臭氧氧化酸性玫瑰红染料模拟废水及动力学特性分析田兆龙

[1]++[2]。。[3]。、、[4]。pH。11.1。[5]pH、COD[6]。560nm。560nm。COD、、pH。1.221。Φ500mm×600mm2mg·L-15～25L·min-11Fig.1Schemeofozonationgenerator
 510640。。2.72mg·L-1·min-1pH7100mg·L-140min97%COD53.3%0～10min10～20min20～30min31。pH。X703.1X788A1000-3770(2011)11-0066-0032011-04-08:[e-mail][e-mail]3711201111TECHNOLOGYOFWATERTREATMENTVol.37No.11Nov.,201166DOI:10.16796/j.cnki.1000-3770.2011.11.016Φ115mm×1400mmΦ500mm×600mm。22.1100mg·L-12.72mg·L-1·min-15LpH7。40minCOD2。226min97%COD40min53.3%。。[7]。[8]COD。2.2[9-10]-dρdt=k[O3]·ρρ[O3]tkt。ln(ρtρ0)=-k[O3]·tρ0ρttk[O3]t。560nmln(At/A0)3。30mg·L-130min1.176mg·L-1·min-1pH7。333k1。0～10min0.017。。10～20mink0.033L·mg-1·min-110min。。20～30mink[11]。2.33.808mg·L-1·min-1pH730mink4。。3Fig.3Kineticcurveofozonationreactionofacidrosecontainingwater051015202530350.0-0.2-0.4-0.6-0.8-1.0-1.2-1.4ln
A/A min2CODFig.2TheremovalrateofCOD,colorofacidrosevs.reactiontime051015202530354045020406080100
%min/min0～1010～2020～30y=-0.020x+0.013R2=0.980y=-0.039x+0.207R2=0.983y=-0.070x+0.826R2=0.999k/L·mg-1·min-10.0170.0330.0771kTab.1Linecurveandreactionrateconstantindifferentrangesofozonationreaction4Fig.4Reactionrateconstantvs.dyeconcentration0501001502002503000.000.020.040.060.080.100.120.14k
Lmgmin

mgL67[12]。。k。k。200～300mg·L-1。2.4pHpH2.0、4.0、7.0、10.0、13.03.808mg·L-1·min-1pH5。5kpHk。2[13-14]。Koch[15]pHk。。ChuW[16]、。。。－NH2pH。pH[17]。3100mg·L-12.72mg·L-1·min-140min97%COD53.3%。0～10min、10～20min、20～30min1。200～300mg·L-1。。[1],,,.[J].,1994,14(4):200-204.[2],,,.O3Fenton[J].,2006,43(1):34-37.[3],,,.B[J].:,2009,25(2):320-324.[4],,.-[J].,2008,27(5):40-43.[5],.[M].1.:,2003:126.[6]《》.[M].4.:,2002:216-219.[7]ZingU,AndrewHong,WavrekDavid.Chemicalboilogicaltreatmentofpyrene[J].WaterResearch,2000,34(4):1157-1172.[8]Jen-MaoFanchiang,Dyi-HwaTseng.DegradationofanthraquinonedyeCIreactiveblue19inaqueoussolutionbyo-zonation[J].Chemosphere,2009,77:214-221.[9]QiaoL,GoenHo.Theeffectofclayamendmentonspeciationofheavymetalsinsewagesludge[J].WaterSciTechno.,1996,34(7-8):413-420.[10]HsiauPC,LoSh.Characteristicsoffouralkalinebiosolidsproducedfromsewagesludge[J].Resources,ConservationandRecycling,1997,21(3):185-197.[11],,,,[J].,2007,21(5):298-303.[12]SeleneMariadeArrudaGuelliUlsondeSouza,Kar-inAngelaSantosBonilla,AntonioAugustoUlsondeSouza.RemovalofCODandcolorfromhydrolyzedtextileazodyebycombinedozonationandbiologicaltreatment[J].JournalofHazardousMaterials,2010,79:35-42.[13]JStaehelin,JHoigne.Decompositionofozoneinwaterinpresenceoforganicsolutesactingaspromotorsandinhibitorsofradicalchainreactions[J].EnvironSciTech.,1985(19):120-126.[14]HTomiyasu,HFukutomi,GGordon.Kineticsandmechnismofozonedecompositioninbasicaqueoussolution[J].In-orgChem.,1985(24):2962-2966.[15]KochM.Ozonationofhydrolyzedazodyereactiveyellow84(CI)[J].Chemosphere,2002,46:109-113.[16]ChuW,MaCM.ReactionkineticsofUV-decolorizationfordyematerials[J].Chemosphere,1998,37:961-974.[17]ZollingerH.Azoanddiazochemistry[J].AliphaticandAromaticCompounds,1961:36-42.5pHFig.5EffectofpHonozonationreaction024681012140.000.020.040.060.08k
LmgminpH37117268STUDYONTHEREMOVALOFSURFACTANTSODIUMDODECYLBENZENESULFONATEBYCHARGEDMEMBRANEZhangJiexin,WeiJunfu,ZhangHuan(SchoolofMaterialScienceandChemicalEngineering,TianjinPolytechnicUniversity;KeyLaboratoryofHollowFiberMembraneMaterialandMembraneProcessofMinistryofEducation,TianjinPolytechnicUniversity,Tianjin300160,China)Abstract:Surfactantsodiumdodecylbenzenesulfonatesolutionwasretainedbytheplasmamodifiedpolysulfonechargedmembrane.Therejectiontestswereatdifferentfactorsincludingsolutionconcentration,operatingpressure(0.15~0.35MPa),ionicstrength(concentrationofNaCl100~300mg·L-1)andpH(2~12).TheretentionrateandfluxofSDBSsolutionretainedbychargedmembranewereobserved.Themechanismofretentionwasanalyzed.Experimentalresultsrevealedthatelectrostaticrepulsionwasthemainforceintheprocess.Andsizeexclusionalsoexisted.Solutionspossessinglowconcentrationshowedbetterrejectioneffectthanthosehavinghighconcentration.Wheninitialfeedconcentrationwas40mg·L-1,theretentionratecouldreach85.68%.Electrostaticrepulsionplayedanimportantroleatlowionicstrength.Theretentionrateatlowionicstrengthwashigherthanthoseathighionicstrength.Theretentionrateincreasedastheoperatingpressurepresentedhigh.AndtherejectionperformedwellwhenpHwasclosetoneutral.Keywords:chargedmembrane;sodiumdodecylbenzenesulfonate;electrostaticrepulsion;rejection40mg·L-185.7%SDBSpH。[1],.[J].,2008,28(2):9-12.[2].[J].,2007(4):25-29.[3]TakadaH,IshiwatariR,OguraN.Distributionoflinearalkylbenzenes(LABs)andlinearalkylbenzenesulphanate(LAS)intheTokyoBaysediments[J].Esturaine,CoastalandShelfSci.,1992,35(3):141-156.[4],,,.[J].,2004,20(11):80-82.[5]MakitH,OkamuraHAoyama,Halogenationandtoxicityofthebiodegradtionproductsofanonionicsurfactant,nonylphenolethoxylate[J].EnvironTaxicolChem.,1998,17(4):650-654.[6]WakabayashiA,KiikuchiM,LnoueW.Bioaccumulationprofileofsodiumlinearalkylbenzenesulfonateandsodiumalkylsulfonateincarp[