SBR快速实现短程硝化及影响因素张立成

95Vol．9No．520155ChineseJournalofEnvironmentalEngineeringMay2015SBR121333*1．1101682．1101683．510060SBR。30±1℃、pH7．8～8．229d95%。DO1.0mg/L。pH25～35℃、pH7.8～8.291%。pHX703.1A1673-9108201505-2272-05AchievementandinfluencingfactorsofshortcutnitrificationinSBRprocessZhangLicheng12DangWei1XuHao3LiJie3SuiJun31．CollegeofMunicipalandEnvironmentalEngineeringShenyangJianzhuUniversityShenyang110168China2．ArchitecturalDesignandResearchInstituteShenyangJianzhuUniversityShenyang110168China3．GuangzhouMunicipalEngineeringDesignandResearchInsitituteGuangzhou510060ChinaAbstractBasedontheestablishedsequencingbatchreactorSBRtheexperimentintendedtoprobein-tothemaincontrollingfactorstoachievetheshortcutnitrificationofurbansewage．Theresultsshowedthatitjusttook29daystosuccessfullyachieveshortcutnitrificationundertheconditionsoftemperatureof30±1℃pHof7．8～8．2andintermittentaeration．Besidesthenitriteaccumulationratewasaround95%．Bycomparisontheintermittentaerationisbetterthanthecontinuousaeration．Intermittentaerationcouldeffectivelymakedis-solvedoxygenDOconcentrationunder1．0mg/Lwhichwasconducivetoshortcutnitrification．Theaccumu-lationofnitritehadabettereffectundertheconditionsofthetemperatureof25～35℃influentpHof7.8～8.2andtheaccumulationratewasmorethan91%．KeywordsSBRshortcutnitrificationintermittentaerationDOtemperaturepH201300000119KY-2011-0522014－03－242014－04－171972—。[e-mail]*[e-mail]-、。、、、、。、、pH1。、。11．1SBR1。SBR1200mm300mm200mm230L。5SBR1SBRFig．1SchematicdiagramofSBR10mm。1．21．2．1CH3COONa、NaHCO3、NH4ClKH2PO4NH+4-N40～60mg/LCOD70mg/LpH7．8～8．2。1．2．2。1．2．3NH+4-NNO－2-NN-1--NO－3-NDOWTWoxi330ipHstarter3cpHCOD。22．1SBR30±1℃、pH7．8～8.2、COD70mg/L、NH+4-N40～60mg/L。SBR13h0.5h、12h2h/1h/4、0.5h。3.2m3/h。2Fig．2VariationofammoniaremovalandnitriteaccumulationrateduringstartupshortcutnitrificationSBR26NOBAOBAOBNOBpHNOBAOB2AOB2-471484%61%15d2994%95%。NO－2-N/NO－2-N+NO－3-N%50%。C/N。pHC/NAOB37229。2．2。SBR210．5h→2h/1h/2h/1h/2h/1h/2h/1h→0.5h。20．5h→8h/4h→0.5h。322DO1.0mg/L/DO0.2～1.0mg/LDODO9.8mg/LDO2.1mg/L。DOAOB5AOBDOAOB。DODO。3DOFig．3VariationofDOconcentrationunderdifferentaerationconditionsDO。4DODO1.0mg/L。AOBNOB6DO1.0mg/L78DO1.0mg/LAOB。4Fig．4Variationofeffluentnitriteconcentrationunderdifferentaerationconditions2．3、、。4～45℃9。Hellinga1030～35℃Balmelle11Yoo1222～27℃15℃Yang13SBR11.18～25℃95%。NH+4-N45mg/L、pH8.0。510℃8mg/L53%10℃AOB。10～25℃AOB47225SBR25℃90%40℃35℃。AOB25～35℃。5Fig．5Accumulationofnitriteindifferenttemperatures2．4pHpH。30℃pH7．4、7．6、7．8、8．0、8．2、8．48．6。1pHSBRTable1EffluentqualityfromSBRunderdifferentinfluentpHlevelconditionspH%mg/Lmg/L%7．475．578．973．5371．767．681．0515．732．9684．167．890．5420．951．8991．738．092．1427．381．2295．738．294．2331．230．9996．938．480．6028．461．1596．128．675．8225．781．4394．741pH7．8～8．290%。NH3·H2ONH+42pHpHFA14。pH＜7.8FAAOBFA15pHAOB。pHpH＞8.2FAAOBAOB。pHAOBpHAOBNOBpHpHpHFAFAAOBNOB。AnthonisenAOBFA10～150mg/LNOBFA0．1～1.0mg/L16。pHpH7.8～8.2。31pHAOB。30±1℃pH7．8～8．2。2DODO。DO1.0mg/LAOB。325～35℃。10～35℃35℃AOB。4pHAOBFA。pHFAAOBpHFAAOBpH7．8～8．2。1．pH．20113771067-107257229WangS．Y．LiL．LiL．Y．etal．EffectofinitiativepHvalueonaccumulationofnitriteduringtheprocessofrapidstart-upofpartialnitrification．JournalofBeijingUni-versityofTechnology20113771067-1072inChi-nese2．．2009293516-520ShangH．L．PengY．Z．ZhangJ．R．etal．Theeffectoftemperatureonshort-cutnitrificationanddenitrification．ActaScientiaeCircumStantiae2009293516-520inChinese3．．2005282100-103ZuB．ZhangD．J．LuP．L．etal．Enrichmentculti-vationofammoniaoxidizerfromnormalactivatedsludge．JournalofChongqingUniversityNaturalScience2005282100-103inChinese4．．20104139-13SuG．Q．PengY．Z．Researchprogressofwaystorealizeshort-cutnitrification-denitrification．IndustrialWater＆Wastewater20104139-13inChinese5．SBR、．200821625-28ZhangQ．XuG．X．WuW．W．etal．Achievementmaintainmentandstabilityofshortcutbiologicalnitrificationinsequencingbatchreactor．UrbanEnvironment＆UrbanEcology200821625-28inChinese6WiesmannU．Biologicalnitrogenremovalfromwastewater．AdvancesinBiochemicalEngineeringBiotechnology199451114-1537．．200935235-239HangY．LiD．ZhangJ．Studyonthepartialnitrifica-tionofmunicipalsewageinroomtemperature．Water＆WastewaterEngieering200935suppl235-239inChi-nese8．DOpH．2008341219-22FuJ．X．HanJ．Y．QiJ．H．etal．Studyontheshortcutnitrificationprocessunderlowdoandhighphcon-ditioninnormaltemperature．TechnologyofWaterTreat-ment2008341219-22inChinese9．SBR．2009293312-317LiL．Y．PengY．Z．YangQ．etal．Factorsoptimiza-tionofrapidstart-upforpartialnitrificationinSBRprocess．ChinaEnvironmentalScience2009293312-317inChinese10HellingaC．SchellenA．A．MulderJ．W．etal．ThesharonprocessAninnovativemethodfornitrogenremovalfromammonium-richwastewater．Wat．Sci．andTechn-ol．1998379135-14211BalmelleB．Studyoffactorscontrollingnitritebuild-upinbiologicalprocessesofwaternitrification．Wat．Sci．andTechnol．1992265-61017-102512YooH．AhnK．H．LeeH．J．etal．Nitrogenremovalfromsyntheticwastewaterbysimultaneousnitrificationanddenitrificationvianitriteinanintermittently-aeratedreac-tor．Wat．Res．1999331145-15413YangQ．PengY．Z．LiuX．H．etal．Nitrogenremovalvianitriteformmunicipalwastewateratlowtemperaturesusingreal-timecon