短程硝化厌氧氨氧化工艺处理氧化铁红废水冯兴会

/12121211．5100062．528300/Z-BAFNa2CO3NaHCO3。Z-BAFNO－2－N/1．0～1．4。Na2CO3Z-BAFpHNa2CO3NaHCO3。Z-BAF0．36kg/m3·dZ-BAF0．67kg/m3·d100d70%。TU992A1000－4602201901－0102－052015B020235013、[e-mail]dWastewaterbyPartialNitritation/AnammoxProcessFENGXing-hui12WANGXiao-jun12CHENZhen-guo12CHENJing11．KeyLaboratoryofPollutionControlandEcosystemRestorationinIndustryClusters＜MinistryofEducation＞SchoolofEnvironmentandEnergySouthChinaUniversityofTechnologyGuangzhou510006China2．HuaAnBiotechCo．Ltd．Foshan528300ChinaAbstractPartialnitrification/Anammoxprocesswasappliedforthenitrogenremovalofironoxideredwastewater．ThefeasibilityofnitritationinzeolitebiologicalaeratedfilterZ-BAFwasinvestigatedandtheeffectofalkalinity/NH+4－Nratioonnitritationratewasanalyzed．ThecostofNa2CO3andNaHCO3servedasalkalinitydonorswascompared．TheresultsshowedthatpartialnitritationwasachievedafterNH+4－NwasoxidizedinZ-BAF．ThenitriationrateofNH+4－NcouldbecontrolledbyadjustingtheinfluentalkalinityandtheeffluentNO－2－N/NH+4－Nratiowasconsistentlybetween1．0and1．4．HighpHvaluecausedbyone-stepadditioncouldbeavoidedbyusingatwo-stepadditionmethodinZ-BAFprocesswhenNa2CO3servedasalkalinitydonoranditalsoreducedtheimpactonbiochemicalreaction．UsingNa2CO3insteadofNaHCO3asalkalinitydonorcouldsavehalfthecost．ThenitriteproductionrateNPRofthefirstandsecondstageZ-BAFswere0．36kg/m3·dand0．67·201·35120191CHINAWATER＆WASTEWATERVol．35No．1Jan．2019kg/m3·dduringstableoperationphase．ThetotalnitrogenTNremovalratekeptabove70%inAnammoxreactorafter100daysofoperation．KeywordsironoxideredwastewaterpartialnitritationAnammoxzeolitebiologicalaeratedfilter、－。800～1000mg/L。1、、。/、/、Anammox。H2S。AnammoxAnammoxN2。AOBNH+4－NNO－2－NNOBNO－3－NNOB2。Z-BAFFANOB3Z-BAF/Anammox。/AnammoxZ-BAFNa2CO3NaHCO3。11.11。Z-BAF1511．8L7L。Anammox14．34L2L。Z-BAFDO3～6mg/LHRT6～12h20～30℃。AnammoxUASB30±2℃。Z-BAF4。1Z-BAFFig．1Schematicdiagramoftwo-stageZ-BAFandAnammoxreactor1～2mm。Z-BAF3500mg/L250mL/g。Anammox。NH+4－N800～1000mg/LpH3～51300～700mg/LpH8．0～8．5200mg/LCaCO3COD15～20mg/L。1.2200、250、350、400、450、500、600mg/L。200mg/LZ-BAFNaHCO3/8Z-BAFNAR90%。350mg/L5～7d1。Z-BAFNa2CO3NaHCO3/4HRT5～7d1。AnammoxZ-BAF。1.3NO－2－N·301·．cnww1985．com/351N－1－－NO－3－NpHPHS－3CpHDO、HQ30d。22.1Z-BAF/8、pH8．60～9．622。455mg/LNAR94%NLR1．23kg/m3·dNPR0．7kg/m3·d。549．17mg/LpH9．50～9．62NPR。pHZ-BAFpHZ-BAF。2Fig．2Effectofinfluentammoniumconcentrationonnitritation350mg/L、HRT7．3hpH8．6～8．9/8∶1、6∶1、5∶1、4∶1、3∶13。Na+。/。。Z-BAFpHpH0．5～14。pH6．5AOB。/pH7．3～7．5AOB2～3d。3/Fig．3Effectofalkalinity/NH+4－NratioonnitritationSBR50%～60%5。