SBR反应器内短程硝化系统快速启动及影响因素研究解庆林

32SBR12*33331.5428002.5410043.541004SBRDO、pH、、。SBR1.0~1.6mg/L35±1℃。280~300mg/LHRT12hpH7.5~8.5、28±1℃、0.8~1.2mg/L90%95%。COD50mg/L。SBRDOpHX703A1003-6504(2009)02-0134-04StartupandFactorsAffectingofPartialNitrificationinSequencingBatchReactorXIEQing-lin1LIXiao-xia2*LIYan-hong3YOUShao-hong3ZHANGLu-wen3WEIWen-hui31.HezhouCollegeHezhou542800China2.GuilinMunicipalDesignInstitute,Guilin541004,China;3.DepartmentofResourceandEnvironmentalEngineering,GuilinUniversityofTechnologyGuilin541004ChinaAbstractAutotrophicshortcutnitrificationprocessstartupwasstudiedtotreatwastewaterwithhighammoniaconcentrationusingsequencingbatchreactorSBR.EffectofDOconcentrationpHtemperatureandcarbonsourceonthenitriteaccumulationratewasinvestigatedrespectively.Thereactorwasinoculatedwithnitrifyingsludgeandpartialnitrificationrealizedbyusingcompleteautotrophicbacteria.NitriteaccumulationwascompletedinDOconcentrationof1.0~1.6mg/Landtemperatureof35±1℃.Resultsshowedthatmorethan90%ofammoniumremovalefficiencyand95%ofnitriteaccumulationratecouldbeachievedwheninflowammoniumconcentrationrangewas280~300mg/LwithreactionconditioncontrolledasHRTat12hpH7.5~8.5temperature28±1℃andDOconcentrationat0.8~1.2mg/L.WithadditionofCODascarbonsourceandcontrolto50mg/Lnitriteaccumulationrateandammoniumremovalratewillbeperfectlystable.KeywordsautotrophicshortcutnitrificationsequencingbatchreactorSBRdissolvedoxygenDOpHnitriteaccumulationrate10%~13%[1]。。-[2-4]。、。。11.11。11[e-mail]*[e-mail]。EnvironmentalScience&Technology32220092Vol.32No.2Feb.200923.8L。NaHCO3pH。SBR2。10min、11h、40min10minSBR50%。NH4Cl、NaHCO3、CH3COONa·3H2O、KH2PO4。NaHCO3pH。1.0~1.6mg/L35±1℃pH7.5~8.5。1.0~1.6mg/L35±1℃。0.5~1.0mg/L32±1℃。、、pHCOD。1。1.2VSSSSmVSS/mSS0.56SVI143mL/g。VSS2.65g/L。22.122d2150~200mg/L＜30mg/L1.0~1.6mg/L143.6mg/LNO2--N50mg/L。12d0.5~1.0mg/L200mg/L300mg/L15d10mg/L10.3mg/L250mg/L85%。。320mg/L71.5mg/L。33d300mg/L90%95%SBR。2.2pHpH6.88.7280~300mg/LpH。3pH6.8~7.55%pH7.5~8.590%pH8.5~8.7pH。pH7.5~8.5Sinha[5]。1Table1Characteristicsofexperimentsmg/LNH4+-N120~320MgC12·7H2O100(mg/L)NO2--N0CaCl235(mg/L)NO3--N0Fe-EDTA1.5(mL)KH2PO4601(mL)SBR135322.3428℃13%~18%5%80%28~32℃SBR90%。32~35℃60%。28℃。[6]30~32℃。30~32℃19.5~23.5℃50。。2.4DODODODO。0.2~0.4mg/L1.2~1.5mg/L。DODO0.5mg/L60%30%。[7-9]。5DO0.5~0.8mg/LDO90%DO0.8~1.2mg/L90%94.8%DO1.2~1.7mg/LDO80%。0.5~1.2mg/L。13622.5DO。pHDO。DO30℃0.3~0.5h-130℃0.085h-1DODO[10]。6COD50~80mg/L2COD20%COD。3COD40%COD。COD50mg/LCOD40%。3135±1℃SBRDO1.0~1.6mg/LpH7.5~8.522d300mg/L90%95%SBR。2pHpH7.5~8.590%。3DO0.5~1.2mg/L90%94.8%28~32℃SBR90%。4COD50~80mg/L40%。[][1]JingJia-chaoWanTian-yingZhangYan-qiu.Aanlysisanddiscussiononaffectingfactorsofshortenednitrificationprocess[J].IndustrialSafetyandEnvironmentalProtection2000261121-23.[2]WangPengLinHua-dong.Analysisonfactorsaffectingshort-termnitrification-denitrifucation[J].IndustrialWaterandWastewater200738212-15.[3]DuYueChenShengSunDe-zhi.Short-cutnitrificationoflandfillleachatebyaerobicmoving-bedbiofilmreactor[J].EnvironmentalScience20072851039-1043.[4]DengShi-huaiLiXiao-luLiYuan-wei,etal.Researchofshortcutnitification-denitrificationinSBRunderthere－al-timecontrol[J].ChineseJournalofEnvironmentalEngi－neering,20071870-73.[5]SinhaBAnnachhatreAP.Assessmentofpartialnitrifica－tionreactorperformancethroughmicrobialpopulationshiftusingquinineprofileFISHandSEM[J].BioresourceTech－nol200798183602-3610.[6]GaoDa-wenPengYong-zhenWangShu-ying.Stabili－tuyofshortcutnitrification-denitrification[J].EnvironmentalScience200526163-67.[7]PhilipsSLaanbroekHJVerstraeteW.Origincausesandeffectsofincreasednitriteconcentrationsinaquaticenviron－ments[J].RevEnvironSciBiotechnol20021115-141.[8]ZhangXiao-lingWangZhi-ying.Short-cutnitrificationinabiologicalturbulentbedreacor[J].EnvironmentalScienceandTechnology,200629128-30.[9]GuisasolaAubanyIBaezaJAetal.Respirometricesti－mationoftheoxygenaffinityconstantsforbiologicalam－moniumandnitriteoxidation[J].JChemTechandBiotech2005804388-396.[10]JangYanTaoGuan-hong.Short-cutnitrificationindo－mesticwastewatertreatmentbyusingmembranebioeactor[J].EnvironmentalScienceandTechnology2007301195-97.SBR137