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WATERPURIFICATIONTECHNOLOGYVol.24No.22005 (同济大学环境科学与工程学院,上海 200092) NaClFeSo47H2OCODCr、TPNH3-N,,,。:,CODCr、TP、NH3-N,。 CODCr、TP、NH3-NResearchontheEffectofAdditivesinElectrolyticCatalyticOxidationTechniquefortheRefractoryIndustrialWastewaterTreatmentWangFeng ZhouGongming(SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai 200092,China)Abstract AdditivesasNaClandFeSO47H2OintheindustrialwastewaterofthisexperimentcanobviouslyimprovetheremovalrateoftheCODCr,TPandNH3-N.Inthisexperiment,theparameterofotheraffectingfactorswereoptimizedfirst,thenthemostresearchwasliedontheeffectofthetwoaddi-tivesandoptimizedthedosage.TheresultsshowedtheremovalrateoftheCODCr,TPandNH3-Ncouldbeimprovedafteraddingadditives.Keywords electrolyticcatalyticoxidation industrialwastewater additives CODCrTPNH3-N 、、,。,、,,。1 1.1 ,,、,,。,,1。1 桃浦工业区混合污水主要水质指标pH6.06~6.89CODCr(mg/L)458~498BOD5(mg/L)45~56NH3-N(mg/L)40~50TP(mg/L)13~171.2 ,DF1730SL10A,8mm,170mm×60mm×150mm(××)。(0~40V),。(0~30A),。Ti/RuO2+TiO2,2,15cm×4cm×0.1cm。,3,15cm×4cm×0.05cm。1.3 CODCr:(BOD5):BODpH:PHS—2C::1.4 :、、、pH,,—24—DOI:牨牥牨牭牳牴牥牤jcnkijsjs牪牥牥牭牥牪牥牥牳 Vol.24No.22005 1 NaClFeSO47H2O,,。2 2.1 、、、pH、,,CODCrpH,1∶8,15~25mA/cm2,60min,20mm。2.2 NaClNaCl,NaCl50mg/L、100mg/L、150mg/L、200mg/L、250mg/L、300mg/L、350mg/L、400mg/L,1h,。2:2 NaCl2,NaCl,NaCl300mg/L,60minCODCr120mg/L。NH3-N,30min,,NaClCODCrNH3-N,,NaCl,NaCl,,NaCl。,NaClTP。2.3 FeSO47H2OFeSO47H2O,300mg/L、400mg/L、500mg/L、600mg/L、700mg/L、800mg/L、900mg/L、1000mg/L,1h,。3。3 FeSO47H2O—25—Vol.24No.22005 3,FeSO47H2O,CODCr、TP、NH3-N,,CODCr、NH3-N,TP。,FeSO4,CODCr、NH3-N。FeSO47H2O,,,FeSO47H2O。3.4 NaClFeSO4NaCl(A)FeSO47H2O(B),2。1~16,1h,,4:2 不同的NaCl和FeSO4混合投加量12345678910111213141516A+B(mg/L)250+300250+500250+700250+900300+300300+500300+700300+900350+300350+500350+700350+900400+300400+500400+700400+9004 4,NaCl(A)FeSO47H2O(B),CODCr、TP、NH3-N。NaClCODCr、NH3-N,FeSO4TP,,。3 1.NaCl,,NH3-N,[1]:(1)2Cl--2eCl2Cl2H2OCl2+H2OHClO+HClHClO+OH-H2O+ClO-(2)ClO-12ClO-+6H2O-2e 4HClO3+8HCl+6[O](3)(),,CO2H2O。2.FeSO47H2O,Fe2+Fe3+,Fe(Ⅲ),Fe(Ⅲ),,Fe(Ⅲ)[2]。,Roger[3]IR,,PO3-4-OH,Fe3+。FePO4,Fe3+PO3-4,Fe3+,,。1 ,,[J].,1984(1):16~21.2 ,.FeCl3[J].,1995,14(7):329~3363 RogerLP,RogerJA.Themechanismofphosphatefixationbyironoxides[J].SoilSci.Soc.Amer.Proc.1975,39:837~841 :2004-4-16 :,197710,,2001,:13817374955E-mail:tjwangfeng@so-hu.com—26—
本文标题:电解催化氧化法中添加剂对难降解工业废水处理效果的影响王锋
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