高级氧化技术在油田水处理中的应用刘书孟

ComplexSolidificationTechnologyforTreatmentofWasteDrillingFluidandItsEngineeringApplication(21)AiGuangfu(HuangheDrillingEngineeringGeneralCompanyofShengliOilfield)ABSTRACTInordertoreachthetargetofchangingwastemattersintotheusefulmaterials,theengineersofShengliOilfielddevelopedthesolidificationtechnologyfortreatmentofwastedrillingfluid.Theharmfulimpuritiesindrillingfluidandsolidificationmechanismofwastedrillingfluidareinvestigated.Thedesignindexesforsolidifiedmattersweredetermined,andthesampleanalysisandexaminationwascarriedoutinlaboratory.Thedifferentsolidificationformulationsforvariousdrillingfluidsystemswereobtained.Theendurancetestofcomplexsolidifiedmaterialswasmade.Theresultshowsthatthecompressionstrengthofthesolidifiedmaterialsrangesfrom0.5to1.5MPaaftersolidificationfortwentyeightdays.Thistypematerialcanbeusedtobuildsimpleroadandwellfield.Addingsomesolidificationandbonemattersintothesolidifiedmaterialscanmakeitappliedtoarchitectureandhavesilicategelandcementstonestructures.KEYWORDSShengliOilfield,wastedrillingfluid,solidificationtechnology,appliedresearchApplicationProspectofAdvancedOxidationTechnologiesforProducedWaterTreatment(25)LiuShumeng(SchoolofEnvironmentalScienceandEngineering,ShanghaiJiaotongUniversity)ABSTRACTThebasicprincipleandphylogenyofsomeadvancedoxidationtechnologiesweredescribed.Severaltypicaloxidationtechnologiesincludingozoneoxidation,chlorinedioxideoxidationandphotocatalysisoxidationaswellastheirapplicationtowatertreatmentwereintroduced.Aimedatresolvingsomenewproblemsinproducedwatertreatmentsuchashighcontentofreducingbacteriainsulphate,highconcentrationoforganicsubstance,easilypropagationofmicrobesandseriousscaling,theprospectoftheadvancedoxidationtechnologiesappliedtotreatmentoftheproducedwaterinoilfieldwasdiscussed.KEYWORDSadvancedoxidationtechnology,ozoneoxidation,chlorinedioxideoxidation,photocatalysisoxidation,producedwatertreatmentDehydrationTechnologyforTreatmentofSludgeinGasField(28)JiangLiLeiBin(ChongqingEnvironmentalMonitoringCenterofWest-SouthOilfieldCompany,CNPC)ABSTRACTDuringthetreatmentprocessofsludgeproducedfromsewagedisposalingasfield,therearealwaysalongdryingperiodforsludgeandhighwatercut,whichhasaharmfuleffectonthetreatmentcapacityofdevices.Theexperimentsonoptimumdehydratingagentsandsludgedehydrationcapacityshowthatthefollowingtechnologycanachievebetterresult.Firstly,polymerizedaluminumchlorideisaddedintothetreatedsludgeandstirredfor15seconds.Secondly,anionicpolyarylamideisaddedandstirredfor30seconds.Finally,FO4190SHisaddedandmixedfor30seconds.Themixedfluidislaminatedstably.Thecapacityofvacuumdehydrationisbetterthanthatofgravitydehydration.Especiallyforthefreshsludge,thevelocityofvacuumdehydration(at45kPa)iseighttimeshigherthanthatofgravitydehydration.KEYWORDSgasfield,sludge,dehydrationtechnology,dehydrator,vacuumdehydration,gravitydehydration