光催化氧化处理半合成抗生素制药废水试验研究左红影

2006933161·39·510180[]ABRCODcrpH823mg/L7.23200L/h70L/h90minCODcr93.1%CODcr56.8mg/L[]ATestStudyofTreatingHalf-syntheticAntibioticPharmacyWastewaterbyPhotoCatalyticOxidationZuoHongying(GuangzhouHuanfaEnvironmentalProtectionEngineeringCO.,Ltd,Guangzhou510180,China)Abstract:Thehalf-syntheticantibioticpharmacywastewaterpretreatedwithABRhadtreatedwithhome-madephotocatalyticoxidationapparatus.TheresultsshowedthattheeffluentCODcraimedatinfluentCODcr=823mg/L,pH=7.23wasreducedto56.8mg/L,CODcrremovalratereached93.1%,whenthevelocitiesofwastewaterflowandairflowwere200L/h,70L/h,respectively,andwhenphoto-decomposedtimewas90min.Keywordsphotocatalyticoxidationhalf-syntheticantibioticpharmacywastewater[1-4][5]ABR11.1C7C4[6]7--3-()ABRpH=7.23CODcr=823mg/L1.21.2.1TiO22143h[]2006-08-01[]1965-20069·40·(80)4002hTiO2TiO23.67mg/cm2X1.2.211.8L30W(253nm)TiO21.2.35LABR3h22.1≥TiO2(3.2eV)TiO2(e-)(h+)TiO2h+e-·OH·O2-[7,8]TiO2+hν→h++e-h++H2O→·OH+H+e-+O2→·O2-+H+→HO2·2HO2·→O2+H2O2H2O2+·O2→·OH+OH-+O2·OH·O2-·OHψ*=2.80VCO2H2O2.2CODcr180minCODcr2350L/hCODcr200L/hCODcr200L/hCODcr200L/hCODcr70L/h70L/hCODcr2.3CODcrCODcrTiO2(200L/h70L/h)44TiO2CODcr0~90minCODcr90minCODcr93.1%CODcr56.8mg/LCODcrCODcrCODcr90minCODcr17.2%CODcr(93.1%)TiO22006933161·41·3ABR200L/h70L/hCODcr200L/h70L/h90minCODcr823mg/L56.8mg/LCODcr93.1%CODcr[1][J]200235(2)44-48[2][J]199813(1)35-36[3][J]()200329(5)556-562[4][J]200318(3)4-634[5][J]199718(5)83-85[6][M]:395-412[7][J]19964(3)1-8[8]TiO2[J]200117(10)9-1117430.0450500550600650.00.0102030405060708090100110120130140150160170180.0nm3-N--N---SiO2-N--SiO2[1]-[J]200220(6)650-651[2]Eu[J]200527(9)10-13[3]-[J]199819(2)49-53[4]XuZhidongWangMinFengDianhongSynthesisandfluorescencepropertiesofternaryrareearthcomplexeswith3-pyridinecarboxylicacidandphenanthroline[J]ChineseJournalofAppliedChemistry199916(2):18-22CODCrCODCr/(L·h-1)/(L·h-1)/hCODcr/%CODcr/%CODcr/%