FeCo合金催化降解腈纶废水影响因素研究

6《》[e-mail]*[e-mail]。EnvironmentalScience&Technology38620156Vol.38No.6Jun.20151324*2341351.0560382.3.4.1000125.110159Fe-Co。pH16COD35.0%60.0%10.1%10minCOD10.8%57.0%60.8%H2O2COD。pH2H2O262.868g/L10minCOD65.5%《》GB8978-1996。3Fe-Co、UV。Fe-CoX703.1Adoi10.3969/j.issn.1003-6504.2015.06.0301003-6504(2015)06-0181-06InfluencingFactorsofFe-CoAlloyintheCatalyticDegradationofAcrylicFiberWastewaterYUQing13JIANGJinyuan24*BAILu2ZHOUYuexi34XUJixian1CAOChunyan351.SchoolofUrbanConstructionHebeiUniversityofEngineeringHandan056038China2.ResearchCenterofEnvironmentalEngineeringDesignChineseResearchAcademyofEnvironmentalScience3.ResearchCenterofWaterPollutionControlTechnologyChineseResearchAcademyofEnvironmentalScience4.StateKeyLaboratoryofEnvironmentalCriteriaandRiskAssessmentChineseResearchAcademyofEnvironmentalScienceBeijing100012China5.CollegeofMaterialsScienceandEngineeringShenyangLigongUniversityShenyang110159ChinaAbstractFe-Coalloywasappliedinthecatalyticdegradationofacrylicfiberwastewaterandtheinfluencingfactorsduringthereactionprocesswereinvestigatedandoptimizedandthepollutiondegradationrulewasstudiedwiththree-dimensionalfluorescence.ResultsshowedthatCODremovalratequicklyincreasedfrom35.0%to60.0%andthenquicklydecreasedto10.1%whilepHincreasedfrom1to6.Whenthereactiontimewaslessthan10minCODremovalratequicklyincreasedfrom10.8%to57.0%andthenmaintainedstableafteritslowlyincreasedto60.8%.Alloy/H2O2massratioanddosageofalloyhadlittleinfluenceontheCODremovalrate.InoptimumconditionsofpH2alloy/H2O2massratio6dosageofalloy2.868g/Lreactiontime10mintheremovalrateofCODwas65.5%andthetreatedwastewaterreachedtheGradeIintheIntegratedWastewaterDischargeStandardGB8978-1996.Scanningthewastewaterbeforeandaftertreatmentitwasfoundthatthreeobviousfluorescencepeaksdisappearedcompletely.Fe-CoalloycanremoveallvisiblehumusproteinandUVhumusofacrylicfiberwastewaterefficiently.KeywordsFe-Coalloyacrylicfiberwastewaterinfluencefactorthree-dimensionalfluorescence38[1-2]、、、·OH[3]。CO2H2O。Fenton[4-11]。Fenton、、H2O2、[12]。FentonFentonFenton[13]、。Fe0CoFenton———Fe-Co。[14]、、、、。[15]FeCo、、-。Fe-Co。DMAC、AN、、、、[16-18]。、[19]。pH、H2O2M/H2O2、、Fe-Co。11.1FeCl2·4H2O、CoCl2·6H2O、KBH4、C6H9NOn、NaOH、H2SO4、H2O2、Na2S2O3·5H2O、Fe、Na2SO4、NaCl、HCl、HNO3、COD。。。YZ1515X98-1-BJB90-SMY3000-6NPHS-3EpHAL104-1000mLMilli-QDZF-6020CTL-12UV-2100F-7000。1.21。+。1Table1Waterqualityofwastewatermg/LpHCODBOD5TOCTNNH3-NDMAC6~8250~3000~5060~100120~18065~703.2~26.30.4~9.61.3Fe-CoFe-Co1∶1。