臭氧曝气生物滤池处理港口化学品洗舱废水丛丛

10－,,510006－。COD、、,pH、、COD。(COD)1700mg/L538～716mg/LBAF30hCOD250mg/L。X703Adoi10.3969/j.issn.1003-6504.2009.10.0331003-6504(2009)10-0141-04CabinWashingWastewaterTreatmentofPortChemicalsbyBiologicalAeratedFilterafterOzonationOxidationCONGCong,WANGXiao-junSchoolofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,ChinaAbstractOzonizing-biologicalaeratedfilter(BAF)processwasusedtotreatportchemicalscabinwashingwastewater.BasedonpropertiesofportchemicalscabinwashingwastewaterwithhighCOD,variablequalityandcomplicatedcomposition,initialpH,dosageofozoneandcatalyzeronCODremovalefficiency,biodegradationabilityofwastewaterandeffectofhydraulicretentiontime(HRT)ofBAFwereinvestigated.ResultsshowedthatundertheconditionsofinfluentCODabout1,700mg/L,dosageofozone538~716mg/LandHRTofBAF30h,effluentCODwaslessthan250mg/L,withthetreatedwastewatersatisfactorytothereceivingstandardofurbanwastewatertreatmentplant.Keywordsozone;biologicalaeratedfilter;biodegradationability;wastewaterofportchemicals(、)。、、、、。。(IMO)。。COD、,H2O2、MnO2[1]。、、。BAF、。、。11.1。、、、、、、、VAM、2008-05-132008－08－01G01-D80631401985－,[e-mail]*,[e-mail]。EnvironmentalScience&Technology3210200910Vol.32No.10Oct.200932COD2000～3500mg/LCOD1700mg/LpH6.5~12.5。、、。1.21。O3OZ-3G3g/h。400mLO320%。2PVC10cm1.4m2～5mm。5∶1。。1.3pH、COD[2][3],[2],[4]。。22.12.1.1COD400mL3g/h30min2.5minCOD3。30～538mg/L,,COD,。538～716mg/LCOD＞716mg/L,COD。,、,COD。,CODCODCOD[5-6]。COD。2.1.2pH7.0400mL3g/h30min40mg,40mg30%1.67mL2.5minCOD4。O3/H2O2、O3/Mn()COD36%。,OH·14210,－,OH·。,,,,H2O2Mn(),,O3/H2O2、O3/Mn()COD。O3/H2O2,H2O2,H2O2.,O3/H2O2OH·:2O3+H2O2—→2OH·+3O2,0.5[7-8]。4COD39.2%。,[9]。2.2-2.2.1[10]。COD5。。CODB/COD0.490.88CODBCODCODBBOD5[11]BOD5/COD0.290.53。2.2.2-(HRT)20h25h30hCOD6。6。6HRT25h30hCOD60%88%30hCOD250mg/L。31CODCOD。2COD18%。36%~39%。3COD49%BAFCOD88%。143324－716mg/L30h5∶11700mg/LCOD250mg/L。[][1],,.[J].,2004,(8):114-115.ChenLin,LiuGuo-guang,LvWen-ying.Prospectiveofo－zoneoxidationtechnology[J].EnvironmentalScience&Technology,2004,8:114-115.(inChinese).[2].[M].4.:,2002:216-219.NEPA.MonitoringandAnalysisMethodofWaterandWastewater[M].Beijing:ChinaScienceandTechnologyPublishingHouse,2002:216-219.(inChinese)[3],.[M]..,2003:126.XuXin-hua,ZhaoWei-rong.OzoneTreatmentonWaterandWastewater[M].FirstEdition.BeijingChemicalIndus－tryPublishingHouse,2003:126.(inChinese)[4]BaderH,HoignéJ.Determinationofozoneinwaterbytheindigomethod[J].WaterResearch,1981,15(4):449-456.[5]AnjaKornmüller,UdoWiesmann.Ozonationofpolycyclicar－omatichydrocarbonsinoilwateremulsions:masstransferandreactionkinetics[J].WaterResearch,2003,37:1023-1032.[6],,.[J].,2005,6(2):59-61.XiongDe-qi,WangMei-hua,BaiXi-yao.Studyonin-depthtreatmentofdirtyballastwaterfromoiltankersbyo－zoneoxidation[J].TechniquesandEquipmentforEnviron－mentalPollutionControl,2005,6(2):59-61.inChinese.[7]StaehelinJ,HoigneJ.Decompositionofozoneinwater:rateofinitiationbyhydroxideionandhydrogenperoxide[J].Environ.Sci.Technol.,1982,16:676-681.[8]KarimiAA,RedmanJA,GlazeWH,etal.EvaluatinganAOPforTCEandPCEremoval[J].AmWaterWorksAs－soc,199789(8):41-53.[9],.[J],2005,6:54-56.GuXiao-yang,WangXiao-jun.Applicationofpotassiumpermanganateandcompositepotassiumpermanganateinwatertreatment[J].InorganicChemicalsIndustry2005,6:54-56(inChinese)[10]ZingU,AndrewHong,WavrekDavid.Chemicalbiologicaltreatmentofpyrene[J].WaterResearch,2000,34(4):1157-1172.[11],,.[M].:,2000:86.QianYi,TangHong-xiao,WenXiang-hua.ControlTech－nologyPrincipleCharacteristicsofAquaticParticleandRefractoryOrganics(Vol.2)[M].Beijing:ChinaScienceandTechnologyPublishingHouse,2000:86.(inChinese)144