电催化氧化法降解水中玫瑰精B的试验研究牟兴琼

。、、。[1-2]。。[3]。DSA、、、DSA[4-7]。B。Ti/SnO2Cu、Fe、Co、NiTi/SnO2B。11.1、、、、、、B。。0.5g·L-1COD450mg·L-118.0℃。HY3003F-2PHS-3DUV-7595B-6CCOD。1.2DSA[8-9]30mm×50mm×1mm40.0%NaOH95℃1h。llHC190℃1h。。。SnCl4·5H2OHC1。B310018Ti/SnO2DSACu、Fe、Co、NiDSAB。DSA。pH=76V0.085mol·L-1Na2SO4FeTi/SnO20.5g·L-1BCOD92%99%。BDSATQ031.7X791A1000-3770(2011)[e-mail][e-mail]37820118TECHNOLOGYOFWATERTREATMENTVol.37No.8Aug.,2011109DOI:10.16796/j.cnki.1000-3770.2011.08.026110℃5550℃。5Ti/SnO2。1.3[10]Cu(NO)2、Fe(NO)3、Co(NO)2、Ni(NO)2100mL70℃6h390℃2h110℃1h124μm。1.4Ti/SnO2Ti/TiO2541cmDSA。。300r·min-1400mL0.5g·L-1B。5B-6CCODCODUV-759CODηR。η%=(COD0-CODt)/COD0×100%COD0CODCODttCOD。R%=(A0-At)/A0×100%A0BAtt。22.1pHCOD6V0.085mol·L-1COD450mg·L-1H2SO4NaOHpHpH3.0、5.0、7.0、9.0、11.060minpH1。1BpH31160minCOD56%～64%。pHCOD63.8%。Ti/Sn。2.2COD。。1cmpH7.06.0V5B0、0.029、0.048、0.073、0.085mol·L-10.05、1.5、2.0、2.5、3.0A。60minCOD2。2BCOD。。、。COD、。3ACOD42.6%3A。/A1.52.02.53.021.023.530.732.320.021.022.023.027.432.636.442.621.522.524.025.0COD/%/℃COD/%30min/℃20min2CODTab.2CODremovalefficiencyandwatertemperatureofthetwo-dimensionalelectrodessystemunderdifferenttankcurrents1pHCODTab.1CODandcolorremovalefficienciesofthetwo-dimensionalelectrodessystemunderdifferentpHpH3.05.07.09.011.0COD/%/%56.759.163.861.859.586.685.884.283.080.730.030.532.025.524.0/℃3781102.3COD6V3A1.0cmB400mL。30、60、90、120、150、180min。CODCOD1。10～90minCOD90minCOD85.0%96.4%COD90minCOD。2.4COD4Cu(NO)2、Fe(NO)3、Co(NO)2、Ni(NO)2DSAB3。6.0V、3.0A、1.0cm、60min。3。。5gFe(NO)3COD92.1%99.6%。COD。3Ti/SnO2。Ti/SnO2Ti/TiO2B。Ti/SnO2Ti/TiO2pH。。。Ti/SnO2、Ti/TiO2、Fe(NO)3B60minCOD92%99%。[1]RajeshwarK,IbanezJG,SwainGM.ElectrochemistryandEnvironment[J].ApplElectrochem.,1994,24:1077-1091.[2]LinSH,etal.Electrochemicalremovalofnitriteandammoniaforaquaculture[J].WaterResearch,1996,30:715-721.[3],,.[J].,2001,21(1):11-15.[4].[J].,2004,24:43-46.[5],.[J].,2003,2:27-30.[6],,,.[J].,2002,8(3):327-332.[7]XiongYa,StrunkPJ,XiaHongyun,etal.Treatmentofdyewastewatercontainingacidorange()usingacellwiththree-dimensionalelectrode[J].WaterResearch,2001,5:4226-4230.[8]ChenA,NigroS.InfluenceofananascalegoldthinlayeronTi/SnO2-Sb2O5electrodes[J].JPhysicalChem.,2003,107:13341-13348.[9]YongH,CuiYH,FengYJ,etal.PreparationandinvestigationofTi-basedSnO2electrodewithaninterlayercontainingCoelement[J].MaterSciTechnol.,2004,12:230-233.[10],,,.-[J].,1996,10:299-319.Cu-Fe-Co-Ni-COD/%56.787.692.185.388.986.697.799.698.299.4/%3CODTab.3CODandcolorremovalefficienciesofthethree-dimensionalelectrodessystemscontainingdifferentparticleelectrodes1CODFig.1ChangesoftheCODandcolorremovalefficienciesofthetwo-dimensionalelectrodessystemwiththereactiontime2040608010012014016018020030405060708090100
