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A/O高俊 赵朝立( 455004) ,A/O,,,,,。 A/O ApplicationofA/OProcessinCokingWastewaterTreatmentGAOJun ZHAOChao-Li(AnyangIronandSteelGroupCo.,Ltd. Anyang,Henan455004)Abstract Inthispapercokingwastewatertreatmentstatusisintroduced.InA/Oprocesscarrierisaddedtoimprovetheconcentrationofsludgeinaerobicpondandmakedissolvedoxygentocultivatethesludgeofaerobicsimultaneousnitrificationanddenitrification.Goodresultshavebeenobtained.Theadvantagesanddisavantagesoftheprocessarealsoanalyzed.Keywords A/O simultaneousnitrificationanddenitrification particlesludge ,,,,。,。,2,,2,(A/O)[1]。,(simultaneousnitrificationanddenitrifi-cation,SND),A/O。1 A/O,“A”,“O”。1。1 A/O1,,NO2-、NO3-N2,,。,CO2H2O,NH3-NNO2-、NO3-。2 (SND)2:①;②。2.1 :20%-40%,,pH7-8、30℃、3-6mg/L,0.5mg/L。,COD,,NH3--N1mg/L,,,。2.2 SND。DO1-2mg/L,,,,。,。SND[2]。100μm,,,,,。,A/O,C/N,。200732。2,,70%,。·10· IndustrialSafetyandEnvironmentalProtection 2008344April2008傅金祥1 裴丽花1 许海良2 杨玉森3(1. 110168;2.200032;3. 110035) ClO2,,ClO2。:ClO2,ClO2g10.0mg,ClO21,100%。ClO2,,CODCr52mg/L76mg/L,。 ClO2 ResearchofSludgeReductionbyChlorineDioxideOxidationFUJin-xiang1 PEILi-hua1 XUHai-liang2 YANGYu-sen3(1.SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity Shenyang110168)Abstract Thispaperdiscussestheoxidationprocessofactivatedsludgebychlorinedioxide.ThesludgereductionabilityandtheeffectofClO2oneffluentqualityisinvestigated.Theresultshowsthatchlorinedioxidecandissolvethecellsofactivatedsludgeandtheoptimizeddosageofchlorinedioxidemustbecontrolledat10mg/gDS(drysolidscontent);meanwhilethereturnofchlorinedioxideoxidationsludgecanmakethissystemdoesn'tproduceanyexcesssludgeinonemonth,buttheconcentrationofsludgeinaeratedtankisstableandthesludgereductionratecanreach100%.TheClO2oxidationsludgereductioncanaffecttheeffluent,theaverageCODCrreaches76mg/Lfrom52mg/Landalsotheturbidityandcolorrisescorrespondingly.Keywords ClO2 oxidize dissolvedcell sludgereduction ,。2 3 A/O,A/O,A/O,。3.1 (1),70%,,,A/OA,。(2)3-5,,。 (3)25%,。(4)20%-30%。(5),,,。3.2 (1),,COD。(2),,,(),,。4 A/O,A/O、、,。[1]..:,2006.66-73.[2],,..,2002,21(9):527-529.(:2007-09-30)·11·2008344April2008 IndustrialSafetyandEnvironmentalProtection
本文标题:AO法处理焦化废水新技术应用高俊
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