臭氧生物活性炭工艺中主臭氧投加量的优化孟建斌

/510006/。CODMn1．7～2．1mg/LCODMn69%TOC2．1～2．5mg/LTOC57%。CODMn、、、。/TU991C1000－4602201121－0046－04OptimizationofOzoneDoseinO3/BACProcessinDrinkingWaterTreatmentMENGJian-binLUShao-mingCollegeofEnvironmentalScienceandEngineeringSouthChinaUniversityofTechnologyGuangzhou510006ChinaAbstractBasedonpilotscaletesttheoptimizationofozonedoseinO3/BACprocessindrinkingwatertreatmentwasstudiedandthevariationoforganicmatterremovalatdifferentozonedoseswasana-lyzed．TheresultsshowthatthemaximumremovalrateofCODMninthewholetreatmentsystemis69%withoptimalozonedosesof1．7to2．1mg/LwhilethemaximumremovalrateofTOCis57%withopti-malozonedosesof2．1to2．5mg/L．ForoptimizationtheremovalefficiencyofCODMninthewholetreatmentsystemshouldbeconsideredasabasisfordeterminationofozonedose．Furthermoretheinflu-encesofozoneconcentrationdosingmethodcontacttimepropertiesofsubsequentactivatedcarbonandsoonshouldbealsoconsideredtodeterminetheoptimalozonedose．KeywordsO3/BACprocessozonedoseoptimization/O3/BAC、、、1、。、、。/。11。。O3/BAC。·64·2721201111CHINAWATER＆WASTEWATERVol．27No．21Nov．2011CODMn、TOCPhoenix8000TOC、、DOYSI－550A。1Fig．1Flowchartofpilottest0．5mg/L/0．7m×5．8m2．3m38～12min30mg/LBAC1．5m×5．0m6～9m3/m2·h2．0m。CODMn2．68～3．37mg/L2．99mg/L、TOC2．43～3．82mg/L3．18mg/L、0．176～0．813mg/L0．460mg/L、DO3．26～4．36mg/L3．86mg/L。22.1CODMnCODMn2。2CODMnFig．2EffluentCODMnofdifferentprocessphaseswithdifferentlater-ozonedosages2CODMn2．68～3．37mg/LCODMnCODMn0．47～0．91mg/L。2CODMn。CODMn。CODMn。CODMn/CODMnCODMn。。、。。。CODMn1．7～2．1mg/L69%。CODMn1．7～2．1mg/L。2.2TOCTOC3。3TOCFig．3EffluentTOCofdifferentprocessphaseswithdifferentlater-ozonedosages3TOC2．43～3．82mg/L·74·．watergasheat．com/2721TOCTOC0．65～1．65mg/LTOC。TOCTOCCODMn。/TOC0．5mg/L2．5mg/LTOC30%57%TOC2．5mg/L2．9mg/LTOC57%53%。2．1～2．5mg/LTOC57%。0．5、0．9、1．3、1．7、2．1、2．5、2．9mg/L0．01、0．02、0．06、0．17、0．24、0．26、0．30mg/L。1．7～2．1mg/L0．1mg/L。、。2.3NH3－NNH3－N4。NH3－N0．176～0．813mg/LNH3－N0．118～0．737mg/LNH3－N0．001～0．115mg/L。4NH3－NFig．4EffluentNH3－Nofdifferentprocessphasewithdifferentlater-ozonedosages4NH3－NNH3－NNH3－NNH3－NNH3－N。NH3－N。4NH3－N。/。。。2。3/＞10000u＜3000uDOC。。4～6O3/BAC。、、。O3/BAC、、7、、BAC。BAC·84·2721．watergasheat．com。、。3①1．7～2．1mg/LCODMn69%2．1～2．5mg/LTOC57%。CODMnTOCNH3－NNH3－N。②、O3/BAC。。O3/BACBAC。。1．J．200521929－33．2．—J．20062771345－1347．3．O3—GACJ．2008341046－49．4．J．1995214219－222．5．//J．20031981－3．6．J．20032651－3．7．O3—[e-mail]2011－07－12·94·．watergasheat．com/2721