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11PTA213164PTApH、COD、PTACOD420mg/LCOD150mg/L。。PTAX703Adoi10.3969/j.issn.1003-6504.2010.11.0341003-6504(2010)11-0149-03CatalyticOxidationTreatmentofPTAWastewaterbyChlorineDioxideLIUJian-wuZHANGYueYANSheng-huSHENJie-faResearchInstituteofFineChemicalEngineeringJiangsuPolytechnicUniversityChangzhou213164ChinaAbstractTreatmentconditionsofdifferentmethodsforPTAwastewaterwerecompared.InfluencefactorsintermsofremovalratesofchromaticityandCODwereinvestigatedincludingpHreactiontimeandadditionofClO2.TheoptimumoperationparametersofeachoxidizingagentweredeterminedthroughexperimentswithCODCrreducedto420mg/Lthroughlowercostandsimpleoperationthenbelowto150mg/Lunderreactorbiodegradationsystem.Themethodhassomemeritsincludingconvenientoperationoptimizingprocess-flowidealtreatmenteffectsimpleoperationandfriendlytotheenvironment.KeywordsPTAwastewatercatalysisoxidationClO2PTA、。PTA[1]、、、PTATA、、、、、、、、、、40[2]。、[3-4]。pH、COD、PTACOD420mg/L[5]COD150mg/L。PTAPTA。11.1ClO2。2000ml。1.21。1.3、PTA2010-01-252010-03-041972-liujianwu112@163.com。EnvironmentalScience&Technology3311201011Vol.33No.11Nov.201033ClO2COD。22.1COD1000mg/L。105~110：1pH4.515±5℃60min2。2COD。0%~20%COD30%。30%COD400~450mg/L。2.2CODClO230%105~110：1pH4.515±5℃3。3COD。0%~30%COD。1h。1hCOD400~450mg/L。2.3CODPTA。ClO230%1hpH4.515±5℃4。4COD。100。100~120。100~110。2.4pHCODClO230%1h105~110：115±5℃5。5pHCODpH4。。pH4.0~5.0pH。150112.5CODClO230%1h105~110：1pH4.5。COD。31000mg/LPTAClO230%1h105~110：1pH4.5PTACOD3000mg/L420mg/L。、、。[][1].[J].199515223-25.LiGang,ShenLi-xian.Pureterephthalicacidwastewatertreatment[J].ChinaBiogas,1995,15(2):23-25.(inChinese)[2]GradyCPL,DaiggerCTJr,LinHC.[M].,.:,2003:522-588.GradyCPL,DaiggerCTJr,LinHC.BiologicalWaster－waterTreatment[M].ZhangXi-hui,LiuYong-di,Trans.Beijing:ChemicalIndustrialPress,2003:522-588.(inChi－nese)[3],,,.[J].,2002,28(3).GuanYu-hong,XuGen-liang,ZhaoDe-ming,etal.Treat－menttechnologyofwastewatercontainingterephthaticacid[J].TechnologyofWaterTreatment,2002,28(3).(inChinese)[4],.·OH[J].2001271216-20.JiangJu-hui,YuJi-shun,LiWu,etal.Theprogressoftheresearchonadvancedoxidationprocessesbyozoneandanapproachtoitsinfluencedfactors[J].IndustrialSafetyandEnvironmentalProtection,2001,27(12):16-20.(inChinese)[5]RobbertKleerebezem.Theroleofbenzoateinanaerobicdegradationofterephthalalate[J].AppliedandEnvironmentMicrobiology,19996531161-1167.PTA151