臭氧预氧化BAF深度处理造纸废水

臭氧预氧化-BAF作者简介:刘剑玉女士,在读硕士研究生;主要研究方向:废水深度处理工艺-BAF刘剑玉汪晓军陈彦(,,510006):-BAF,,-BAF(100mg/L,5min,BAF20h)CODCr40mg/L,,:;BAF;:X793:A:0254-508X(2009)09-0036-03:2009-05-05()AdvancedTreatmentofPaperMillWastewaterbyOzonePre-oxidationandBiologicalAeratedFilterProcessesLIUJian-yuWANGXiao-jun*CHENYan(SchoolofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou,GuangdongProvince,510006)(*E-mai:[e-mail])Abstrac:tThecombiningprocessesofozonepre-oxidationandbiologicalaeratedfilterwereappliedintheadvancedtreatmentofonepapermillswastewater.Theresultshowedthat:biodegradabilityofthewastewatercanbeimprovedbyozonepre-oxidation.CODoftheeffluentislessthan40mg/L,andcoloroftheeffluentisalmostremovedcompletelybythesubsequentbiologicalaeratedfiltertreatment,whichmeetstherequirementofrecyclingorthemorestrictdischargeregulation.Keywords:ozonepre-oxidation;biologicalaeratedfilter;papermillwastewater1/6[1],,,[2],,()[3](-207V,),[4]20000m3/dCODCr,,,,-(BAF),-BAF111,,,:CODCr90~250mg/L,BOD520~80mg/L,SS150~230mg/L,70,pH6~912(1)HY-001,2500mg/h,,,,;36ChinaPulp&PaperVol28,No9,2009,,(2)BAFBAF1BAF,,,,;,1BAF:,130mm30mm140mm;,350mm300mm500mm;,LPH6,189L/h;BAF,100mm,1300mm;,3~5mm;,ACO318,70L/min;,ACO500,70L/min;,WZ10-10,10L/min;,200mm300mm500mm13CODCr,[4]CODCr[5]2,,,,,,,:,[6]21OH[7-8],5min(),22,10mg/L,50%;30mg/L,75%,,100mg/L,4,94%,2,,1448kJ/mo,l12kg/(kWh),,10%,,15%[9],223BAF-BAFBAF-BAF(100mg/L,2hBAF,BAF)33,BAF5min,BAFCODCr172%,-BAFCODCr154%;,BAF,-BAFCODCrBAFCODCr372009289,,CODCr,23-BAF231-BAF,BAF2h,,-BAF11,,BAFCODCr40%,-BAF,CODCr,100mg/L,-BAFCODCr65%,1-BAF/mgL-1CODCr/mgL-1ABCODCr/%AB/AB011372036370100251006011546916325095551595131616100934017764644150903620468122A,B-BAF232BAFCODCr100mg/L,BAF-BAFCODCr4BAF,CODCr,BAF20h,CODCr40mg/L,-BAFCODCr65%;BAF,-BAFCODCr,BAF30h,CODCr42mg/L,-BAFCODCr63%BAF20h,CODCr,-BAF4BAFCODCr24,-BAF,:100mg/L,BAF20h,412,CODCr40mg/L30W,3kW,12/(kWh),36/t,01/t-BAF37/t,3-BAF,315min,100mg/L,BAF20h,-BAFCODCr40mg/L,,32-BAF37/t,[1],,,./[J].,2006,26(11):32.[2],,,.-[J].,2006,7(5):43.[3],.[J].,2006,35(6):127.[4],.[M].:,2003.[5],,.[S].:,1990.[6],,,.[J].,2007,12(7):24.[7]BdlfahdelH,RatekA,QuedermiA,eta.lRemoveofcolourandor-ganicmattersinIndustrialPhosphiricAcidbyOzone-EffectonActiva-tedCarbonTreatment,Proceedingsofthe21thworldcongressoftheInternationalOzoneAssociation[J].Proceedingofthe21thWorldCongressoftheInternationalOzoneAssociation,1995,2(5):501.[8]HchurcheleyJ.OzoneforDyeWastecolourRemoval:FourYearsOperationatLeekSTW,Ozonescience&Engineering,JoumalofInternationalOzoneAssociation[J].JoumalofInternationalOzoneAssociation,1998,20(4):111.[9],,,.[J].,2003,19(4):394.CPP(责任编辑:陈丽卿)38ChinaPulp&PaperVol28,No9,2009