UVFenton法处理制浆造纸废水相关因子筛选

UV/Fenton1121[1.5106402.()536000]SelectionofcorrelatingfactorsforthetreatmentofpulpandpapermillefuentbyUV/FentonprocessWANGZhao-jiang1,CHENKe-fu1,DINGYong-kui2,LIJun1(1.StateKeyLabofPulpandPaperEngineering,SouthChinaUniversityofTechnology,Guangzhou510640,China;2.IndustrialParkManagementCommitteeofTieshanHarbor,Beihai536000,Guangxi,China)Fenton-pHUVTiO2pHUVTiO2pHUVTiO2UV/Fenton-CODBODUV/FentonUV/FentonAbstract:TheadvancedtreatmentofefuentinpulpandpapermillsbyUV/Fentonoxidation-occulationprocesswasstudied.FactorsaffectingoxidationtreatmentsuchaspH,UVandTiO2wereanalyzedandscreenedbyfactorialde-signexperiments.ResultsshowthatthemarkeddegreesequenceoffactorsarepH,UV,TiO2,withpH,UVhavingsignicantpositiveeffectwhileTiO2havingnegativeeffectonthedecreaseofefuentpollutionload.TheefuenttreatedbyscreenedUV/Fentonoxidation-occulationoperationconditionisinaccordancewiththedischargestandardofwaterpollutantsforpulpandpaperindustryforthehighremovalrateofchroma,COD,BOD.TheFTIRresultsshowthatphenylstructureinligninissplittedandchangedintoacycliccarboxylicacidbyUV/Fentonoxidation.Keywords:AOPs;UV/Fenton;pulpandpapermilleffluent;advancedtreat-ment;factoranalysisB11B1080090:X793:A:1007-9211(2010)02-0010-053TEchnology82010122010110[14][5][6]20086GB3544-2008Fenton(H2O2/Fe2+)(AOPs)[710],OHFe(II)Fe(III)FentonTiO2ZnOCdSFenton[1112]Fenton-FentonpHUVTiO2FTIR11.11.1.1CEH1FentonpH6.87456COD350mg/LBOD160mg/L1.1.230%H2O2,FeSO47H2O99.9230nmSigmaH2SO4NaOH,1.1.3DR5;BODT;LRH-250NicoletNxeusFTIR;ZDF-6210AnkeTDL-520WUV,254nm1.21.2.1Fenton32pHUVTiO211.2.2FentonpH150r/min1min50r/min5min,60minCODBOD51.31.3.1CODBODCODBODGB/T11903-1989HJ/T399-2007GB/T7488-19871.3.2FTIR-200ml,pHG48040KBrFTIR22.12.1.1[1318]OF(II)1UVpHTiO2UVpH-1UVpH3.04mg/L120W,510-6Einstein/sH2O250mmol/L,H2O2/Fe(II)101,,2h1FentonSBR,V3,N&Iy7TEchnology2010000HACHrakH22eJan.2010ol.1o.2ChinaPulpPaperndustr11UVpHTiO2CODBOD322322.1.2,,22FentonUVpHTiO2CODBOD12pHUVTiO2,pHUVCODBODTiO2CODBODTiO2[19]2.1.33pHpHpHUVCODBOD+1-1pHUVCODBODpHTiO2CODBOD+1-1TiO2FentonpHUVTiO22.2FentonFe(III),Fe(III)Fe(OH)3Alpha=0.05;;;A:UV;B:pH;C:TiO2BOD5(Y2)COD(Y1)Y1=178.76-10.77X1-65.10X2+5.32X3+7.68X1X2+4.29X1X3-5.03X2X3R2=99.38%Y3=105.12-5.73X1-42.26X2+12.35X3+10.27X1X2+2.41X1X3+3.93X2X3R2=98.31%2-1-111-1111-11-1-11-11-1pH(X2)12345678910111213141516111-1-11-1-111-1-111-1-1UV(X1)205247112116263109115119244111263260111204117264COD(Y1)-11-1-1-11-11111-1-1-111TiO2(X3)1211374351150864969135961781534412865172BOD(Y2)3TEchnology820102122010112,pHCODBOD53Fenton-