Fenton试剂氧化法处理焦化废水SBR出水的研究武建军

SCI-TECHINFORMATIONDEVELOPMENT＆ECONOMY20091935、、、、、、、、1－2。A/O、A/A/O3－4SBR5－7。。。Fenton、、、、8－9Fenton10－11。FentonH2O2＋Fe2＋H2O2Fe2＋·OH12、13。Fenton、14。FentonSBR、pH。11.1pHSBRCODCr481.152mg/L。1.21H2O2CODCr。300mL500mLpH30.1mL、0.2mL、0.3mL、0.4mL、0.5mL、0.7mLH2O20.1gFeSO4·7H2O120r/min30min4hCODCrH2O2CODCr。2FeSO4·7H2OCODCr。300mL500mLpH30.5mLH2O20.03g、0.05g、0.1g、0.2g、0.3g、0.4g、0.5g、1.0g、1.5gFeSO4·7H2O120r/min30min4hCODCrFeSO4·7H2OCODCr。3pHCODCr。300mL500mLpH2.5、3.0、3.5、4.0、4.5、5.0、5.5、6.0、6.5、7.00.5mLH2O20.5gFeSO4·7H2O120r/min30min4hCODCrpHCODCr。4CODCr。300mL500mLpH6.50.5mLH2O20.5gFeSO4·7H2O120r/min30min2h、3h、4h、5h、6h、7h、8h、9h、10h、11hCODCrCODCr。1.3CODCr15。22.1H2O2CODCrFentonH2O2Fe2＋·OHFenton16。H2O2CODCr1。1005－6033200935－0110-032009－10－12FentonSBR*1221.0330002.030006FentonSBR、pH。H2O21.67mL/LFeSO4·7H2O1.67g/LpH6.54hFentonCODCr481.152mg/L246.758mg/L48.72％。FentonX703A440420400380360340320353025201510CODCr/mg/L/%0.00.20.40.60.8H2O2/mLCODCrCODCr1H2O2CODCr────────────────*No.051191。1101CODCrH2O20.5mL/300mL1.67mL/LCODCr481.152mg/L333.439mg/L30.70％。CODCr。CODCrYH2O2XY＝26.602＋5.127X11H2O2CODCr。0.5mL/300mLCODCr。H2O2H2O2·OHCODCr。23Fe2＋＋H2O2→Fe3＋＋·OH＋OH-2·OH＋Fe2＋→Fe3＋＋OH-3H2O2Fe2＋Fe3＋Fe3＋·OHH2O217CODCr。42·OH＋H2O2→2H2O＋O24H2O2O2。18FentonH2O21800mg/L。19FentonH2O2450mg/L。20FentonH2O2158mmol/L。H2O2。2.2FeSO4·7H2OCODCrH2O2Fe2＋Fe3＋、、、Fe2＋/TiO2、Cu2＋、Mn2＋、Ag＋、H2O216。FeSO4·7H2OH2O2。FeSO4·7H2OCODCr2。2FeSO4·7H2OCODCrFeSO4·7H2O0.5g/300mL1.67g/LCODCr481.152mg/L269.638mg/L43.96％。CODCr。CODCrYFeSO4·7H2OXY＝18.873＋20.768X55FeSO4·7H2OCODCr。FeSO4·7H2O0.5gCODCr。Fe2＋2·OH。H2O2·OH、·OH2·OH→H2O2H2O2。Fe2＋FeSO4·7H2O1.67g/L。2.3pHCODCrpHFentonpH。pHCODCr3。3pH6.5CODCr481.152mg/L249.696mg/L48.10％。CODCrYpHXY＝14.293＋4.946X66pHCODCr。pHCODCr。pHFentonpH·OH13。FentonpHH＋Fe3＋＋H2O2→Fe2＋＋HO2·＋H＋7Fe3＋＋HO2·→Fe2＋＋H＋＋O28Fe3＋Fe2＋Fenton17。pHFe2＋Fe3＋pH。SBRpH6.5Fenton。2.4CODCr。。CODCr4。44h。CODCr481.152mg/L246.758mg/LCODCr48.72％。CODCrYXY＝40.854＋0.260X99CODCr50045040035030025050403020100CODCr/mg/L/%00.20.40.60.81.01.21.41.6CODCrCODCrFeSO4·7H2O/g2Fe2+CODCr360340320300280260504540353025CODCr/mg/L/%234567CODCrCODCrpH3pHCODCrFentonSBRE-mail:[e-mail]111。CODCr4h。·OHCODCr。4h·OHCODCr21。4h。3FentonSBRH2O21.67mL/LFeSO4·7H2O1.67g/LpH6.54hFentonCODCr481.152mg/L246.758mg/L48.72％。1LittletonXRenZ.Thetreatmentofwastewaterfromcoke－ovenandchemicalrecoveryplantsbymeansofbioferricprocessAninnovativetechniqueJ.WatSciTech1992253143－156.2.J.20072771094－1100.3.J.199917116－19.4.A/A/OJ.20074112－119.5.SBRJ.2001109128－29.6.J.200233439－42.7.SBRJ.20056657－60.8LunarLSiciliaDRubioSetal.IdentificationofmetaldegradationproductsunderFentonreagenttreatmentusingliquidchromatography－massspectrometerJ.WatRes34133400－3412.9.FentonJ.200626129－13.10BeltranFJGonzalMRibasFJ.FentonreagentadvancedoxidationofpolynucleararomatichydrocarbonsinwaterJ.WaterAirSoilPollution19981053685－700.11BossmannSHOliberE.NewevidenceagainsthydroxylradicalsasreactiveinterrnediatesinthethermalandphotochemicallyenhancedFentonreactionJ.PhysChemA1998102285542－5550.12.·OHJ.200326144－46.13.FentonJ.2001324－25.14.Fenton—J.20023852－57.15《》.M.4.2002211－213.16.FentonJ.20012710511－14.17.FentonJ.200625455－58.18.FentonJ.200622482－84.19.FentonJ.200728165－69.20.FentonJ.2006353147－149.21.FentonCODCrJ.200653217－19.────────────────1967121990033000.ResearchontheTreatmentofCokingWastewaterEffluentinSBRbyFentonOxidationWUJian-jun,LIRi-qiang,QURui-juanABSTRACT:ThispaperintroducesthemethodofFentonoxidationforcokingwastewatereffluentinSBR,andresearchestheeffectsofagentdosage,pHvalueandquiescentoxidationtime.TheresultsshowthatremovalrateofCODCris48.72％from481.152mg/Lto246.758mg/LinwhichFentonoxidationachievesthebesteffect,undertheconductionasfollows:H2O2dosageis1.67mL/L,FeSO4·7H2Odosageis1.67g/L,pHvalueis6.5andquiescentoxidationtimeis4h.KEYWORDS:Fentonoxidation;cokingwastewater;wastewatertreatmentCODCrCODCr3203002802602405045403530CODCr/mg/L/%24681012/h4CODCrFentonSBRE-mail:[e-mail]112