电Fenton技术处理聚合物驱采油废水朱米家

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INDUSTRIALWATER&WASTEWATERVol.42No.5Oct.,2011-Fenton1,1,1,2,3,2,3,1(1.,434023;2.,100027;3.,100027)、,,[1-2],,。,,,,,,。,:,,,。-Fenton,、,,:,,。-Fenton,:3.0A,4.0cm,15min,pH4.0,30%1.0mL,99.21%。-Fenton、、、,。:;;-Fenton:X741.031:A:%1009-2455(2011)05-0020-03Treatmentofpolymerfloodingoil-extractionwastewaterbyelectric-FentontechnologyZHUMi-jia1,YINXian-qing1,CHENWu1,TANGuo-rong2,3,JINGBo2,3,XIAOYuan-sheng1(1.CollegeofChemicalandEnvironmentalEngineering,YangtzeUniversity,Jinzhou434023,China;2.StateKeyLaboratoryofOffshoreOilExploitation,Beijing100027,China;3.CNOOCResearchInstitute,Beijing100027,China)Abstract:Withthewildapplicationofpolymerfloodingtechnologyintertiaryoilrecovery,theviscosityofproducedwaterbecomeshigher,whichmakesthetreatmentofwastewaterfromoffshoreplatformmoredifficult.Electric-Fentontechnologywasusedtotreatpolymerfloodingoil-extractionwastewater.Theresultsofindoorexperimentindicatedthat,forthetreatmentofaliterofwater,theremovalrateofpolymercouldreach99.21%undertheoptimalconditionasfollows:thecurrentintensitywas3.0A,thespacebetweentwoelectrodeplateswas4.0cm,thereactiontimewas15min,thepHvaluewas4.0,thedosageofhydrogenperoxidewithmassfractionof30%was1.0mL.Electric-Fentontechnologyplaystheroleofviscosityreducing,aswellaselectricflocculation,airfloatation,sedimentationandadvancedoxidationatthesametime,therefore,ithasanactiveguidingmeaningforthetreatmentofwastewatercontainingpolymerandoil.Keywords:polymerflooding;tertiaryoilrecovery;electric-Fentontechnology:(2011ZX05024-004):2011-06-22;:2011-07-06·20·1Fig.1Effectofelectrolysistimeonpolymerremoval510152025/min/%1008060402002Fig.2Effectofcurrentintensityonpolymerremoval123456/A/%1008060402001JZ9-3Tab.1IoniccompositionofformationwaterinJZ9-3Oilfieldρ()ρ(K+)ρ(Na+)ρ(Ca2+)ρ(Mg2+)2780.299.08859.9211.549.00ρ(Cl-)ρ(SO42-)ρ(HCO3-)ρ(CO32-)ρ(OH-)750.006.001100.0014.750.00mg·L-1。11.1WYK-505,ZXP-30L,(10cm×10cm),(FP3640C,2300),30%H2O2。1.2JZ9-3,,,,,3000r/min,40min200mg/L,1。1.3-Fenton,H2O2,Fe2+·OH[1-2],。JZ9-3,pH8.48,。Fe2+,pH,Fenton,Fe2+H2O2·OH,-Fenton。3000mL,1000mL200mg/L,,2,,-Fenton,。1.4SY/T6576—2003《》“-”,,W:W=(A0-A1)/A0×100%(1):A0、A1———、。22.1I3.0A,d4.0cm,pH6.0,30%H2O21.0mL,5、10、15、20、25min,,1。10~15min,,,,15min。2.215min,4.0cm,pH6.0,30%H2O21.0mL,1.0、2.0、3.0、4.0、5.0A。2。2,,,·OH,、[3-5],。3.0A,,,,,:-Fenton·21·INDUSTRIALWATER&WASTEWATERVol.42No.5Oct.,20113Fig.3Effectofspacebetweenelectrodeplatesonpolymerremoval024681012/cm/%100959085804pHFig.4EffectofinitialpHvalueofsolutiononpolymerremoval123456pH/%1008060402005H2O2Fig.5EffectofH2O2dosageonpolymerremoval00.51.01.52.02.53.0H2O2/mL/%100959085803.0A。2.33.0A,15min,pH6.0,30%H2O21.0mL,2.0、4.0、6.0、8.0、10.0cm,3,4.0cm,。,,。4.0cm,,。2.4pH1∶1pH1.0、2.0、3.0、4.0、5.0、6.0,3.0A,4.0cm,-Fenton15min,30%H2O21.0mL,,4。pH3.0~5.0,,。pH,[Fe(H2O)6]2+,Fe2+H2O2[6];pH,OH-Fe2+Fe(OH)2,Fe(OH)3,,·OH,,pH4.0。2.5H2O23.0A,4.0cm,15min,pH4.0。30%H2O20.5、1.0、1.5、2.0、2.5mL,,5。H2O21.0mL,H2O2,1.0mL,,H2O2,,H2O2Fe2+Fe3+,H2O2,·OH[7-8],。3-FentonJZ9-3,50%H2SO4pH4.0,,4.0cm,3.0A,15min,30%H2O21.0mL,,99.2%。:[1],.Fenton[J].,2001,20(12):1-3.[2],.[J].,2004,23(6):253-256.[3]MYousufAMollah,RobertSchennach,JoseRParga,etal.Electrocoagulation(EC)-scienceandapplications[J].JournalofHazardousMaterials,2001,84(1):29-41.[4]JinningDuan,JohnGregory.Coagulationbyhydrolyzingmetalsalts[J].AdvancesinColloidandInterfaceScience,2003,100-102(28):484-493.(31)·22·4MBRFig.4VariationofsuctionpressureofMBRalongwithtime481216202428/d/kPa1815129630,。2.5()。,MBR,,。MBR24。,。,。,20kPa,、,。4,13d17kPa,。,。0.1%NaClO,:,30min,,30min;0.1%NaClO12h,;30min,。。,,。3(1)-A2/O-MBR-BAC,NH3-N96%,NH3-N3mg/L,。,CODCr,CODCr90%,CODCrGB8978—1996。(2),,,。(3)MBR,NaClO。:[1],.[J].,2001,32(3):8-10.[2],.[J].,2010,33(10):86-91.[3],,.A/O-[J].,2010,47(12):59-62.[4],,,.+A2/O+[J].,2010,36(4):71-72.[5]YuZhaoxiang,QiRong,YinYanjun.TreatmentofcokeplantwastewaterbyA/Ofixedbiofilmsystem[J].ScienceinChinaSeriesB:Chemistry,2005,56(5):107-114.[6],,,.COD[J].,2011,30(1):26-28.:(1985-),,,,,,()029-81871838()wuying031021@126.com。(22)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![5]MohammadYAMollah,PaulMorkovsky,JewelAGGomes,etal.Fundamentals,presentandfutureperspectivesofelectrocoagulation[J].JournalofHazardousMaterials,2004,114(1~3):199-210.[6].Fenton[J].,2009,40(4):34-36.[7],,,.-Fenton[J].,2003,4(11):48-51.[8],,,.Fenton[J].,2000,21(3):93-96.:(1985-),,,,,()0716-8060933()zhumijia128@163.com。,,,:-A2/O-MBR-BAC·31·

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