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232Vol.23No.22006625OilfieldChemistry25June,2006:100024092(2006)0220188205X1,2,1,2,1(1.,430074;2.,434023):10()(),Fenton5,31:;;;();:[TE992.2]:X741:A0(AOPs),(OH),,,CO2H2O,,,,Fenton[1],,,,,,,(AOPs)1[2]20,,,(290400nm),,,,,,,X:2006202224;:2006208222:COD(B200612013):(1966-),,,(1988)(1997),(2004-),,:4340231,:0716-8061156,E2mail:lfx1966@tom.comTiO2ZnOCdSWO3,(OH),OH,,TiO2,,,TiO2,,[35],TiO2,,pHFe3+H2O2,,,;pH,;TiO2Fe3+H2O2,5%16%,215h99%Bessa[6]TiO2/H2O2Campos,[7],TiO2,,TiO20,12h,0[8]TiO22Ag2O,pH310,TiO2014%,3h,15L/min,CODcr7013%;CODcr5710%[9]TiO2,375W,80min100%,120min9315%[10]TiO2TiO2,,[11],,TiO2,,16h7512%;(,7)64h95%,,,Cl-Cl-OH,[12]2[13,14]2000K,,109K/s,400km/h,,,,OHH2O2,OHH2O2,,OHH2O2,,,,[15][16],,,1000W,8518%,981232,,:600W18min,1719%,[17],CODcr,TiO2,CODcr,/TiO215%,65minCODcr4618%3(AEOP):,OH,OH,,CO2H2O,,,,CODcr[18],,,75113%NaClO,,CODcr,CODcr(GB897821996)[19]2Fenton,1hCODcr90%95%99%,Fe(OH)2[20]CODcr,CCODcrH2O2OH,,,,Cl-,[21,22][23],/H2O2,,,,4FentonFentonFe2+/H2O2,Fe2+,H2O2OH,OH(218V),OHH2OCO2,:Fe2++H2O2Fe3++OH-+OH(1)Fe3++H2O2Fe2++HO2+H+(2)2H2O2OH+HO2+H2O(3)OH,Fenton:OH,[24];;H2O2;,,,[25],FentonCODcr,,[26]Fenton,H2O2/Fe2+H2O2/CODcrpHCODcrH2O2/Fe2+4H2O2/CODcr316415pH21551590min,CODcr82%,9815%,0912006GB897821996[27]Fenton,Fenton,:,H2O22500mg/L,FeSO47H2O70mg/L,pH315,80min,CODcr80%[28],,Fenton,FeSO47H20H2O2400100165,10%,2,(UV)FentonFenton,:Fe2+,;,H2O2FentonH2O2[29]Fenton,pH310H2O21500mg/LFeSO47H2O700mg/L304090min,CODcr95%,,,Fenton,5(SCWO),(T37412,P2211MPa),,,,CO2H2O,ClSPHClH2SO4H3PO4[30,31],CODcr,;(),CODcr,90sCODcr90%,128018mg/L150mg/L500mL,525,301399MPa,,,01000r/min,240280MPa,,6,,,,,,,,,,,,,CODcr,,,,191232,,::[1],.[J].,2005,6(4):1114.[2]HoffmannMR,MahnenannDA.Environmentalapplicationofsemiconductorphotocatalysis[J].ChemRec,1995,95:6973.[3],,.[J].,2001,25(2):8486.[4],,.[J].,2003,22(1):6770.[5]GrzechulskaJ,HamerskiM,MorawskiAW.Photocatalyticdecompositionofoilinwater[J].WaterRes,2000,34(5):16381644.[6]BessaE,SantAnnaGL,DezottiM.Photocatalytic/H2O2treatmentofoilfieldproducedwaters[J].ApplCatalB,2001,29(2):125134.[7],,.TiO2[J].,1997,10(4):2225.[8],,.[J].,2004,33(4):290292.[9].[J].,1999,19(1):4750.[10].TiO2[J].,1998,10(4):358359.[11],.[J].(),2001,22(2):219220.[12]BurnsRA,CrittendenJC,HandDW,etal.Effectofinorganicionsintheheterogeneousphotocatalysisoftrichloroethene[J].JEnvironEng,1999,125(1):7785.[13]KruusP,BurkRC,EntezariMH,etal.Sonicationofaqueoussolutionsofchlorobenzene[J].UltrasonicsSonochemistry,1997,4:229233.[14]DewulfJ,LangenhoveHV,VisscherAD,etal.Ultrasonicdegradationoftrichloroethyleneandchlorobenzeneatmicromolarconcentrations:kineticsandmodeling[J].UltrasonicsSonochemistry,2001,8:143150.[15],,.[J].,2001,2(2):6468.[16],,.[J].,2001,20(5):34.[17],,.COD[J].,2002,17(4):6971.[18],,.[J].,2002,22(6):2325.[19],,.Fenton[J].(),2004,7(4):7982.[20],,.COD[J].,2002,25(1):1112.[21],,,.[J].,2003,19(9):2528.[22]AnTC,ZhangWB,XiaoXM,etal.Photoelectrocatalyticdegradationofquinolinewithanovelthree2dimensionalelectrodepackedbedphotocatalyticreactor[J].JPhotochemPhotobioA,2004,161(2/3):233242.[23],,,.[J].,2006,19(1):3034.[24]ChamarroE,MarcoA,EsplugasS.UseofFentonreagenttoimproveorganicchemicalbiodegradability[J].WaterReserch,2001,35(4):10471051.[25],.[J].,1998,8(1):3943.[26],,,.[J].,2004,11(1):1618.[27],,.[J].,2005,19(1):2527.[28],,,.Fenton[J].,2005,36(3):3941.[29],,.Fenton[J].,2005,6(2):2023.[30],,,.[J].,2005,27(7):546549.[31],.[J].,2001,15(1):2528.RecentDevelopmentsinResearchesofAdvancedOxidationProcessesforTreatingOilfieldWastewatersLIFan2Xiu1,2,LUXiao2Hua1,LiXiao2Bin1,MEIPing2(1.CollegeofEnvironmentalScienceandEngineering,HuazhongUniversityofScienceandTechnology,Wuhan,Hubei430074,PRofChina;2.CollegeofChemicalandEnvironmentalEngineering,YangtzeUniversity,Jingzhou,Hubei434023,PRofChina)Abstract:Thedevelopmentsinrecent10yearsinresearchesofadvancedoxidationprocesses(AOPs)forremovinghardlydegradablechemicalpollutantsinoilfieldwastewatersfromdrillingandproductionarereviewed.TheAOPspresentedarephotochemicaloxidation,ultrasonicchemicaloxidation,electrochemicaloxidation,oxidationbyFentonpsreagents,andsupercriticalwateroxidation.Theprinciples,characteristics,progress,andapplicationofeveryAOParepresented.Keywords:hardlydegradableorganicpollutants;oilfieldwastewaters;wastewatertreatments;advancedoxidationprocesses;review2912006