固定化包埋填料高氨氮负荷下短程硝化稳定运行特征杨宏

116Vol．11No．620176ChineseJournalofEnvironmentalEngineeringJun．2017Z1611000045160102015－12－282016－03－181963—。[e-mail]**100124DO、、pH、DO31±1℃、7.8～8.2、1.8～2.0mg·L－150mg·L－115%3.03～14.18mg·L－1NOBAOB55d200mg·L－128.29mgNH+4-N·L·h－1＞97%NO－2-N/NO－x-N＞85%。SBＲFAX703.1A1673-9108201706-3369-06DOI10.12030/j．cjee．201512214ShortcutnitrificationofstableoperationofimmobilizedactivefillerunderhighammonialoadingYANGHong*WUChengfengWANGXiaoleGUANQingkunLIUYiKeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentＲecoveryEngineeringBeijingBeijingUniversityofTechnologyBeijing100124ChinaAbstractTostudyonshortcutnitrificationstableoperationofimmobilizedactivefillerathighammoniaload-ingtheexperimentusedacertainamountofembeddedactivefillerasacarriertotreatammoniawastewaterbymanualconfigurationinasequencebatchreactor．TheresearchexploredDOandorganicsrangeastheinfluencefactorsofshortcutnitrification．Duringacclimationthereactorranunderthefollowingoptimalconditionstem-peratureof31±1℃DOof1.8—2.0mg·L－1pHof7.8—8.2andfillingrateof15%．Theconcentrationoforganicswasalwayslowerthan50mg·L－1aboutinfluent．TheAOBdevelopedthedominantbacteriaofim-mobilizedactivefillerbyhighfreeammonia3.03—14.18mg·L－1inhibitoryactiontoNOB．Theresultsshowedthattheammoniaremovalratewasupto97%nitriteaccumulationrateNO－2-N/NO－x-N＞85%bycon-trollinginfluentammoniaconcentrationat200mg·L－1duringshortcutnitrificationofstart-upandstableopera-tionof55dayswhereastheammoniaremovalratewas28.29mgNH+4-N·L·h－1．Thetestalsoinvestigatedtheactivefillerloadofshockresistanceandasinglecyclecharacteristicsofshortcutnitrificationoperation．KeywordsSBＲimmobilizedactivefillerFAshortcutnitrification25%40%、、、1-34。11。“”“”、、。、、。dissolvedoxygenDOfreeammoniaFAnitriteoxidizingbacteriaNOBammoniaoxidizingbacteriaAOBSBＲ。11.1100mg·L－1NH4Cl382.81mg·L－1NaHCO31272.02mg·L－1KH2PO4112mg·L－1CaCl2·2H2O111mg·L－1MgSO415mg·L－1FeSO4·7H2O11.1mg·L－1NaCl500mg·L－1H3BO314mg·L－1MnCl2·4H2O990mg·L－1CuSO4·5H2O250mg·L－1CoCl2·6H2O240mg·L－1ZnSO4·7H2O430mg·L－1NiCl2·6H2O190mg·L－1NaMoO4·2H2O220mg·L－11L1mL。1.2NH+4-NNO－2-NN-1--NO－3-NpHPHS-2CpHDOWTWinoLabOxi73101.31Fig．1Diagramofnovelimmobilizednitrobacteriumactivefiller。1.120d90%2%/A2%CaCO3CaCO3/105℃30min35～40℃BAB。-51.5hpH8～1024h1.01～1.0310mm10mm250kg·m－3950m2·m－3。1.4SBＲ185mm700mm18.8L。。073362Fig．2Experimentalsetup22.14～45℃AOBNOB6-9。HELLINGA630～35℃。YANG9SBＲ11～25℃95%。31±1℃。2.2DO3DO、Fig．3EffectofDOonnitriteaccumulationrateandammoniumremovalrateWIESMANN10AOBNOB0.3、1.1mg·L－1AOBO2NOBDO0.3～1.1mg·L－1AOBNOB。