50mg/L6。/1。。NO－2－N/NH+4－N1．25Anammox。1/Tab．1Effectofnitritationunderdifferentalkalinity/NH+4－Nratio/8∶16∶15∶14∶13∶1NO－2－N/mg·L－1302272246179152NH+4－N/mg·L－1587199143162NO－2－N/NH+4－N5．213．832．481．250．942.2Z-BAFBAF、、7－8。Z-BAFNa2CO3、NaHCO3。Na2CO3·401·351．cnww1985．comNaHCO31．6～21g/LNa2CO3915．8mg/LNaHCO3561．4mg/L。3．5/kg。pHZ-BAFNa2CO3/=4∶1。355mg/L750mg/L、pH8．4～9．0、pH8．6～9．3Z-BAF70dNLR1．46kg/m3·dNPR0．36kg/m3·dNPR0．67kg/m3·dNO－2－N/NH+4－N1．0～1．44。Na2CO3NaHCO3Z-BAFAnammox。4Z-BAFFig．4Nitritationeffectoftwo-stageZ-BAF2.3AnammoxAnammoxNO－2－N/NH+4－N=1．32±0．128dTN0．614kg/m3·dTN0．196kg/m3·dTN31．94%。41dTN0．85kg/m3·dTN0．371kg/m3·dTN43．7%。42Z-BAF。2。2AnammoxTab．2OperationparametersofAnammoxreactorHRT/h16．7011．108．3311．108．33/d1～1314～2829～4142～4445～97Z-BAFAnammoxTN5。TN94dTN550mg/LTN1．59kg/m3·dTN1．15kg/m3·dTN72．6%TN520～567mg/LTN70%。5Fig．5RemovaleffectofnitrogenbyAnammoxZ-BAFDOAnammoxDO0．05～0．20mg/L。DO。、AnammoxNO－2－N/NH+4－N0．9～1．5。3①Z-BAF·501·．cnww1985．com/351。455mg/L、/8Z-BAF。549．17mg/LNPR0．792kg/m3·d0．587kg/m3·d。②Z-BAF350mg/L/4∶1NO－2－N/NH+4－N1．25pH7．3～7．5。③Z-BAFNa2CO3355～750mg/LNO－2－N/NH+4－N1．0～1．4Anammox。④Anammox94、TN550mg/LTN1．59kg/m3·dTN1．15kg/m3·dTN72．6%TN520～567mg/LTN70%。1．J．20132918113－115．GuoGuanchaoWangXiaojunChenZhenguoetal．TreatmentandresourceuseofacidwastewaterinironoxideredfactoryJ．ChinaWater＆Wastewater20132918113－115inChinese．2LiQSunSFGuoTFetal．Short-cutnitrificationinbiologicalaeratedfilterswithmodifiedzeoliteandnitrifyingsludgeJ．BioresourTechnol20131363148－154．3YangYChenZWangXetal．PartialnitrificationperformanceandmechanismofzeolitebiologicalaeratedfilterforammoniumwastewatertreatmentJ．BioresourTechnol2017241473－481．4．J．201737124518－4525．YangYongyuanWangXiaojunZhaoShuangetal．PartialnitrificationperformanceandmechanismofzeolitebiologicalaeratedfilterforammoniumwastewatertreatmentJ．ChinaEnvironmentalScience201737124518－4525inChinese．5．SBRJ．20084891475－1478．ZhangZijianWangShunheWangJianlongetal．EffectofalkalinityontheNH+4－NratioduringpartialnitrificationinasequencingbatchreactorJ．JournalofTsinghuaUniversityScienceandTechnology20084891475－1478inChinese．6．J．201345438－43．ZhangXiaojingLiDongZhouLijunetal．EffectofalkalinityonpartialnitrificationofdomesticsewageatordinaryandlowtemperaturesJ．JournalofHarbinInstituteofTechnology201345438－43inChinese．7．J．201127528－31．LiDaningWangXiaojunZhuGuanpingetal．Pilotstudyonnitrogenremovalfromlandfillleachatebytwo-stagebiologicalaeratedfilterJ．ChinaWater＆Wastewater201127528－31inChinese．8．J．201437766－71．Wa