CODBOD90%[20]2.3Fenton1510cm-11[21]44FentonFTIR1600cm-11510cm-11425cm-117001735cm-1,[22,23]13401450cm-114591461cm-1C-H650900cm-1C-H1250950cm-1C-O4FTIR400036003200280024002000160012008004003.53.02.52.01.51.00.50.0Ai/A1510cm-13%67*2594.522.87.5-pHFe(III),CODmg/L1124686.86BODmg/L432882.504FTIR340334243000285017001735164616391600,1510,14251459146113401450125095065cm-1O-HCH3,CH2C-HC=OC=OC-HC-HC-HC-O3.021.07,0.93-1.491.55,1,1.72--1.043,3Ai/A151034242917,2850-16351594,1510,1415--1125,cm-11.620.99,0.831.061.181.07,1,0.960.970.901.6534242917,2850172616351594,1510,1421146113801120cm-1Ai/A15103pHUVTiO2CODpHUVTiO2BOD5,V3,N&Iy37TEchnology20100900C-H0.70.8882841--Jan.2010ol.1o.2ChinaPulpPaperndustr133.1Fenton-CODBOD95.8%94.9%93.4%3.2pHUVFentonCODBODTiO2Fenton3.3UV/Fenton[1]UpendraDPatel,SumathiSuresh.Electrochemicaltreatmentofpentachlorophenolinwaterandpulpbleachingeffluent[J].Sepa-rationandPurificationTechnology,2008,61(2):115-122.[2]DVSavant,RAbdul-Rahman,DRRanade.Anaerobicdegra-dationofadsorbableorganichalides(AOX)frompulpandpaperindustrywastewater[J].BioresTechnol,2006,97(9):1092-1104.[3].-[J].,2000,21(12):17-21.[4]KRanganathan,SJeyapaul,DCSharma.Assessmentofwa-terpollutionindifferentbleachingbasedpapermanufacturingandtextiledyeingindustriesinIndia[J].EnvironMonitAssess,2007,134:363-372.[5]BrianVanDriessel,LewChristov.Decolorizationofbleachplanteffluentbymucoraleanandwhite-rotfungiinarotatingbio-logicalcontactorreactor[J].JournalofBioscienceandBioengi-neering,2001,92(3):271-276.[6]SLacorte,ALatorre,DBarcel,etal.Organiccompoundsinpaper-millprocesswatersandeffluents[J].TrendsinAnalyticalChemistry,22(10):725-737.[7]CPHuang,ChengdiDong,ZhonghungTang.Advancedchemi-caloxidation:Itspresentroleandpotentialfutureinhazardouswastetreatment[J].Wastemanagment,1993,13:361-377.[8]OAMakhotkina,SVPreis,EVParkhomchuk.Waterdelignifi-cationbyadvancedoxidationprocesses:Homogeneousandhet-erogeneousfentonandH2O2photo-assistedreactions[J].AppliedCatalysisB:Environmental,2008,(84):821-826.[9]IvnMuoz,JoanRieradevall,FrancescTorrades.Environmentalfffxbleachingkraftmilleffluent[J].Chemosphere,2009,(62):9-16.[10]EbruCokayCatalkaya,FikretKargi.Color,TOCandAOXre-movalsfrompulpmilleffluentbyadvancedoxidationprocesses:Acomparativestudy[J].HazardousMaterialsB,2007,(139):244-253.[11]NKlamerth,NMiranda,SMalato.DegradationofemergingcontaminantsatlowconcentrationsinMWTPseffluentswithmildsolarphoto-FentonandTiO2[J].CatalysisToday,2009:1-7.[12]SariHVilhunen,MikaETSillanp.Ultravioletlightemittingdiodesandhydrogenpero