11DO2.5mg·L－1DO0.5、1.0、1.5、2.0、2.5、3.0、3.54.0。3。DO1.096%0.2kgNH+4-N·m3·d－1DODO2.0mg·L－186%0.64kgNH+4-N·m3·d－1。DO4.0mg·L－11.5kgNH+4-N·m3·d－160%。1.8～2.0mg·L－1。2.3DO、pHDO2.0mg·L－150mg·L－180%120mg·L－120d0.3～0.5h－1DO50mg·L－1。2.431±1℃DO1.8～2.0mg·L－1NaHCO3Na2CO3pH7.8～8.250mg·L－1。1733111P1415d45mg·L－1AOBNOBNOB30%～45%1585%。2P2P316d45d96mg·L－1200mg·L－150mg·L－125d93%P345～55d200mg·L－18mg·L－1＞97%28.29mgNH+4-N·L·h－1NO－2-N/NO－x-N＞85%5。3P456～75d12h4350mg·L－1AOB、NOBAOBFA40mg·L－128.14mgNH+4-N·L·h－188%。P1、P2P33。12。。4p5200mg·L－17h10mg·L－1、96%、88%。4SBＲFig．4ChangesofnitrogeninSBＲrecator5SBＲ、Fig．5ChangeofnitriteaccumulationrateammoniumremovalrateandammoniumloadingrateinSBＲreactor2.5pH、FApHAOBpHpHFAAOB。pHpH6.0～7.5pH7.0～8.513。FA1427336NH+4+OH－NH3+H2OFA=1714NH+4－N×10pHexp6334()273+T+10pH6pHFAFig．6EffectofpHonFAFAmg·L－1T℃NH+4-Nmg·L－1200mg·L－130℃pH6。2.6209.5mg·L－1、、、pHDO7。7.5h、pHDO7pH、DO、、Fig．7VariationsofpHvalueDOammonianitriteandnitrateviatimeinonecyclepH7.5h“15”NH+4-N、pHDOFA28.370.61mg·L－1NOBH+CO2pH。pH、DO。3115%、DO、pH31±1℃、1.8～2.0mg·L－1、7.8～8.2、0～50mg·L－1SBＲpH、FA28.29mgNH+4-N·L·h－1＞97%NO－2-N/NO－x-N＞85%。2pH、DOpH。1．J．200646122077-20802ＲUIZGJEISONDCHAMYＲ．Nitrificationwithhighnitriteaccumulationforthetreatmentofwastewaterwithhighammonia373311concentrationJ．WaterＲesearch20033761371-13773HANDWCHANGJSKIMMJ．Nitrifyingmicrobialcommunityanalysisofnitriteaccumulatingbiofilmreactorbyfluores-cenceinsituhybridizationJ．WaterScienceandTechnology200347197-1044．J．2005S1122-1245．J．20133961-46HELLINGACSCHELLENAAJCMULDEＲJWetal．TheSharonprocessAninnovativemethodfornitrogenremovalfromammonium-richwastewaterJ．WaterScienceandTechnology1998379135-1427CAPDEVILLEBCOＲNIEＲJCDEGUINAAetal．Studyoffactorscontrollingnitritebuild-upinbiologicalprocessesforwa-ternitrificationJ．WaterScienceandTechnology1992265-61017-10258YOOHAHNKHLEEHJetal．NitrogenremovalfromsyntheticwastewaterbysimultaneousnitrificationanddenitrificationSNDvianitriteinanintermittently-aeratedreactorJ．WaterＲesearch1999331145-1549YANGQingPENGYongzhenLIUXiuhongetal．Nitrogenremovalvianitritefrommunicipalwastewateratlowtemperaturesusingreal-timecontroltooptimizenitrifyingcommunitiesJ．EnvironmentalScience＆Technology200741238159-816410WIESMANNU．BiologicalnitrogenremovalfromwastewaterJ．AdvancesinBiochemicalEngineering/Biotechnology199451113-15411．J．2012202179-18812．J．20047112-1513．pHJ．200537121664-166614ANTHONISENACLOEHＲＲCPＲAKASAMTBSetal．InhibitionofnitrificationbyammoniaandnitrousacidJ．Jour-nalWaterPollutionControlFederation1976485835-85215．SBＲJ．2009293312-3174733