搜索
28420097ENVIRONMENTALCHEMISTRYVol.28,No.4July2009200882.3(06201235)(200809024).33,E2mail:liuyan@fudan1edu1cnFenton333(,,200433)Fenton1,H2O2pHH2O2/Fe2+()1H2O2,:H2O2pHH2O2/Fe2+1:H2O201088moll-1,pH315,4h,H2O2/Fe2+2011,Fenton,;10%,1,76mgl-1,1110mgl-1,2192mgl-101002mgl-1,(GB891822002)B.Fenton,,,,.,,,.,,(GB891822002)(),,1FentonH2O2Fe2+OH,,,1Fenton,,.1,,COD,LASpH387mgl-1,104mgl-17,719106l-1,ATP6199105RLUml-1,52%.1500ml()1000ml,H2SO4NaOHpH,30%H2O2,FeSO4,Fenton1,,,,1CODLAS(NH+42N)(TN)(TP)[1,2]1FentonH2O2,COD[3],[4],H2O2,CODCOD[3]1pHpHS22CpH(),ATPATP(NeogensAccuPointATPSanitationMonitoringSystem2NeogenCor2poration,USA)1T3(A)[1]1488282211FentonH2O2H2O2/Fe2+()pH1H2O201035,01088,01441,01882moll-1,H2O2/Fe2+215,15,20,25,pH215,315,515,7,2,3,315,4h,Fenton1,4H2O2,,RCOD()81910151pHH2O2/Fe2+1.212H2O2pH315,H2O2/Fe2+101,H2O2(0103501882moll-1),5h,4h5h,COD,1101088moll-1,CODH2O2,FentonH2O2Fe2+OH,H2O2Fenton[5]1H2O201088moll-1,COD,FentonH2O2,H2O2,H2O2OH,[6].,4h,H2O201035moll-101088moll-1,COD35%70%;H2O201882moll-1,COD7%1,H2O2,01088moll-1H2O2,COD120mgl-1,(100mgl-1)11H2O2Fig11EffectofH2O2dosageontheorganicpollutantsremoval213pHH2O201088moll-1,H2O2/Fe2+101,pHCOD,212,pH215315,COD,pH,pHFenton215315.Fenton[6],,Fe2+,,COD1,pH,H+,Fe3+Fe2+[7],,Fenton1,pH315,COD70%.4:Fenton4892pHFig12EffectofpHonorganicremovalefficiency2142,COD,314,,24h,COD,4hCOD1Fenton[8],Fenton[9][10],015h,1Fenton.,Fenton,H2O2pH1,(4h)1215H2O2/Fe2+CODpH315,H2O201088moll-1,H2O2/Fe2+()101251,4h,,414,24h,CODH2O2/Fe2+1H2O2/Fe2+201,COD,H2O2/Fe2+,Fe2+,COD1Fe2+H2O2,H2O2,[6]:Fe2++H2O2Fe3++OH-+OH,201H2O2/Fe2+.3H2O2Fig13ThevarietyofCODremovalefficiencywithtimeundervariouspHvalues4H2O2/Fe2+Fig14EffectofH2O2/Fe2+ratioonCODremovalefficiency49028,Fenton:H2O201088moll-1;pH315;4h;H2O2/Fe2+201.216,(COD),(ATP)(LAS),()1,Fenton1.1FentonTable1ResultsoftreatmentbyFentonoxidationundertheoptimalreactingconditionsCOD/mgl-1LAS/mgl-1/l-1ATP/RLUml-1/%334412,3871047191066199105522376,43313310ATP,Fenton,ATP719106l-16199105RLUml-1,1,52%10%,,.,,COD387mgl-143mgl-1,(GB891822002)B.FentonLAS,96%,LAS,3133mgl-1LAS,,.,FentonNH+42N,TN,TP,,1110mgl-1,2192mgl-101002mgl-1,A.3Fenton,,H2O2,:H2O2pHH2O2/Fe2+.H2O201088moll-1,pH315,4h,H2O2/Fe2+201.,ATP,;10%,.COD76mgl-1,43mgl-1,B;NH+42N,TN,TP1110mgl-1,2192mgl-101002mgl-1,A;LAS96%,3133mgl-1,.[1],.[M].:,2002[2],,,.15[M].:,1985[3],,,FentonHPAMCOD[J],,2006,35(4)316318[4],,,FentonCOD[J]1,2001,17(2)2728[5],,FeH2O2[J]1,2006,22(11)7379[6],,,Fenton[J]1,2000,21(5)9396[7],,,Fenton[J]1,2007,32(8)104105[8],,,Fenton[J]1,2006,37(6)2326[9],,,Fenton/[J]1,2006,27(11)22014:Fenton4912205[10],,,Fenton[J]1,2007,38(3)3639TREATMENTOFBIO2POLLUTEDWASTEWATERBYFENTONOXIDATIONGUOSiLIUYanYANGNan2zhenZHANGYunANDongLINWen2shiWANGMing2ming(DepartmentofEnvironmentalScienceandEngineering,FudanUniversity,Shanghai,200433,China)ABSTRACTFentonreagentwasusedforthefurthertreatmenttotheeffluentofbio2pollutedwastewaterwhichhadbeenpretreatedbycoagulationandsedimentationtosolvethebiologicalpollutionproblemresultedfromtherapidde2velopmentofmodernbiotechnology1Accordingtotheorthogonalexperimentandsinglefactorexperiments,theeffectsoffourfactorswithfourlevels:dosageofH2O2,pHvalue,reactiontimeandthemoleratioofH2O2overFe2+(H2O2/Fe2+)ontheorganicpollutantsremovalofbio2pollutedwastewaterwereinvestigatedandoptimumoperationconditionswereproposed1TheresultsshowedthatthedosageofH2O2hadagreatereffectontheorganicpollutantsremovalcomparedtootherthreefactors1TheeffectabilityrankedthedosageofH2O2pHreactiontimeH2O2/Fe2+1Theoptimumoperationconditionswere01088moll-1ofH2O2,pH315,4hofreactiontime,201ofH2O2/Fe2+1AfterthewastewaterwastreatedbyFentonreagentundertheoptimumoperationconditions,thetotalnumberofbacteriumandadenosine2triphosphate(ATP)ineffluentcouldnotbedetectedandrelativeinhibitionlightratiowasonly10%1Thebiologicalsafetyincludinghygienicsandenvironmentoftheeffluentwasensured1Inaddition,CODineffluentwaslessthan76mgl-1aswellastheaverageofammonianitrogen,totalnitrogen,andtotalphosphoruswere1110mgl-1,2192mgl-1,and01002mgl-1respectively1TheeffluentqualitymettherequirementofTheFirstGradeBofDischargeStandardsforMunicipalWastewaterTreatmentPlant.Keywords:Fentonreagent,biologicalpollution,wastewater,bacteria,biologicalsafety.