电气浮光催化氧化对微污染原水中腐植酸的去除研究郭迎庆副本

－*1211121．2131642．200092－TiO2。2×10W20V0.4A0.5cmTiO21g/L150minCODMn87.8%。。TiO2STUDYONTHEREMOVALOFHUMICACIDINMICRO-POLLUTEDRAWWATERBYELECTRO-FLOTATION-PHOTOCATALYTICOXIDATIONGuoYingqing12YaoChangji1LeiChunsheng1WangLiping1ZhangYuxian21．CollegeofEnvironmentalandSafetyEngineeringChangzhouUniversityChangzhou213164China2．CollegeofEnvironmentalScienceandEngineeringTongjiUniversityShanghai200092ChinaAbstractAcombinedtechnologyofelectro-flotationandpowderedTiO2photochemicalcatalysiswasusedtotreatmicro-pollutedrawwateratlaboratoryscale．DuringthestaticexperimentofdegradinghumicacidtheratioofCODMnremovalreached87．8%insuchconditionsastwoultravioletgermicidallampsof10Wthevoltageof20Vthecurrentof0.4A0.5cmintervalsoftwogroupsofplatestheTiO2dosageof1g/Landthereactiontimeof150min．Thepreferablesynergisticeffectcanbeachievedwhencombiningelectro-flotationwithphotocatalyticoxidation．Keywordselectro-flotationphotocatalysispowderedTiO2micro-pollutedrawwaterhumicacidHA*2008ZX07421-002“”2006BAJ08B02。NOMSOC。60%～90%500～2000、、。DBPs。。、。n1。TiO22。TiO2。11.11L。3～5V1/4～1/33。23201110295DOI:10.13205/j.hjgc.2011.05.0228W254nmTiO23.8～4.1g/cm3TiO2＞98%。400℃2hXRD。1。11.2。。0.1mol/LNaOH。HClpH2。。HClpH=7.0。1000mg/L4℃。－TiO2。1.2.1、。1.2.2－TiO2TiO2TiO21.0g/L。TiO2。22.12.1.1120V0.2A1cm。2。2CODMn2。O21。2。。2.1.2。。。20.2A3。3CODMn310.51.0cm332011102950.5cm1.5cm。/。。。2。/4。。2.2－TiO212×10W20V0.4A0.5cm。TiO24。4TiO2CODMn4TiO20.30.51g/L150minCODMn80.57%、83.93%、87.85%。。TiO21g/L。0.3g/L86.55%。－·OH5。－。TiO2。。31－TiO22×10W20V0.4A0.5cmTiO21g/L150minCODMn87.8%。2H2、O2。。1．J．200833679-83．2[e-mail]2011－02－1143201110295