臭氧投加量对臭氧生物活性炭组合工艺影响的研究李志琦

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INDUSTRIALWATER&WASTEWATERVol.42No.1Feb.,2011-1a,1b,1a,1b,1a,1b,1a,1b,1a,1b,2,2(1.a.;b.,300384;2.,100085),,、。、、,[1]。O3-BAC:-(O3-BAC),O3-BAC。,30min,(BECT)15min,1~10mg/L,、、UV254、DOCSUVA46.4%~93.3%、10.5%~30.5%、18.4%~53.5%、1.4%~9.0%17.2%~49.1%;6mg/L,O3-BACNH3-N,45.8%,、、UV254、DOCSUVA86.7%、17.3%、40.7%、5.7%37.1%。,O3-BAC,,。:;;;;:X703.1:A:%1009-2455(2011)01-0008-04Impactofozonedosageonozone-biologicalactivatedcarbonprocessLIZhi-qi1a,1b,LIYin-lei1a,1b,YUJing-jie1a,1b,SUNLi-ping1a,1b,YUANHong-ying1a,1b,2,ZHANGYu2(1.a.DepartmentofEnvironmentalandMunicipalEngineering;b.TianjinKeyLaboratoryofWaterQualityScienceandTechnology,TianjinInstituteofUrbanConstruction,Tianjin300384,China;2.StateKeyLaboratoryofEnvironmentalAquaticChemistry,ResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,China)Abstract:Inordertoexaminetheimpactofozonedosageonreclaimedwateradvancedtreatmentbyozone-biologicalactivatedcarbonprocess,theefficiencyofO3-BACcombinedprocesswithdifferentozonedosageongeneralpollutionindexesremovalfromthereclaimedwaterwasinvestigatedbypilot-scaletest.Theresultsshowedthat,whentheozonereactiontimewas30min,theemptybedcontacttimeofBACwas15min,andtheozonedosagevariedinarangeof1to10mg/L,theremovalratesofcolority,permanganateindex,UV254、DOCandSUVAwere46.4%-93.3%,10.5%-30.5%,18.4%-53.5%,1.4%-9.0%and17.2%-49.1%respectively;Whentheozonedosagewas6mg/L,theremovalrateofNH3-Nreachedthehighest,whichwas45.8%,andtheremovalratesofcolority,permanganateindex,UV254、DOCandSUVAwere86.7%,17.3%,40.7%,5.7%and37.1%respectively.Itcouldbeseenthat,whenbeusedforreclaimedwateradvancedtreatment,O3-BACprocesscouldeffectivelyremovetheorganicsandcomprehensivelyimprovethewaterquality,whichshowedabrightprospectforapplication.Keywords:ozone;biologicalactivatedcarbon;ozonedosage;advancedtreatment;reclaimedwater:(2008ZX07314-003):2010-10-18;:2010-11-15!!!!!!!!!!!!!!!!!!!!!!!!·8·--1Fig.1Processflowofreclaimedwateradvancedtreatment()1()Tab.1Averagerawwater(reclaimedwater)indexesduringtheexperimentpH7.93UV254/cm-10.17/℃15.8ρ(CODMn)/(mg·L-1)6.59/NTU3.07ρ(DOC)/(mg·L-1)3.46/28.2ρ(NH3-N)/(mg·L-1)0.932Fig.2Effectofozonedosageoncolorityremoval246810/(mg·L-1)/403020100/%100806040200、,[2-5]。MBR,O3-BAC,O3-BAC。11.1O3-BAC,5m3/h,1。CF-G-3-60G。0.7m,4.5m,,,30min。1.0m,2.8m,1.0m,15min,。。MBR,3,。1。1.2pH、[6]。HACH2100N;;UV254-T6;;NH3-N;(DOC):TOC-5000。22.12。2,。,C==C、C==O[7],。1mg/L3mg/L,39%72%;6mg/L,80%,,。,,3~6mg/L。,6mg/L,O3-BAC86.67%,6.67%,,。2.23。3,O3-BAC,6.59mg/L。,。