100mL0.5mol/LFeCl20.5mol/LCoCl2500mLKBH4NaOH100mL。KBH4NaOH1h3~424hFe-Co。FeCo0.5mol/L100mLFe/Co1∶1。1.41LpHH2O2Fe-Co200r/minpH±0.02。1.5H2O2CODNaOHpH≥10.050℃1hpH≈7.01hCTL-126COD10200~500nm10nm2400nm/min。22.1pHCODM/H2O262.868g/LpHCOD1~2。1COD2minCODpH3、4pH2COD10minCODpH5COD。10minpHCOD2。2pHCOD。pH16CODpH2COD60%COD。Fenton[20]FentonFe2+pHpHFe3+Fe2+pHFe3+Fe2+·OH。pH2。2.2M/H2O2CODpH22.868g/LM/H2O2COD3、4。35minCODM/H2O25minCODCODM/H2O26COD。10minM/H2O2COD4。4M/H2O2COD。M/H2O26COD61.21%。M/H2O2COD。M/H2O2FeH2O2Fe2+Fe2+H2O2·OH·OHM/H2O2FeH2O2·OH·OH。FeH2O2COD。Fenton、38[21-22]H2O2/Fe2+。H2O2/Fe2+FeH2O2。M/H2O26。2.3CODpH2.0M/H2O26COD5、6。55minCOD5min2.868g/LCOD61.2%10minCOD。10minCOD6。6COD2.868g/LCODCOD。M/H2O2Fe2+·OHCOD。[23]Fenton·OHFe2+·OHFe2+·OH。·OH·OHCOD。[24]FentonFe2+COD。Fe2+H2O2·OH·OHFe2+H2O2O2。2.868g/L。2.4CODpH2.0M/H2O262.868g/LCOD7。75minCODFe2+H2O2·OH·OHCOD10.8%57%5min10minCOD10minCOD60.8%。COD·OH·OH。CODCOD。COD·OH[25]。10min。2.5pH2M/H2O262.868g/L10min。Fe-CoCOD89.6mg/L64.2mg/L《》GB8978-1996。Fe-CoCODCOD65.5%。2.6Fe-Co6Fe-Co108。8Fe-Co。8aFlu1～Flu33Ex=220~320/Em=230~440Ex=320~400/Em=230~4403Flu1Flu2Flu3UV[26-27]3[28-29]。Fe-Co8b33。Fe-Co、UV。31pH2M/H2O262.868g/L10min。2Fe-CoCOD89.6mg/L。Fe-CoCODCOD65.5%。3Fe-Co、UVFenton。[][1].·OH[J].200326144-46.LiuDonglianHuangYanbin.Formationmechanismofhy－droxylradicalsanditsapplicationinwatertreatment[J].En－vironmentalScience&Technology200326144-46.inChinese[2].[J].201029769-73.YangDeminWangBing.Applicationofadvancedoxidationprocessinpapermakingwastewatertreatment[J].ChinaPulp&Paper201029769-73.inChinese[3].、[D].2004.ZhangSiyong.StudyonPreparationStructuralCharacteri－zationandCatalyticHydrogenationofFurfuralofAmor－phousAlloy[D].ShanghaiShanghaiNormalUniversity2004.inChinese[4].Fenton[J].2012258911-915.WangYeJiangJinyuanZhouYuexietal.CharacteristicsofFentonprocessinadvancedtreatmentofacrylicfiberwastewater[J].ResearchofEnvironmentalScience2012258911-915.inChinese[5]EnisovETMetelitsaDI.Oxidationofbenzene[J].RussianChemicalReviews1968379656-665.[6]HughREisenhauer.Oxidationofphenolicwastes[J].Wa－terPollutionControlFederation19643691116-1128.[7].Fenton[J].2009325141-143.LiuJianyuWangXiaojun.Advancedtreatmentoffine-chemicalswastewaterbyFentonreagent[J].EnvironmentalScience&Technology2009325141-143.inChinese[8].Fenton[J].2009383457-459.LingZhuqinWangXiaojun.TreatmentofwastewaterofchemicalfactoryofdailyusecontainingabundantsodiumsulfatebyFentonoxidation[J].AppliedChemicalIndustry2009383457-459.inChinese[9]BHHameedTWLee.Degradationofmalachitegreeninaqueous