Fenton试剂氧化处理含丙烯腈废水

2013－05－15363194～197CHINASYNTHETICRUBBERINDUSTRYFenton12a2b2b2a2a12a*31.2131642.a.b.2661013.730060FentonAN100mg/L、、。H2O21～4mL、FeSO4·7H2O600mg/L、pH1.3～7.0200mLAN、、C、NAN95%。FentonTQ330．9A1000－1255201303－0194－04NBRBdAN—CN1。NBRAN、Bd、2。*32。、、、O3/H2O2、4Fenton。Fenton5、、、、、、。NBR6－7AN。NBRAN5mg/L。FentonAN、、。11.1、、、、、、、、、、。H2O230%*2012－11－272013－02－27。1983—。3。KJCX2－EW－H05U1162203。*。。FeSO4·7H2O。ANBASF。1.21NBRAN100mg/LNBR200mLpHFeSO4·7H2O600mg/LH2O240℃45min。1.3ANVarian450－GCINNOWaxAN。ThermoFisherICS5000DP、/DC、EG、AS8。DionexIonPacAS11－HC4mm×250mm4mm×50mmKOH15mmol/L1mL/min30℃25μL。DionexIonPacCS12A4mm×250mm4mm×50mm20mmol/L1mL/min30℃25μL。ElementarVarioELⅢ。22.1、、、、、1g/L5101520mg/L、、、、1g/L12510mg/L。1y－xR1。Fig1ChromatogramsofanionsaandcationsbinmixedstandardsolutionTable1LinearfittingequationsandRoftestedanionsandcationsConstituentRegressionequationRHOCH2CO－2y=0.1230x+0.09400.9770CH3CO－2y=0.1448x+0.15900.9964C2O2－4y=0.1691x+0.11170.9900NO－3y=0.2086x－0.20600.9977NH+4y=0.0446x－0.02230.99612.2pH1.32.02CN。AN5mg/L95%。pH7.0、H2O21mL2。2aSO42－FentonFeSO4C2O42－HOCH2CO2－、CH3CO2－、NO3－。·591·3.Fenton2bK+、Na+、Ca2+NH4+。。2.32.3.1pHFentonpHFe2+Fe3+H2O2·OH9pHFenton。23pH1.3pH、Table2EffectofpHvalueonionconcentrationinaqueousphasemg/LpHvalueHOCH2CO－2CH3CO－2C2O2－4NO－3NH+41.308.7360002.00011.2383.5621.7563.00.0891.74011.3443.6820.7695.00.4151.20921.9123.2741.0387.02.3012.97720.5998.3601.150Table3EffectofpHvalueoncarbonandnitrogendistributionsingasaqueousandsolidphases%pHvalueMolefractionofcarbonMolefractionofnitrogenLiquidSolidGasLiquidSolidGas1.35.22094.78001002.04.51095.498.23091.773.05.661.0693.285.840.2793.895.09.731.3388.946.370.2793.367.011.153.3685.4910.891.0688.05、CO2N2。2.3.2H2O2H2O245pH、Fe2+ANH2O20.36mLAN。Table4EffectofH2O2amountonionconcentrationinaqueousphasemg/LH2O2/mLHOCH2CO－2CH3CO－2C2O2－4NO－3NH+41.00.8460.67026.9443.0251.8452.02.3012.97720.5998.3601.1504.00.0980.26921.1733.0390.657Table5EffectofH2O2amountoncarbonandnitrogendistributionsingasaqueousandsolidphases%H2O2/mLMolefractionofcarbonMolefractionofnitrogenLiquidSolidGasLiquidSolidGas1.011.681.3386.998.230.2791.502.011.153.3685.4910.891.0688.054.08.761.2490.004.510.2795.222.4FentonANFentonFe2+H2O29Fe2++H2O2→Fe3++OH－+OH·1R—H+OH·→R·+H2O2R·+Fe3+→Fe2++products3·OHFe2+Fe3+pHFeOH3Fenton。·691·3635FeOH3。ANANFenton4。FentonANC—CCCCO2C≡NCCO2NNH4+NH4+N2NO3－。3H2O21～4mL、FeSO4·7H2O600mg/L、pH1.3～7.0200mLNBRAN、、C、NAN95%。1.Fe/C－FentonJ.201235289－93.2.－－J.20103315－10.3.J.2010262446－48.4.CJ.2012325432－435.5NeyensEBaeyensJ.AreviewofclassicFenton’speroxidationasanadvancedoxidationtechniqueJ.JournalofHazardousMaterialsB2003B9833－50.6./J.2005236474－476.7.J.2011392127－130.8.J.20122366－68.9.FentonJ.2004273105－107.Oxidationtreatmentofacrylonitrile-containingwastewaterbyFentonreagentXINGLi-shu1ZHANGCong2aFAYun2bDUJuan2bSONGLiang2aXINHong-chuan2aLIMing-shi1LIXue-bing2aLANQi-ying31.SchoolofPetrochemicalEngineeringChangzhouUniversityChangzhou213164China2.a.KeyLaboratoryofBiofuelsb.PublicLaboratoryQingdaoInstituteofBioenergyandBioprocessTechnologyChineseAcademyofSciencesQingdao266101China3.LanzhouPetrochemicalResearchCenterPetroChinaLanzhou730060ChinaAbstractThehomemadeacrylonitrileAN-containingwastewater100mg/LwastreatedbyFentonreagentoxida-tionprocessthecompositionofthetreatedwastewaterprod-uctswasanalyzedbygaschromatographyionchromatographyandelementalanalysisandtheoxidationreactionmechanismwasproposed.Theresultsshowedthat200mLofwastewaterwastreatedbyadditionof1－4mLofH2O2and600mg/LofFeSO4·7H2OundertheconditionsoftheinitialpHvalueof1.3－7.0ANwasoxidizedtoproductswithdifferentstatesincludinggaseousproductswiththelargestpercentageandsomeliquidproductsincludingacertainamountofoxalicacidandsmallamountofaceticacidglycolicacidnitrateandam-moniumionsandsolidproductsincludingCandN-contai-ningcompounds.TheANconversionwasover95%.KeywordsFentonreagentacrylonitrilewastewateroxidationion·791·3.Fenton