含氨氮催化剂生产废水的处理陈昕

ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRYNHNNHNpHpH.~.ρNHN~mg/Lmg/LNHNNHNCODρNHNNH3NDO0.5mg/L0.25kg/m³HRT30hNH3N97COD100mg/LρNH3N10mg/LGB89781996NH3N2.3/kg4.6/tρNH3N300mg/LX742A10061878201402012805SINOPECNingboEngineeringCo.Ltd.Shanghai200030ChinaTheammonianitrogencontainingcatalystwastewaterwithlowconcentrationcarbonwastreatedbyshort-termnitrification-denitrificationprocesswithstarchaddition.Theoptimumprocessparametersweredeterminedinapilottestandconfirmedinanindustrialtest.UndertheconditionsofDOabout0.5mg/Lstarchdosage0.25kg/m3andHRT30htheammonianitrogenremovalrateisover97withstrongresistancetoimpactload.TheCODandρ(NH3N)oftheeffluentarelessthan100mg/Landlessthan10mg/LrespectivelywhichcanmeetthefirstgradeofnationalstandardGB89781996.Theindustrialrunningcostis2.3yuanfor1kgammonianitrogenand4.6yuanfor1twater.Thisprocessissuitablefortreatmentofwastewaterwithρ(NH3N)300mg/L.catalystproductionshort-termnitrification-denitrificationprocesshigh-concentrationamm[e-mail]NONONONONONNONNO~.m/hρNHNmg/LNHNρNHN=~mg/LNHNρNHN=mg/LԥᆲӐጹᖗᆲᦺጹᖗ̍ᆲᦺጹᖗතӐᖗNH3Nథ఺තN2NO2-NNO3-N12COD/mgL1SS/mgL1pHρNH3N/mgL16001007.0~8.0200~3001mg/LCODρNH3NTOC2010031810920613.30201005241069423.1012232201103236197.8028870SIIDOZulligPpHHACHH/RR/M/AIRH/RR/MWNMLSS312.0m2.4m2.7m2.5m80mm65mm63m.ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRYDODODO.~.mg/LNHNρNHN=~mg/LNHNρNHN=~mg/L.m/h.m/hρNHNmg/LDODODOdNHNDODOρNHNmg/LCODρNHNMLSSSVSSpHMLSSDONHNNHNρNHN~mg/Lmg/LρNHNmg/Lmg/LNHNNHN~ρNHNmg/LρNHNmg/LρNHNڨ᠎Ꭸԥः٧గචӜԥः٧ٿึӜቆචҮҦᜈᎵ๲ዟ48(w)NaOHໄ๮֖ᇎᦺ᧿ቆචᰳNH3-N෉පѢපᴁ᮲఺ٿึ๮ͯNH3-N෉පқͷ෉ชḸܰଅḹቆචᇟᄡ2ᕱҍໄᝌ෈ᕱҍઅҪᎨڨ᠎෈ᆀርၶྫྷԥः෈ᄢଌ෈፫Ջ෉පᮔܪူ๲ዟNjᇟᦺ̃ඩ᨝๮ᇌቆච፫Ջ෉පѢපᴁ᮲఺қͷ෉ช3~mg/LCaCOpH.NaOHpH.~.MLSSMLSSSVminDODODOGBm.kgCODρNHN.~.NHNCODρNHNHRTm.~.m/hHRTNHNHRTh.m/hρNHNmg/LρNHNmg/LCODmg/LGB..m/dCOD=~mg/LρNHN=~mg/L..~~Nm/hpH.~.DO.mg/LNHNCODρNHN~mg/LρNHNmg/Lmg/LCOD~mg/LCOD~CODmg/LCODCODρNHNkg/dkg/dCODmg/L~CODmg/LMLSS~mg/LCODmg/LρNHNmg/LCODρNHN.~ρNHNCOD1357911131517192123252729313335373930025020015010050020181614121086420ሶ߿ᤁᛠௐᫍdᤈපρ(NH3-N)/(mgeL-1)Ѣපρ(NH3-N)/(mgeL-1)4ρNH3NρNH3NρNH3N5NH3N135791113151719212325272931333537391001009999989897ሶ߿ᤁᛠௐᫍdNH3-NԜᬓညDODO.mg/LDODOpHpHpHm³.kgwNaOHpHpHNHNCOD.m/hρNHN=mg/LCODmg/L.mg/LENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY..kgNHNρNHNmg/LNHN./kg./tρNHNmg/LDO6NH3NρNH3NρNH3N123456789160140120100806040200ᤁᛠௐᫍతρ(NH3-N)/(mgeL-1)7CODCODCOD1234567897006005004003002001000ᤁᛠௐᫍతCOD/(mgeL-1)aDO.mg/Lm³.kgHRT=hCODmg/LρNHNmg/LGBNHNbNHN./kg./tρNHNmg/L1.J.20042732629.2.J.200965456.3.J.20062544446.4.J.20021522427.5.J.200836597100103.6AbelingUSeyfriedCF.Anaerobic-aerobictreatmentofhighstrengthammoniawastewater-nitrogenremovalvianitriteJ.WaterSciTech1992265/610071015.7.pHJ.2005371216641666.8.M.4.2002104279.9.GB89781996S.1996.10.FCCJ.20104115961