%min116B111STUDYONTREATINGMALODOROUSBLACKWATERBYMULTI-FUCTIONALECO-BIOFILMWITHARTIFICIALAQUATICMATTongMin,LiZhen,HuangMinsheng,XuHuan,XuYurong（SchoolofResourceandEnvironmentalSciences,EastChinaNormalUniversity,Shanghai200062,China）Abstract:Akindofmulti-functionaleco-biofilmwasinitiatedtotreatmalodorousblackwaterinshanghaiurbanarea.Theeco-biofilmconsistedofRhodobactersphaeroides,BacillussubtilisandThiobacillusthiooxidans,whichwereattachedtoanartificialaquaticmat.TheresultshowedthattheaveragedremovalefficienciesofCOD,BOD5,NH3-NandTPwere64.1%,67.2%,96.0%,32.1%,respectively.Importantly,Fe2+andsulfidecouldberemovedcompletely.ThecorrespondingremovalefficienciesofCODandNH3-Nwere80.61%,46.34%,44.54%and98.83%,44.06%,24.94%withHRTof60.7h,44.3hand18.8h,indicatingthattheremovalefficienciesofCODandNH3-NweredecreasedwiththereducingofHRT.Additionally,theoptimalHRTwas44.3hintermsoftheTPremoval,whiletherewasnomarkedeffectofHRTontheremovalofFe2+andsulfide.Keywords：multi-fuctionaleco-biofilm;artificialaquaticmat;malodorousblackwater;Rhodobactersphaeroides;Bacillussubtilis;Thiobacillusthiooxidans[1],,,.[J].,2009,4(35):13-17.[2],,,.[J].,2010,3(23):350-354.[3],,.[J].,2007,15(3):198-203.[4]WatanabeK.Microorganismsrelevanttobioremediation[J].CurrentOpinioninBiotechnology,2001,12(4):237-241.[5]BoopathyR.Factorslimitingbioremediationtechnologies[J].BioresourceTechnology,2000,74(1):63-67.[6],,.[J].,2005,2(19):24-26.[7]《》.[M].4.:,2002.[8]GamdioJM.Influenceofdissolvedoxygenconcentrationonnitriteaccumulationinabiofilmairliftsuspensionreactor[J].BiotechandBioeng.,1997,27(53):168-173.[9]NagadomiH,TakahasiT,SasakiK,etal.Simultaneousremovalofchemicaloxygendemandandnitrateinaerobictreatmentofsewagewastewaterusinganimmobilizedphotosyntheticbacteriumofporousceramicplates[J].WorldJournalofMicrobiologyandBiotechnology,2000,16(1):57-62.[10],,,.[J].,2008,36(27):11623-11624,11627.[11],,.[J].,2005,1(25):11-15.[12],,,.[J].,2004,34(5):12-14.[13],,,.[J].,2009,24(4):218-221.[14],,.[J].,2007,4(13):32-35.[15]AriasCA,BubbaMDel,BrixH.Phosphorusremovalbysandsuseasmediainsubsurfaceflowconstructedreedbeds[J].WaterSciTechnol.,2001,35(5):1159-1168.[16],,.[J].,1995,6(16):7-12.378!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!111EXPERIMENTALSTUDYONTHEDEGRADATIONOFRHODAMINEBINWASTEWATERBYELECTROCHEMIC