电芬顿处理船舶含油废水的动力学影响因素研究

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,,,,(,116026):,,pH:,:[]={-kt+[]-10}-1pH3k,,3,pH,,:;;:X703:A:1005-8443(2007)05-0357-05:2007-06-14;:2007-07-11:(1983-),,,,Biography:DONGHong(1983-),female,candidateformaster.,,,,(IMO)(AOPs),,[1],,1:,,4[2],,,,,,,1:(10cm8cm),015cm,(10cm8cm),20L:=224nm:1Tab11WaterqualityofexperimentpH(mg/L)CODcr(mg/L)(s)7168151813526138764966491150182211dQ=kQndt,nOrigin715,;n=2,R2=019869,=Qd[Q]=k[Q]2dt(1)285Vol.28No.5200710JournalofWaterwayandHarborOct.2007转载中国科技论文在线(1)[Q]={-kt+[Q]-10}-1(2):[Q]022[Q]0=2289mg/L,pH=35,(1),,5min,H2O2,0,[3],,S,,H2O2,;H2O2,;,,1,15min,(2)k15min,21Fig1Degradationcurveofoilwithdifferentcurrentdensity2-lgkFig2Variationfitcurveof-lgkvaluewithdifferentcurrentdensity2,k,k,,OHClO-[4],,23pH[Q]0=2239mg/L,25mA/cm2,pH,pH,3(2)-lgkpH43pHFig3DegradationcurveofoilwithdifferentpHvalue4-lgkpHFig4Variationfitcurveof-lgkvaluewithdifferentpHvalue853285中国科技论文在线[5],;pH,H2O2,,,[6]24=25mA/cm2,pH=35,5(2)k65Fig5Degradationcurveofoilwithdifferentconcentration6-lgkFig.6Variationfitcurveof-lgkvaluewithdifferentinitialoilconcentration56,,k,30min,,;90min,[7]3K,pH3,-lgk3-lgk-lgk=af1(x1)bf2(x2)cf3(x3)d(6)f1(x1)=35255-016129x1+00108x21-254262E-4x31(7)f2(x2)=893007-633636x2+212223x22-029556x32+001475x42(8)f3(x3)=187906-0049158x3+000298x23(9):x1(mA/cm2);x2pH;x3(mg/L);a,b,c,d1st0pt,(6),221st0ptTab.2Parametervaluesfittedby1st0ptsoftabcdR20187670925011114099160987692,R209877,(6)k2b,c,dpH,,4k,-lgk=018767(35255-016129x1+00108x21-254262E-4x31)09250953200710,中国科技论文在线(893007-633636x2+212223x22-029556x32+001475x42)111114(187906-004958x3+000298x23)019916(10):x1(mA/cm2);x2pH;x3(mg/L)79(2)(10)-lgk,k,=25mA/cm2,kpH7,pH=3,,,,1824mg/L,k,,pH8,pH=3,-lgk,,,1525mA/cm2,k,8,9,2239mg/L,-lgkpH,,k,9,10mA/cm2,pH,k8kpHFig.8VariationcurveofkvalueswithpHandinitialoilconcentrationvalues9kFig.9Variationcurveofkvalueswithcurrentdensityandinitialoilconcentrationvalues10kpHFig.10VariationcurveofkvaluewithpHandcurrentdenstiyvalues063285中国科技论文在线(mg/L)(mA/cm2)pH(mg/L)(min)(mg/L)(mg/L)120170153151201136951182212221392041202119301186083221392551203101353152246(1),,:[]={2kt+[]-10}-1(2)pH:;pH=3;(3)kpH,:[1]AplinR,WaiteTDComparisonofthreeadvanceoxidationprocessesfordegradationoftextiledyes[J]WaterScienceandTechnology,2000,42:345-354.[2],[J],2004,24(3):40-43[3]LiuH,LiXZ,LengYJ,etal.Kineticmodelingofelectro-Fentonreactioninaqueoussolution[J]WaterRes,II41:1161-1167[4],[J],2002,25(2):17-21[5]KinKT,TangHS,ChanSF,etalTreatmentofChemical-MechanicalPlanarizationWastesbyElectrocoagulation/Electro-FentonMethod[J]Transactionsonsemiconductormanufacturing,2006,19(2):208-215[6],,H2O2[J],2006,26(9):1504-1510[7],,,Fenton[J],2006,27(8):1591-1595EffectivefactorsofkineticofElectro-FentontreatmentofoilwastewaterfromshipDONGHong,ZHANGJin,SHAOMi-hua,WANGXiao-fang,ZHUANGHong-chang(CollegeofEnvironmentalScienceandEngineer,DalianMaritimeUniversity,Dalian116026,China)Abstract:Two-ElectrodeswereusedinElectro-Fentontreatmentonshipoilwastewater,andthekineticrateformulawasbuiltup,atthesametime,theeffectivefactorslikecurrentdensity,pH,andinitialoilconcentrationwereanalyzedTheresultindicatedthatthedegradationreactionwasconfirmedtothesecond-orderkinetic,theformulais[effluentoilconcentration]={-kt+[initialoilconcentration]-10}-1Thekineticmodelbasedonexperimentsaboutthedegradationrateofkvaluewasbuiltup,inwhichthecurrentdensity,pHandinitialoilconcentrationwereeffectivefactorsComparedwiththethreeeffectivefactorsbasedonrelatedpolynomialfitwithstatisticalanalysis,itisshowedthatthemostimportanteffectivefactorispH,thesecondisinitialoilconcentration,andthelastiscurrentdensityKeywords:Electro-Fenton;shipoilwastewater;kineticmodel163200710,中国科技论文在线

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