O3UV工艺处理印染废水二级出水的试验研究朱辉

38820098　　　AppliedChemicalIndustryVol.38No.8Aug.2009:2009-05-04　　:2009-07-07:(1971-),,,,、。13776561277,E-mail:[e-mail]3/UV朱辉(,　211112)　:O3/UV。,pH7.4500mL,33.75mg,UV10W,O3/UVUV254CODcr30.6%,23.5%。,O3/UV,;pH,O3/UV;,O3/UV。:;O3/UV;:X703.1　　　:B　　　:1671-3206(2009)08-1230-03ResearchonadvancedtreatmentofprintinganddyeingwastewaterbyO3/UVZHUHui(JiangsuSunpowerTechnologyCo.Ltd.,Nanjing211112,China)Abstract:DyeingwastewaterfrombiologicaltreatmenttankwasoxidatedbyO3/UVprocess.Theresultsshowthatasforthe500mLwastewaterwhoseinitialpHvalueis6.8,ontheconditionthatozonedosageis33.75mg,UVlightingtubeis10W,theremovalrateofCODcrandUV254inO3/UVis30.6%and23.5%higherthanthatinO3,respectively.ComparedtoO3process,theproportionoforganicmatterintheeffluentofO3/UVprocessishigherthantheproportionofO3process.ComparedtoO3/UVprocess,thepHvalueofwatewaterhaveagreaterinfluenceontheO3process;t-BAhasanegativeinfluenceonremovalrateofO3/UVprocess.Keywords:printinganddyeingwastewater;O3/UV;advancedtreatment　　,,。,。,,。,、[1]。,,。。1　1.1　、、;pH7.4,CODcr96.2mg/L,UV2541.020,25。KT-OZ-3G;PHS-3CpH;G10T8UV(10W);。1.2　,45mm,70cm。,,,。1。,,500mL,30L/h,2.70mg/L,20min,pH7.4,UV10W。DOI:10.16581/j.cnki.issn1671-3206.2009.08.0418:O3/UV1　Fig.1　Flowchartofexperiment1.3　1.3.1　CODcr　。1.3.2　UV254　。1.3.3　印染废水色度　。2　2.1　2。2　O3Fig.2　TheeffectofO3　　2,25min,CODcrUV25445.5%59.2%。pH7.47.02。254nm,UV254。UV254CODcr,。,·OH,,O3,,。pH、。2.2　O3/UVO3/UV3。3　O3/UVFig.3　O3/UVremovaleffeciency　　3,25min,CODcrUV25469.0%89.8%。pH7.47.24。23UV254CODcr,,O3/UV。O3/UVpH。,O3/UV·OH,·OH,。2.3　KMnO4K2Cr2O7,CODMnCOD,CODcrCOD。CODcrCODMnCOD。,CODMnCODcr-CODMn,4。4　Fig.4　Organicoxidizationcharacteristic　　4,O3/UV,。O3/UV。,O3/UV,123138,,。,,,。2.4　pHO3O3/UVpH。pH,H2SO4NaOHpH,O3/UV。56。5　pHUV254Fig.6　EffectofinitialpHvalueontheremovalrateofU2546　pHCODcrFig.6　EffectofinitialpHvalueontheremovalrateofCODcr　　56,,UV254CODcrpH:①,pH,,[1];②pH·OH[2],·OH。56,pHO3/UVUV254CODcr。,①pH,HCO-3CO2-3,,·OH,CO2-3HCO-3(CO2-3:k1=4.2×108L/(mol·s),HCO-3:k2=1.5×107L/(mol·s)[3],·OH;②pH,,,O3/UV·OH[4]。2.5　O3/UV,,·HO-2/·O-2,。·OH,kR=3.0×10-3L/(mol·s),·OHkR=5.9×108L/(mol·s)[5],·OH,,。,O3/UV,·OH,7。7　O3/UVFig.7　Effectoft-BAontheO3/UVprocess　　7,,O3/UVCODcrUV254。0.1mL,·OH,,CODcr47.5%,UV25461.8%。20minCODcr41.6%,UV25454.1%,,·OHO3/UV。UV:①UV,;,,UV;②,H2O2[6],·OH,UV·OH。·OH,O3/UVUV。3　(1)pH7.4500mL,33.75mg,UV10W,(1240)1232382.4　、pH　　H+/AIP10%1。1　Table1　InflunceofamountofnitricacidoncharacterofaluminumsolH+∶AIP/pH/×10-3(mp·s)/nm6/×10-3(mp·s)0.0355.694001501-0.045.353401301-0.054.942301121-0.064.741105023900.074.31252061200.083.9820156900.093.791510670　:H2O/AIP120∶1,A　AIP1‰。　　1,pH,0.05,,,,;0.07,,,,6,。3　　　(1):①1∶120,1∶10.07～0.09;②A,,1‰。(2),1.5h,,,,6,3t。:[1]　.[J].,2003,4(6):52-54.[2]　,,.[J].,2003(4):9-10.[3]　,,.[J].,2004,25(4):283-288.[4]　,,.[J].,2007,28(3):155-159.[5]　.[M].:,2005:41-64.(1232)O3/UVUV254CODcr30.6%,23.5%。(2),O3/UV;pH,O3/UV;·OH,UV,O3/UV。:[1]　HoigneJ,BaderH.Rateconstantsofreactionsofozonewithorganicandinorganiccompoundsinwater-Ⅱ,disso-ciatingorganiccompounds[J].WatRes,1983,17:185-194.[2]　HoigneJ.Mechanismsrateandselectivitiesofoxidationoforganiccompoundsinitiatedbyozonationofwater[J].OzoneTechnologyanditsPracticalApplications,1982(1):341-379.[3]　AceroJL,vonGunten.Influenceofcarbonateonadvancedoxidationprocessfordrinkingwatertreatment[A].Pro-ceedingofozonationandAOPsinwatertreatment:appli-cationsandresearch[C].France:Poitiers,1998:131-139.[4]　,,.O3/UV[J].,2007,28(2):342-345.[5]GurolMD,AkataA.Kineticsofozonephotolysisinaqueoussolution[J].AICHEJournal,1996,42:3283-3292.[6]　.[M].2.:,1993:54-55.(1237)　　　Metacyclophanesandrelatedcompounds.23.Preparation　　　offIuorinated[2.2]metacyclophanes[J].Journalof　　　OrganicChemistry,1989,54(8):2012-2015.[5]　JerumanisS,BruylantsA.MethodespectrographiqueDedetectiondesmethylenesactifsEtsyntheseDequelquesderivesstyryliquesEtcyanostilbeniques[J].Bulletindes　　　SocietesChimiquesBelges,French,1960,69:312-322.[6]　PercecV,WonBC,PetercaM,etal.Expandingthestructuraldiversityofself-assemblingdendronsandsupra-moleculardendrimersviacomplexbuildingblocks[J].JournalofAmericanChemicalSociety,2007,129(36):11265-11278.1240