TiO2深度处理研究

36220114:JournalofGuangxiUniversity:NatSciEdVo.l36No.2Apr.2011:2010-10-12;:2011-01-14:(20070593005);(0639002):(1963-),,,,;E-mai:[e-mail]:1001-7445(2011)02-0353-05UV/TiO2周敬红,章志萍,王双飞(,530004):GC)MS),UV/TiO2,,,-Cl,UV/TiO2,:pH7~9,TiO22g/L,300W,90min,96%,(CODcr)7519%,UV2540114,:;;GC-MS;UV/TiO2;:X505:AStudyofadvancedtreatmentonbiotreatedeffluentfrompapermakingwastewaterwithUV/TiO2ZHOUJing-hong,ZHANGZh-iping,WANGShuang-fei(CollegeofLightIndustrialandFoodEngineering,GuangxiUniversity,Nanning530004,China)Abstract:Thecharacteristicofthebiotreatedeffluentfrompapermakingwastewaterwasstudiedbyultravioletspectrophotometryandgaschromatography-massspectrometry(GC-MS),andtheeffectsofadvancedtreatmentonbiotreatedeffluentfrompapermakingwastewaterwithUV/TiO2werediss-cussed.Theresultsshowedthatthemainorganiccomponentsinthebiotreatedeffluentwerecom-plex,theybelongedtoester,phenols,ketones,alkanesandaromaticcompounds,containingauxo-chromicandchromophoricgroupssuchasolefinicbond,carbony,lcarboxy,lamidoand-C,leta.lTheinteractionbetweeentheauxochromicandchromophoricgroupsmadetheeffluentcolordeeper.UndertheconditionsofeffluentpH7~9,TiO2dosage2g/L,UVpower300Wandreactiontime90min,theremovalofchromaandCOD(chemicaloxygendemand)are96%and75.9%respectively,theUV254decreaseto0.14,respectively,whichachievethedesiredresul.tKeywords:biotreatedeffluen;tultravioletspectrophotometry;GC-MSanalysis;UV/TiO2;advancedtreatment,,(CODcr)(BOD5),,,:[1-2],:36CODcrBOD5,,(AOX),,,,[3-5][6-10],30%,,,,,[11],UV/TiO21111(),11Tab11WaterqualityindexofsecondaryeffluentCODcr/(mg#L-1)BOD5/(mg#L-1)TOC/(mg#L-1)pH/SS/(mg#L-1)UV254230~25030~50110~130718~910400~45060~70319~410112SGY-1()()UV-VIS(Agilent8435)TOC(totalorganiccarbon)TEKMARApollo9000TOC,GC/MS[12]TiO2Degussa()P25TiO2113)(GC-MS/QP5050A):(He)80kPa;100B1;H230mL/min;400mL/min;:60e(3min),5e/min65e,8e/min280e(20min),1B10;1LL:EI,70EV,200e,115kV,500Lm,35~400LmGC-MS[13]:¹3L,pH813,pH,40mL,3min,,,,,25mL,ºNaOHpH(NaOH)12,25mL,,,,»5pH2,25mL40e,1mL,,4e114SGY-1,300W500W,,,20~25e400mLTiO2,,(240mL/min),,,,3542:UV/TiO2,pHUV254(254nm)CODcr[14]221121111紫外和可见光谱分析56(GB3544-2008),AOX,,,,,12,400~450nm,500~600nm200~220nm230~270nm,270nm200~220nmE2,230~270nm,,,270nm,,,,,,1Fig11UVAbsorptionscanspectrumofrawsecondaryeffluent2Fig12Visibleabsorptionscanspectraofrawsecondaryeffluent3GC-MSFig13Gaschromatographyspectrumofrawsecondaryeffluent21112GC/MS分析,GC/MS[15]3,355:36,22,22,,,-Cl-OH-COOH-NH2[16-18],,GC/MS2GC-MSTab12AnalysisofGC-MSwiththecomputerdatabase/%1C5H8O301452C6H10O4015632-C5H10O201964C11H24O4014052-C5H9ClO01466C8H18O2013572-C8H16O01498C8H14O3011991-C7H15Cl0124102--2-C5H11Cl015611N-cyclohexylacetamideC8H15NO014612C12H24O2015513C14H28O20159142,6-C15H24O014215C18H36O21109162,6--N-C17H27NO2113717C16H22O4019318C16H22O4017619C16H33Cl018420C22H44O4018021C28H581153222,4-2(1-)-C22H22O1103212UV/TiO24UV/TiO2Fig14EffectoftimeontheUV-VISspectrumofwastewatersolutionindifferentreactingtimeUV/TiO2(:pH7~9,TiO22g/L,300W),UV-VIS,44,,,200~220nm230~270nm,,UV/TiO290min,GC-MS,,,96%,3562:UV/TiO2411b16b,COD7519%,UV2540114UV/TiO23¹UVGC/MS,,ºUV/TiO2:pH7~9,TiO22g/L,300W,90min,96%,COD7519%,UV2540114,,COD:[1]1[J].,2006,32(7):26-27.[2],1[J].,2006,35(3):50-52.[3]THOMPSONG,SWAINJ,KAYM,etal1Thetreatmentofpulpandpapermilleffluent:areview[J].BioresourTechno,l2001,77(3):275-286.[4]AMATAM,ARQUESA,LOPEZF,eta.lSolarphoto-catalysistoremovepaperwillwastewaterpollutants[J].SolarEnergy,2005,79:393-401.[5]SPRINGERAM,HANGVC1Electrochemicalremovelofcolorandtoxityfrombleachedkrafteffluents[J].TappiJourna,l1995,78(12):85-92.[6]G#A#1[M].1:,2001.[7],,1[J].,2006,21(3):34-37.[8],,,1O3/H2O2[J].,2009,31(10):52-56.[9],,1[J].,2009,28(3):369-372.[10],,,1[J].,2008,27(2):193-196.[11],,,1[J].:,2008,33():101-104.[12],,1[M].:,2005:76-90.[13],,1GC-MS[J].,2003,4(8):31-33.[14]1[M].:,1998.[15],,,1GC-MS[J].,2010,31(4):1008-1013.[16],,1GC-MS[J].,2005,21(1):53-55.[17],,,1GC-MS[J].,2002,21(3):86-88.[18],,1GC/MS[J].,1998,19(1):33-42.()357