高氨氮稀土废水短程硝化试验研究侯宛冰

＊112311．5410042．5410043．100029CASS－AOB。AOB32d0．29kg/m3·d5．25kg/m3·d90%。4。1．32。ExperimentalStudyonthePartialNitrificationofHighConcentrationAmmonia－nitrogenRareEarthWastewaterHOUWanbing1WULuhan1JINYue2YEYe3ZHANGWenjie11．GuangxiScientificExperimentalCenterofMiningMetallurgyandEnvironmentCollegeofEnvironmentalScienceandEngineeringGuilinUniversityofTechnologyGuilinGuangxi541004AbstractActivatedsludgeistakenfromCASStanklocatedatGuilinMunicipalSewageTreatmentPlantasinocula-tedsludge．ThecombinedprocessofaerobictankandefficientsedimentationisadoptedtoenrichAOBbacteriaandthenbatchexperimentiscarriedouttotreatrareearthhighammonianitrogenwastewaterusingthecultivatedsludge．Thecultivatedperiodlasts32daysthetotalnitrogenloadispromotedfrom0．29kg/m3·dto5．25kg/m3·dandnitritenitrogenaccumulationratereachesabove90%．Afterthecultivationperiod4batchtestsareconduc-tedusingrealrareearthwastewaterproducedbyarareearthsmeltingenterprisesinGuangxiasinfluentaimingtostudytheremovaleffectsfrompartialnitrificationtosuchwastewater．Theresultsshowthatafteramonthofcultiva-tingpartialnitrificationsludgehasahighconversioneffectonhighconcentrationammonia－nitrogenrareearthwastewaterthenitratenitrogenaccumulationrateineffluentishighandnitratenitrogenandammonianitrogenratioisabout1．32ineffluentmeetingtherequirementsoftheinfluentofanammoxreactor．KeyWordshighconcentrationammonia－nitrogenwastewaterpartialnitrificationrareearthwastewaternitrite02060、、、、。－、、、。AOBNOB。。11．11*511081082013GXNSFCA019018、2014GXNSFBA1182651347004－152013ZD031、2013ZL076、ZL2014051。·1·20154110October2015IndustrialSafetyandEnvironmentalProtection。1－2－3－4－5－pH6－7－8－9－。132℃±1℃pH7．5～7．6pH7．0～7．11。2mg/L。。1．2N－1－－SV30100mLMLSSMLVSSpHJENCOMODEL6010DOJENCOMODEL9010。1．3CASSMLSS8028mg/LMLVSS5880mg/LVSS/SS0．732。。NH42SO4、KH2PO4、NaHCO3CaCl2·2H2O0．113g/LMgSO4·7H2O0．1g/LⅠ0．5mL/LⅡ1mL/LⅠFeSO4·7H2O10g/LC10H14N2Na2O35．6g/LⅡMnCl2·4H2O0．352g/LCoCl2·6H2O0．096g/LNiCl2·6H2O0．08g/LCuSO4·5H2O0．1g/LZnSO4·7H2O0．172g/LNaSeO4·10H2O0．105g/LNaMoO4·2H2O0．11g/LC10H14N2Na2O35．0g/L。0．5mol/LNaHCO3Na2CO3。4750mg/LCOD。22．1300mg/L24h0．29kg/m3·d。1．322－3。2。22。AOB。13d535mg/L206mg/L283mg/L33mg/LAOBNOB。14d0．61kg/m3·d1．67kg/m3·dAOB1900mg/L230mg/L。28d4000mg/L1600mg/L5．25kg/m3·d。NOB。。3。310dSV30、MLSS、MLVSSSV303220MLSS8028mg/L3910mg/LMLVSS5880mg/L1638mg/L。10d·2·、NOB。10d10dAOB。31dSV3025MLSS5844mg/LMLVSS4246mg/L。32．2。445。444750mg/L5．2kg/m3·d。1950mg/L2564mg/L～2741mg/L。580mg/L96%。AOB。。6NO－2/NH+46NO－2/NH+41．29～1．48NO－2/NH+41．32。－。56NO－2/NH+431CASS。5．25kg/m3·d90%。20NOBAOB。3NO－2/NH+41．32－。1．PNHJ．201320685－89．2JettenMSMWagnerMFucrstJctal．Microbiologyandappli-cationoftheanacrobicammoniumoxidationanammoxprocessJ．CurrentOpinioninBiotechnology2001123283－288．3．EGSBJ．201339257－61．。2015－01－20·3·