高级化学氧化工艺在制浆废水处理的应用武书彬

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武书彬(,,510641)  (AdvancedOxidationProcesses,AOPs),。,AOPs,、。      。,,,、,。、、,[1]。、。、,,20。,,,。,,、。、、COD[2]。,,。,OH·,OH·pH。OH·,[3,4],。。1 Glaze,[5]。1AOPs[6]。,O3、H2O2、O3/H2O2、UV/O3、UV/H2O2、UV/(O3+H2O2),;(n),:1999-02-01()、。·43·19999 ChinaPulp&Paper1 AOPs1. O3/UVH2O2/UV(us)H2O2/usUV/us O3/H2O2O3/OH-H2O2/Fe2+2. TiO2/O2/UVTiO2/H2O2/UV。1.1 1.1.1 O3UV/O3O3(E0=2.07V),O3,OH·、(HO2·)。:O3+H2O2OH·+O2,,OH·,,。,、[7]。()O3,,、,。,,,,,102~104,CO2H2O[8]。1.1.2 H2O2UV/H2O21.77V,(pKa)11.6,,,。,,,,(),[9]。UV/H2O2,H2O2(λ300nm),,:H2O2+hγ(λ300nm)※20H·。UV/H2O2:、H2O2、、pH、。。UV/H2O2pH。,。[3,10]:UV/H2O2,mg/Lmg/L,,。。H2O2,、,。UV/H2O280、、。,、、。。:SO42-、SO32-、CO32-,OH·,OH·[3]。1.1.3 UV/H2O2/O3UV/H2O2/O3UV/H2O2、UV/O3,,,[11]: H2O2+2O32OH·+3O2 H2O2HO2-+H+ HO2-+O3HO2-+O3·-·44· 5 O3·-+H+HO3(pKa=6.15) HO3·OH·+O2 HO2·O2·-+H+(pKa=4.8) O2·-+O3O2+O2·-,O3H2O2。UV/O3/H2O2:O3、UV/H2O2UV/H2O2/O3,UV/H2O2/O3,[12]。1.1.4 Fe2+/H2O21894FentonFe2+H2O2,。Fe2+/H2O2,H2O2,Fe2+,H2O2Fe2+,OH·。:H2O2+Fe2++H+OH·+Fe3++H2O,OH·,。,Fe2+Fe3+,[13]。[14],。1.2 。TiO2、ZnO、CdS,(Valenceband)(Conductionband)(Eg),。,n,,,,/(electron/holepairs),,/,,。7.5eV,,[15]。,。,TiO2、ZnO、CdS。、。、pH、、O2H2O2。。[16]:、、、、。2 2.1 ,,[17],350nm,O2TiO2,。2。(CDDs,CDD,DCDD,PeCDDOCDD),2 /mg·L-1pH/nmO2/min/h123310TiO220CO2,HCl10~15125330~370TiO2—CO2,HCl31210.5310TiO215CO2,HCl10~15·45·19999 ChinaPulp&Paper。[18]TiO2/O2/UV,TiO2CDDs,,4h2,3-(DCDD)、1,2,3,7,8-(PeCDD)(OCDD)87.2%、84.6%91.2%,TiO2。2.2 JNDestube[19],UV/O2,ROO·,,。:COD93000mg/L、60%,,100(COD930mg/L),UV/TiO215h,,COD360mg/L[20]。1∶250,2%ZnO,(λ254nm)60min,COD57%80%。(0.15gPt/lgZnO),60min,,COD[21]。[22],,,。2.3 AOX。,COD、BODAOX,(1000),COD,AOX(30%~50%)[23]。[24~26],1000,,AOX,,。YBSun[27]。,95%1000,140℃,,。O3/H2O2,94%85%。UV/O3:pH=2.2,15mg/L,32mg/LUV/O3,[28],O3/H2O2,85%,94%。LBSonnenberg[29],,8,50%20%,,,,。。FrederickArchibald[30](CD)EoDEDCE。450nm,、、AOX、。:,·46· 5(λ=350nm)-(λ=450~550nm),。2.4 ,,,。[31],pH,O3O3/UVCOD,。O33gO3/gCOD,COD85%,O3。O3,20~80gO3/m3。,。,;COD,,,,。O3。UV/O3O3/H2O2[32]。CEH,:TiO2,O2,1,(10000)80%,,,COD、TOCl。3 、  ,,。O3、H2O2、O2,、、[33],,,,,。、3。H2O2UV/H2O2O3UV/O3,H2O2O3,0.7%,。,,。,。,3 [3]  O3UV/O3H2O2UV/H2O2UV/H2O2/O3Fe2+/H2O2UV/TiO2·47·19999 ChinaPulp&Paper,:;,。