1mg/L3mg/L,,,,:-·9·--INDUSTRIALWATER&WASTEWATERVol.42No.1Feb.,20114.1%5.3%,,,8mg/L20%,,。,,,,10%。,,CO2H2O[8]。,,BAC,BAC,。2.3UV254UV2544。UV254,。,UV254。4,1mg/L6mg/L,UV25413.8%40.7%;10mg/L,UV25453.5%。,,,。6mg/L,O3-BACUV254。,UV254,UV254。UV254(),,,,[9]。2.4DOCDOC5。5,DOC。6mg/L,DOC2.6%;10mg/L,DOC4.0%。,[10],,DOC。,DOC,6mg/L10mg/L,O3-BACDOC5.7%9.0%。O3-BACDOC。2.5SUVASUVAUV254DOC[11],,SUVA[12]。SUVAUV254,。SUVA6。6,,SUVA,,。1mg/L6mg/L,SUVA·10·--6SUVAFig.6EffectofozonedosageonSUVAremoval  246810/(mg·L-1)SUVA/(m-1·mg·L-1)6050403020100/%65432107Fig.7EffectofozonedosageonNH3-Nremoval246810/(mg·L-1)ρ(NH3-N)/(mg·L-1)50403020100/%2.01.51.00.5013.1%39.1%;6mg/L,SUVA,SUVA,UV254。UV254,DOC。,UV254DOC,,,SUVA,。2.6NH3-N7。7,NH3-N,NH3-N,NH3-N,,NH3-N,NH3-N,NH3-N[13]。NH3-N,NH3-N。,NH3-N,6mg/L,NH3-N45.8%。,,NH3-N[14]。6mg/L,,,。3(1)、CODMn、UV254、DOCSUVA。1~10mg/L,O3-BAC、CODMn、UV254、DOCSUVA46.4%~93.3%、10.5%~30.5%、18.4%~53.5%、1.4%~9.0%17.2%~49.1%。(2)NH3-N,NH3-N。6mg/L,O3-BACNH3-N,45.8%。(3)O3-BAC,,CO2H2O,,,,。(4)O3-BAC,6mg/L。,、CODMn、UV254、DOC、SUVANH3-N86.7%、17.3%、40.7%、5.7%、37.1%45.8%。,O3-BAC。:[1],,.[J].,2003,(1):29-31.[2],.[J].,2005,36(4):7-9.[3],,.-[J].,2003,29(9):1-4.[4],.-[J].,2008,39(4):23-26.(16),,,:-·11·--INDUSTRIALWATER&WASTEWATERVol.42No.1Feb.,20119pHFig.9RelationshipbetweenpHvalueandamountofalgaebiomass151296305101520253035/dpH121086420N6/(×104·mL-1)pHpH9.5~10.5,pH,pH。3(1),,。,。(2)。(3)m(N)/m(P)3~10,;m(N)/m(P)10。,。(4)pH、DO。,pH9.5~10.5;,DO、pH,。:[1]CaoXiuyun,SongChulei,LiQingman,etal.DredgingeffectsonpatausandphytoplanktondensityandcompositionduringwinterandspringinlakeTaihu,China[J].Hydrobiologia,2007,58(1):287-295.[2],,,.[M].:,2005.173-181.[3].(4)[M].:,2002.243-248,254-258.[4].[M].:.2001.[5].[M].:,2001.[6].[M].:,1995.[7]MarshallWDarley.Algalbiology[M].Oxford:BlackwellScienti-ficPublications,1982.[8],,,.pH[J].,2005,24(2):294-298.[9],.[J].,2006,24(8):20-22.[10],,,.[J].,2007,33(4):38-42.:(1985-),,,,,()zheng.jie1937@163.com。(11)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![5],.O3-BAC[J].,2008,39(6):11-14.[6].(4)[M].:,2002.[7],,,.[J].,2005,23(4):33-36.[8]RiceRG,RobsonCM,MillerGW,etal.Usesofozoneindrinkingwatertreatment[J].JAWWA,1981,73(1):44-57.[9].-[D].:,2006.[10],,,.[J].(),2008,34(3):373-376.[11]LicW,KorshinGV,BenjaminMM.MonitoringDBPformationwithdifferentUVspectroscopy[J].JAWWA,1998,90(8):88-100.[12]GuzzellaL,FerettiD,MonaracS,etal.Advancedoxidationandadsorptiontechnologiesfororganicmicropollutantremovalfromlakewaterusedasdrinkingwatersupply[J].WatRes,2002,36(17):4307-4318.[13],,,.//[J].,2009,25(15):73-75.[14],,,.“

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