影响焦化废水生物脱氮运行效果的主要工艺参数.

1,1,2(1.,450052;2.,450002):,,,NH3-NC/N,:;;:X703:A:1006-8759(2006)05-0010-04EFFECTOFSYSTEMOPERATIONOFMAINPARAMETERSINBIO-REMOVALTECHNIQUESOFNITROGENFORCOKINGWASTEWATERWANGJi-jun1,LIUGang1,WEIMing-bao2(1.ZhengzhouCityMunicipalEngineeringDesignandResearchInstitute,Zhengzhou450023,Chi2na;2.ZhengzhouInstituteofLightIndustry,Zhengzhou450002,China)Abstract:Inthispaper,effectofsystemoperationofmainprocessinbio-removaltechniquesofnitrogenforcokingwastewaterisdiscussed,contrast,analysisandsumfromtwoaspectsoftheoryandprojectarecarriedout.Itispointedoutthatbesidesthesecommonparametersliketemperatureinaerationbasin,DO,alkalinity,SRT,refluxratio,theparametersintakewaterconcentrationofNH3-NandC/Nratioismore.Thesetwoparametersoftenbeneglectinbio-removaltechniquesofnitrogenforcokingwastewater,butitplayacriticalroletoeffectofsystemoperationinbio-removaltech2niquesofnitrogenforcokingwastewater.Keywords:cokeplant;wastewater;biologicalnitrogenremoval;mainparameterscontrol:2006-07-05:(1969-),,,,,,,(),,,NH3-N,NH3-N,,,,,A/0A2/0A/O2SBR,EnergyEnvironmentalProtectionVol.20,No.5Oct.,2006205200610,,;,;NH3-N,,,,pH,1,,,:(NO3-N),(NO3-N),,,:Ared,NO3-,Ared,NO3-H2,,.2,,,2.1SCN-,,,,,,,,NH3-NNH3-N,,;pH,(FA),0.6mg/LFA,HNO2,HNO2,FA5mg/L,40mg/L,,,A2/0NH3-NCODNH3-N(11):NH3-N11mgL-1mgL-1mgL-1/%COD4815.356731410.5587915.6832184.07NH3-N41047.6176.1796.861.60.15.59NH3-N,NH3-N300mg/L,COD2000mg/LCOD,COD,SCN-,COD,2.2pHpH,,NO2--NpH8.0;NO3--NpH7.0pH87pH,,1gNH3-N7.14g,pH,pH7.58,pH7.0,6.0,pH,,,NH3-N2.31328,13,,2.4,,2.0mg/L,0.5mg/L2.5C/N,NO3-N,NO3-N,NO3-N;,,BOD1.72gBOD/gNO3-N,,1CODNH3-N12205,,C/NCOD/TKN3,COD/TKN8;,BOD/COD(0.2),,,;,COD/TKN,;,,,,BOD/COD,,A2/0,COD/TKN5,80%2.636,CODNH3-N3(1),,,(2),NH3-NC/N;,,20%;,,,,,,,:[1],.[J].,19993.[2]SenPriyali,DentelStevenK.SimultaneousNitrification-denitrificationinaFluidizedBedReactor[J].WatSciTech,1998,38(1):247254.2007,,(),(),(),():CN11-3676/TD,ISSN1006-6772,2007,16,80,120,,:,:,:100013;,:,:,:561045-97-15!:[phone],84262909;:[phone];E-mail:[e-mail]13