H2O2预氧化对FeC微电解处理油田压裂废水的作用研究周立辉

41　6200912西安建筑科技大学学报()J.Xi′anUniv.ofArch.&Tech.(NaturalScienceEdition)Vol.41　No.6Dec.2009H2O2Fe/C周立辉(,710021)　:,H2O2Fe/C.,H2O2Fe/C,,H2O2,Fe/C,Fe/CFe2+(·OH).,H2O2/Fe/CCOD,,.:;H2O2;;;:O643.36　　　　:A　　　　:1006-7930(2009)06-0867-04　.＊,,、.,.COD、、,,,.,Fe/C,,Fe/C,、[1-2],,Fe/C[3-4].,H2O2Fe/C,.1　压裂废水水质特点1.1,,.,20℃1×10-3Pa·s,3～10,,.,.,,,,,.1　Tab.1　CharacteristicsoffracturingfluidwastewaterColor/c.u.COD/(mg·L-1)pHSS/(mg·L-1)Oil/(mg·L-1)Viscosity/(10-3Pa·s)200～5002000～100008～950～20020～503～10＊:2008-11-12　　:2009-10-02:(50708088):(1965-),,,,.DOI:10.15986/j.1006-7930.2009.06.0032　研究方法概述2.1　,COD3100mg/L,293c.u.,pH8.6,39.3mg/L,64mg/L,5.67×10-3Pa·s.2.2　.Fe0.53mm,C1mm.Fe/CpH1,,(Ca(OH)2)pH8.:,pH;Fe/C,.H2O230min.,(·OH)(DMSO)·OH,[5-6].3　实验结果与讨论图1　H2O2预氧化对Fe/C微电解反应的促进影响Fig.1　EffectofpreoxidationbyH2O2onFe/Ctreatment3.1　H2O2Fe/C1Fe/C.1,,COD,12h,Fe/CCOD100mg/L,40c.u..,Fe/C30minH2O2(H2O21g/L),COD,5hF/C.,COD,.1,H2O2Fe/C,.3.2　H2O2Fe/C1,Fe/C,.,Fe/CFe2+[7-8],H2O2Fe2+pHFenton,(·OH)[9-10],.H2O2Fe/C,H2O2.图2　H2O2对水的粘度降低情况Fig.2　DecreasingofviscositybyH2O23.2.1　对粘度的降低情况2H2O2.3,Fe/C,COD,,Fe/C.H2O2,1h,,2h.,H2O2,,Fe/C.3.2.2　氢氧自由基的产生情况3H2O230min,Fe/C1h3h(DM-SO),HPLC.3,6.4868　　　　　　　　　　　　　　　()　　　　　　　　41min,H2O2Fe/C,.图3　氢氧自由基产生情况(HPLC分析图)Fig.3　·OHanalyzedresultbyHPLCProductionofradicalhydrogen图4　不同时间体系中·OH产生量Fig.4　ProductionofOHatdifferenttime3,,,1,4.4,,8h.H2O2.,H2O2,Fe2+,,,H2O2,.3.3　H2O2/Fe/C,COD,.,,H2O2Fe/CCOD,2.2,H2O2/Fe/CCOD,,.2　Tab.2　TreatmentparameteroffracturingfluidwastewaterbyH2O2/Fe/CRawwaterCOD/(mg·L-1)93612601820236031004760512058006300TreatedwaterCOD/(mg·L-1)34488690769310899102H2O2Dosage/(g·L-1)0.20.20.20.512345Fe/CDosage/(g·L-1)233334555Reactiontime/h1133561015154　结　论,:(1)H2O2Fe/C,.(2)H2O2Fe/C,Fe/C,Fe/CFe2+(·OH).(3),H2O2/Fe/CCOD,,.　References[1]　,,.Fe/C[J].,2003,26(5):53-55.WANGLi-Ping,ZHAOLi-Zhi,MENGYing-feng.StudyontreatmentoffracturingfluidwastewaterbyFe/C[J].8696　　　　　　:H2O2Fe/CJournalofSouthwestPetroleumInstitute,2003,26(5):53-55.[2]　,,,.[J].,2002,19(4):387-390.FANQing-yu,HEHuan-jie,WANGYong-hong,etal.ProgressinTreatmentsofDrilling,AcidizingandHydro-fracturingWastewatersinChina[J].OilfieldChemistry,2002,19(4):387-390.[3]　　,,.[J].,2009,19(2):48-50.ANJie,LIUYu-cheng,CHENMing-yan.Researchprogressoffracturingfluidwastewatertreatment[J].Envi-ronmentalProtectionofOil&GasFields,2009,19(2):48-50.[4]　,,.——[J].,2001,11(4):17-20.ZHAOLi-zhi,ZENGZhi-nong,WANGBi-rong.TreatmentofDrillingWastewaterbyCoagulation/Micro-electrol-ysis/CatalyticOxidationProcess[J].EnvironmentalProtectionofOil&GasFields,2001,11(4):17-20.[5]　,,,.[J].,2008,34(6):30-32.XIEMing-yuan,JINPeng-kang,WANGXiao-chang,etal.AffectingFactorsAnalysisonHydroxylRadicalPro-ductioninCatalyticOzonationSystem[J].TechnologyofWaterTreatment,2008,34(6):30-32.[6]　FUKUIS,HANASAKIY,OGAWSS.HPLCdeterminationofmethanesulphinicacidasamethodforthedeter-minationof·OH[J].Chromatogr,1993,630(2):187-193.[7]　OLEINIKGN,KABAKOVATN.MicrobiologicalCharacteristicsofWaterfromArtesianWellsoftheCityofKi-ev[J].JournalofHydrobiological,1998,34(4):85-101.[8]　WallingC.FentonReagentRevlsited[J].ACCChemicaiResearch,1975:125-131.[9]　,,　,.[J].,2007,32(8):115-118.LINMeng-xiong,DUYuan-li,CHENKun,etal.MobilOilFieldWasteWaterProcessingCraftandEquipmentResearch[J].EnvironmentalScienceandManagement,2007,32(8):115-118.[10]　,　.Fenton[J].,2006,35(6):493-494.ZHANGYu-fen,SUNJian.Studyonviscositydecreasingoffracturingfluidwastewatertreatment[J].ChemicalEngineeringofOilandGas,2006,35(6):493-495.EffectofH2O2preoxidationonfracturingfluidwastewatertreatmentbymicro-electrolysisofFe/CZHOULi-Hui(InstituteofOilandGasTechnology,ChangqingOilField,Xi′an710021,China)Abstract:ThispapermainlystudiedtheeffectofH2O2preoxidationonfracturingfluidwastewatertreatmentbymicro-e-lectrolysisofFe/C.TheresultsshowedthatH2O2preoxidationcandramaticallyimprovethetreatmentefficiencyoffrac-turingfluidwastewaterbymicro-electrolysisofFe/C.ThemainreasonisthattheviscosityoffracturingfluidwastewatercanbedecreasedbyH2O2preoxidationandtheradicalhydrogencanbeexcitedbyusingFe2+whichproducedintheprocessofmicro-electrolysis.ThepaperalsostudiedthedifferentconcentrationoffracturingfluidwastewaterbytheprocessofH2O2/Fe/C,andtheresultscanguidetheon-sitetreatmentoffracturingfluidwastewater.Keywords:fracturingfluidwastewater;H2O2;preoxidation;viscosity;radicalhydrogen.＊870　　　　　　　　　　　　　　　()　　　　　　　　41＊Biography:ZHOULi-Hui,SeniorEngineer,Xi′an710021,P.R.China,Tel:[phone],E-mail:[e-mail]