1 MSuzuki.WastewatertreatmentinJapanesepulpandpaperin-dustrytoday.TAPPIproceedingsof1994InternationalEnviron-mentalConference.57~642 TRBrooks,GESaltinetal.Kraftmillclose-upstudies.TAPPIproceedingsof1994InternationalEnvironmentalConfer-ence.493~5003 MartinMHalmann.Photodegradationofwastepollutants.CRCPress,Inc.,1996,USA4 ..,1994,2(6):23~315 WHGlaze.Drinkingwatertreatmentwithozone.Environ.Sci.andTechnol.,1987,21:2246 C.P.Huang,ChengdiDongandZhonghungTang.Advancedchemicaloxidation:itspresentroleandpotentialfutureinhaz-ardouswastetreatment.Wastemanagment,1993,13:361~3777 ..,1997,18(3):77~798 JGierer.Holzforschung,1997,51(4):177~1829 ARBowers,PGaddipati,etal..Treatmentoftoxicorrefrac-torywastewaterswithhydrogenperoxide.WaterSci.andTech.,1989,21(4):477~48110 YTWangandJLLatchaw.Anaerobicbiodegradationandtoxic-ityofhydrogenperoxideoxidationproductsofphenols.ResearchJ.WaterPoll.Cont.Fed.,1990,6:234~23911 CVSonntagetal..Peroxylradicalsinaqueoussolutions.Per-oxylradicals,173~185,EditedbyZBAlfassi,1997,JohnWiley&SonsLtd.12 NHInceandDTGonenc.TreatabilityofatextileAzodyebyUV/H2O2.EnvironmentalTechnology,1997,18(2):179~18613 NAHayekandMDore.Waterreseach,1990,24:973~98214 ,.-Fenton.1994,13(4):302~30615 ..,1995,3(1):55~6416 ,.,1996,4(3):1~1717 GLPumaandPLYue.Photodegradationofpentachlorophenol.PhotocatalyticprificationandtreatmentofWaterandAir.Else-vierSciencePublishers,Amsterdam,1993,689~69418 ,.TiO2--.,1996,15(1):47~5119 JNDestine,JWangetal..Thephotodegradationofmilled-woodlignin,part1,theRoleofOxygen.JPPS,1996,22(1):24~3020 LTinucci,EBorgarello,etal..TreatmentofindustrialwastewatersbyphotocatalyticoxidationonTiO2.PhotocatalyticprificationandtreatmentofWaterandElsevierSciencePublish-ers,Amsterdam,1993,585~59421 HDMansilla,JVillasenor,etal..ZnO-catalysedphotodegra-dationofkraftblackliquor,J.Photochem.photobiol.,A:Chem..1994,78:267~27322 PPeraltaZamora,S.D.Moraes,R.Pelegrainni,etal..EvaluationofZnO,TiO2,andsupportedZnOthephotoassistedremediationofblackliquorcelluloseandtextilemilleffluents.Chemosphere,1998,36(9):2119~213323 CWBryantandAmyGL.Seasonalandin-millaspectsoforgan-ichalideremovalbyanaeratedstablizationbasintreatingakraftmillwastewater.Wat.Sci.Tech.,1989,21:231~23924 PESagforsandBStarck.Highmasslignininbleachedkraftpulpmilleffluents.Wat.Sci.Technol.,1988,20(1):49~5025 KPKringstadandKLindstrom.Spentliquorfrompulpbleach-ing.Environ.Sci.Technol.,1984,18:236~24826 JKJokelaandMSolkinoja-salonen.Molecularweightdistribu-tionsoforganichalogensinbleachedkraftpulpmilleffluents.Environ.Sci.Technol.,1992,26,1190~119727 YBSu,H-YGao,etal..JPPS,1992,18(2):J4928 C.JSomichetal..Environ.Sci.Tech.,1990,24(5):745~75929 LBSonnenberg,SJWatteetal..Photolysisofchlorinatedor-ganiccompoundsinbleachplanteffluentsexposedtosunlight.TAPPIproceedingsof1994InternationalEnvironmentalConfer-ence,359~36930 FArchibaldandLRoy-Arcand.Photolysisofkraftbleacheryef-fluenthighmolecularwe

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