AO法处理焦化废水新技术应用高俊

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