Fenton试剂处理抗生素厌氧处理出水的试验研究沈小华1

3007020%～30%[1]。[2]。。“+++”。COD15g·L-120g·L-1。。Fenton[3]。、、、、、、Fenton2[4-5]。Fenton。11.11。1.2200mL250mLpHFeSO4·7H2OH2O230%pH8～910～20minCOD。1.3pHpH-2CODBOD5[6]。22.1pH、[H2O2]:[Fe2+]、FeSO4·7H2O442。、L16(44)3[7]。Fenton450002FentonFeSO4·7H2O3mmol200mLpH3.0[H2O2]:[Fe2+]12:12h。。FeSO4·7H2O3mmol200mL、pH3.0、[H2O2]:[Fe2+]8:1、2hCOD72%BOD5/COD0.45。FentonX787A1000-3770(2010)[e-mail]1Tab.1QualityofrawwaterpHCOD/mg·L-1BOD5/mg·L-1BOD5/COD7.4～7.67.52800～32003000672～7686600.22～0.280.242Tab.2FactorsandlevelsoforthogonalexperimentApHB[H2O2]:[Fe2+]Cn(Fe2+)/mmolD/h123434562:14:18:112:1123430609012036420104TECHNOLOGYOFWATERTREATMENTVol.36No.4Apr.,201079DOI:10.16796/j.cnki.1000-3770.2010.04.0224。4CABDA1B4C4D4FeSO4·7H2O4mmolpH3[H2O2]:[Fe2+]12:12h。2.2。2.2.1FeSO4·7H2OpH3.0、[H2O2]:[Fe2+]12:1、2hFeSO4·7H2OFeSO4·7H2OCOD1。1CODFe2+Fe2+Fe2+[8-9]Fe2++H2O2→Fe3++OH-+·OH1Fe3++H2O2→Fe2++H++·O2H2RH+·OH→R·+H2O3R·+H2O2→ROH+·OH4Fe2++·OH→OH-+Fe3+。5[Fe2+]2·OH。Fe3+COD。Fe2+。FeSO4·7H2O3mmol。2.2.2pHFeSO4·7H2O3mmol、[H2O2]:[Fe2+]12:1、2hpHpHCOD2。H2O2pH2～5pH·OH[9-11]。2pHCODpH3.0COD。pHCOD。pHFe3+Fe(OH)3Fe2O3·nH2O2·OHpH2。pH3.0。2.2.3[H2O2]:[Fe2+]FeSO4·7H2O3mmol、pH3.0、2h[H2O2]:[Fe2+][H2O2]:[Fe2+]COD3。3[H2O2]:[Fe2+]4:124:1COD。[H2O2]:[Fe2+]H2O21·OHCOD。3Tab.3ResultsoforthogonalexperimentABCD/%12345678910111213141516111122223333444412341234123412341234214334124321123434124321214319.2642.3653.2471.6219.3115.9353.4867.6319.5636.551.4020.7721.8619.4815.8813.074Tab.4RangeanalysisoforthogonalexperimentABCDK1jK2jK3jK4jRj46.6239.0919.5717.5729.0520.0028.5831.0043.2723.2712.4219.0439.9845.8833.4628.2532.7230.5441.0012.751FeSO4·7H2OCODFig.1InfluenceofFeSO4·7H2Odosageontreatmenteffect012345678020406080100COD
/%

 2pHCODFig.2InfluenceofpHontreatmenteffect12345020406080100COD
/%pH36480H2O2[H2O2]:[Fe2+]8:1。2.2.4FeSO4·7H2O3mmol、pH3.0、[H2O2]:[Fe2+]8:1COD4。4Fenton0.5hCOD69.6%COD2hCOD。2h。3FeSO4·7H2OpH[H2O2]:[Fe2+]。FentonFeSO4·7H2O3mmol200mLpH3.0[H2O2]:[Fe2+]8:12h。COD72%BOD5/COD0.45。[1],,.[J].,2002,35(2):44-48.[2],,,.[J].,1997,18(3):83-85.[3],,,.Fenton[J].,2001(3):24-25.[4],./Fenton[J].2008(5):608-610.[5],,.[J].,2005,31(7):55-57.[6]《》.[M].4.:,2002.[7].Fenton[D].:,2005:20-31.[8],,.[M].:,2002:331-334.[9],.Fenton[J].,2005,31(4):56-59.[10],,,.pH-Fenton[J].,2005,25(4):291-294.[11],,,.Fenton[J].,2008,34(11):187-189.3[H2O2]:[Fe2+]CODFig.3Influenceofratioofhydrogenperoxidetoferrousontreatmenteffectt020406080100
HO:
FeCOD
/%4:16:18:112:116:120:124:1EXPERIMENTALSTUDYONTREATMENTOFANAEROBICEFFLUENTFROMANTIBIOTICSPRODUCTIONWASTEWATERBYFENTONShenXiaohua,MaiWenning,SuTao(SchoolofWaterConservancyandEnvironmentEngineering,ZhengzhouUniversity,Zhengzhou450002,ChinaAbstract:Fentonwasusedtotreatanaerobiceffluentfromantibioticsproductionwastewater.Throughorthogonalexperiment,theoptimallevelcombinationoffactorsweredeterminedasfollows:thedosageofferrousbeing3mmol,influentpHof3.0,ratioofhydrogenperoxidetoferrousbeing12:1andreactiontimeof2h.Inthebasisoforthogonalexperiment,thebestoperatingconditionsofsystemweredeterminedbysingle-factoranalysis.Whenthedosageofferrousis3mmol,influentpHis3.0,ratioofhydrogenperoxidetoferrousis8:1andreactiontimeis2h,theremovalratesofCODreach72%andBOD5/CODofeffluentis0.45.Keywords:fenton;antibiotics;orthogonalexperiment4CODFig.4Influenceofreactiontimeontreatmenteffect0.00.51.01.52.02.53.020406080100COD
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