催化湿式氧化处理造纸废水的研究

81221.2566002.317000CuOCu、、COD。2.5MPa3h3gCu4%220℃500mL3250mg/LCOD90%89%pH9.67.8。。450℃3hCOD88%9COD85%。CuO/γ-Al2O3X703.1A1003-6504(2009)08-0139-04TreatmentofPaper-makingWastewaterbyCatalyticWetAirOxidationMethodLIUXue-wen1WANGYong2GEChang-hua21.DepartmentofUrbanandEnvironmentBinzhouUniversityBinzhou256600China2.SchoolofPharmaceuticalandChemicalEngineeringTaizhouUniversityLinhai317000ChinaAbstractPaper-makingwastewaterwastreatedbycatalyticwetairoxidationmethodusingCuOasactivecompositesupportedonγ-Al2O3.EffectofinfluencingfactorsonCODremovalratewasinvestigatedincludingCuloadingamountofcatalystandreactiontemperature.ResultsshowedthatbasedonpO22.5MPaandreactiontime3hCODremovalratewas90%andpHvaluedeclinedfrom9.6to7.8for500mLpaper-makingwastewaterwithconcentrationof3250mg/LwhenCuloadingwas4%amountofcatalystwas3gandreactiontemperaturewas220℃.Regenerationtreatmentofcatalystwascarriedoutanditsstabilitywasdetermined.ResultsshowedthatCODremovalratedecreasedto88%forrawwastewateratthesameabovereactionconditionswhencatalystwascalcinatedfor3hat450℃.Afterthecatalystwasusedrepeatedlyfor9timesCODremovalratemaintained85%.KeywordscatalyticwetairoxidationCuO/γ-Al2O3catalystpaper-makingwastewaterstability[1]。。。、COD、[2]。CatalyticwetairoxidationCWAO[3]。CWAO[4]。[5][6]。CuO/γ-Al2O3[7]O2COD。[e-mail]。EnvironmentalScience&Technology32820098Vol.32No.8Aug.200932HCA-100CODPHS-10A1±0.5℃。1.2COD3250mg/LpH9.6400SS600mg/L。1.3γ-Al2O3300℃。CuNO32γ-Al2O3450℃4h。1.49。69O2391500mL3h1716COD。14。22.1WAOCWAO1%Cu2110minCWAOCODWAOCODCWAOWAO。WAOCWAOCuOCu。2.2CuCuOCu2%、4%、6%8%CuCOD3。3Cu4%COD。γ-Al2O3。。Cu4%。2.3。COD。41g3gCOD15%COD1%0.7%2%。3g。82.4Arrhenuis。。。5COD。5COD。O2[8]。Cu。。。。220℃。2.5pHCuOCuOH2。。450℃COD。450℃γ-Al2O3。CuOH2。CuO。63hCOD。2.6500mL。450℃3h。COD。7。7COD85%。。31Cu4%500mLCOD3250mg/L220℃PO22.5MPa3g3hCOD90%40pH。2450℃3hCOD。329COD85%。[][1].[J].20072718-11.ZhangXuanJiangHong-lei.Researchprogressinthetech－niquesofpulpandpaper-makingwastewatertreatment[J].IndustrialWaterTreatment20072718-11.inChinese[2].Fe3+TiO2[J].200638495-99.ShiZhong-liangNingBoWangChuan-shengetal.StudyontreatmentofpapermakingwastewaterwithFe3+dopedTiO2photocatalysis[J].JournalofNortheastNormalUniversityNaturalScienceEdition200638495-99.inChinese[3].[J].2007263417-422.ZhangHong-yanLuXue-meiLiuZhi-yingetal.Treat－mentofdegradation-resistantpesticidewastewaterwithhighsalinitybywetairoxidation[J].ChemicalIndustryandEn－gineeringProgress2007263417-422.inChinese[4].Ru[J].2007286521-527.WangJian-bingZhuWan-pengWangWeietal.Activ－ityandstabilityofpelletizedrutheniumcatalystsinwetairoxidation[J].ChineseJournalofCatalysis2007286521-527.inChinese[5].-ABR-SBR[J].2007331157-59.WangSenZhangAn-longLuoQing.Treatmentofpa－per-makingwastewaterbycoagulationsedimentation-ABR-SBRcombinedprocess[J].TechnologyofWaterTreatment2007331157-59.inChinese[6].[J].200727468-71.WangQinWangHuiMaFangetal.Researchonappli－cationofcompoundbioflocculant[J].IndustrialWaterTreat－ment200727468-71.inChinese[7]QiuZMHeYBLiuXCetal.Catalyticoxidationofthedyewastewaterwithhydrogenperoxide[J].ChemicalEngineeringandProcessing20054491013-1017.[8].[M].2002.SunDe-zhiFengYu-jie.AdvancedOxidationTechnologyinEnvironmentalEngineering[M].BeijingChemicalIn－dustryPress2002.inChinese