pH6.5。pH8HNO2HNO2。13pHFAFA。pHFAHNO25。6NO2-pH7.4~8.37NO2-pH7.5~8.882SBRpHIIIIIIpH6.88.28.8。pH7.0~8.5。3.34~45℃20~35℃15℃562。12~14℃HNO29。15~30℃。30℃HNO2。1415KN=100.051T-1.15!814μNmax=0.47e0.098T-1!5151415T℃KNmg/LμNmaxd-1。Balmelle10～20℃FANO2-NFA。20～25℃。25℃FAFANO2-N。3.4DODO2mg/LDODO2mg/LDO。20.2~0.4mg/L、1.2~1.5mg/L。。DO0.8mg/L。HNO2。DO1.0~0.5mg/L。SBR:NO3-NO2-。RuizDO0.7~1.4mg/LNO2-DODO0.5。。LisbonK0.7mg/L。。3.5NH3-NNO2-N,,,,。Pollic84d3dVSS0.72g/L0.10g/L0.55g/g5.0g/g3.2mg/g·h-137.9mg/g·h-110。VanKempenSharon1～2.5d11。3.6、。。、/、。YangNH4+NO2-NH2OH/NH3OH+NO2-。TurkMavinic1986FA。。NO2-NNO2-N50％。NO2-N。4。25715~30。2。SBR9DAT2880IAT1376。。。3。。4-5N=G×P×10-275η×2.05NGm3/hPkPa。。4。。、。。。SBRSBR。1.M.2006.2.M.2009.3.M.:2009.4.M.,2009.5.M.:,2004.。SBR。HNO2。1.J.20001611-19.2SuJ.L.andOuyangC.F.NutrientremovalusingacombinedprocesswithactivatedsludgeandbiofilmJ.WaterSciTechnol1997341-2477-486.3.M.2000.4.J.2000,3211-7.5T.T.LEEeta1.,DynamicModelingandSimulationofActivatedSludgeProcessUsingOrthogonalCollocationApproachJ.Water.Res.1999,33173-86.6.J.1999,25737-39.7.J.2003,17940-42.8.pH/J.2001,154346-350.9LisbonK,MckeanM,ShekarS,etal.Effectofdissolvedoxygenonoxic/anoxicdiauxiclagofP.denitrificansJ.JEnvironEngASCE,2002,1284:391-394.10PolliceA,TandoiV,LestingiC.InfluenceofaerationandsludgeretentiontimeonammoniumoxidationtonitriteandnitrateJ.WaterResearch,200236:2541-2546.11VanKempenR,MulderJW,UijterlindeCA,etal.Overview:fullscaleexperienceoftheSHARONprocessfortreatmentofrejectionwaterofdigestedsludgedewateringJ.WaterScienceandTechnology,2001,441:145-152.5458