Studyontheexplorationofthetreatmentofoil-bearingwastewaterfromtheoilfieldbyusingmodifiedPTFEmembranefilterXiaFujun1,FangYong1,SuiXiangnan2,LiJianliang1(1.DaqingOilfieldEngineeringCo.,Ltd.,Daqing163712,China;2.No.2PetroleumandPetrochemicalEquipmentFactory,DaqingOilfieldConstructionMaterialManufactureandInstallationCompanyLimited,DaqingOilfieldConstructionGroup,Daqing163712,China)1,1,2,1(1.,163712;2.,163712)Abstract:Basedonthecharacteristicofoil-bearingwastewaterfromDaqingOilfield,thefinefilteringtechniqueofmodifiedPTFEmembranehasbeenexplored,inordertocarrythroughthesmall-scaledexperimentsinthetreatmentofoil-bearingwastewaterinoilfields.ThefeasibilityoftreatingDaqingOilfieldproducedwastewaterbyusingthefinefiltrationofmodifiedPTFEmembraneisdemonstratedbytheresultsofexperiments.TheresultsshowthataftertreatedwiththemodifiedPTFEmembranefilter,theeffluentwaterqualitycanallreachthecontrolledtargetsofthewaterqualityforbeinginjectedintoDaqingreservoirwithlowpermeability,i.e.oil≤8.0mg/L,SS≤3.0mg/L,andmediumparticlesize≤2.0μm.ThestructureanddesignparametersformodifiedPTFEmembranefilterarealsoop-timizedpreliminarily,establishingthefoundationofnextenlargedfieldtests.Keywords:modifiedPTFEmembrane;finefilters;oil-bearingwastewater;wastewatertreatment[],,。,(:≤8.0mg/L、≤3.0mg/L、≤2.0μm),,。[];;;[]X703.1[]A[]1005-829X(2010)01-0026-03,,。,,。,,,,,,。,3,,:、、,,,,(:≤8.0mg/L、≤3.0mg/L、≤2.0μm)。,(PTFE),,30120101IndustrialWaterTreatmentVol.30No.1Jan.,201026——2010-01,30(1),,。11.1(PAM),、(≤2.0μm),,,、,、、,。〔1-2〕1。1.21.2.1〔3〕。,、,,,,。,,,,,。1.2.2(1)。1#0.45μm,2#0.8μm。(2)。,(12)。。22.11#、1#0.6m3/h〔0.333m3/(m2·h)〕、1.0m3/h〔0.556m3/(m2·h)〕、1.5m3/h〔0.833m3/(m2·h)〕。2,、,2()。2:1#,,≤8mg/L、≤3mg/L、≤2μm,,≤5mg/L≤1mg/L。,,。,2。2.22#:,,,,;,。1#,0.8μm1.0m3/h〔0.556m3/(m2·h)〕、1.5m3/h〔0.833m3/(m2·h)〕1/(mg·L-1)/(mg·L-1)/(mPa·s)/μm≤2.0μm/%≤500≥20≥0.810~3560~9621#/(mg·L-1)/(mg·L-1)/μm/(m3·h-1)2.280.325.530.651.3921.1150.62.160.393.750.302.0051.3671.01.930.585.50.821.6071.2411.52.930.745.200.721.8171.5580.63.150.808.421.031.7291.4071.04.200.775.160.771.9191.7551.5,:27——2010-01,30(1),3。,,。3:,2#,,,。,2。2.3(1)≤5mg/L,,≤0.556m3/(m2·h)(1.0m3/h),0.45μm0.8μm、,,:≤5.0mg/L、≤1.0mg/L,≤2.0μm。(2)≤10mg/L,0.45μm,0.333m3/(m2·h)(0.6m3/h),0.8μm,0.556m3/(m2·h)(1.0m3/h),、,。(3)0.45μm,≤0.556m3/(m2·h)(1.0m3/h),,;0.8μm,≤0.883m3/(m2·h)(1.5m3/h),。,。3(1),。0.556m3/(m2·h)0.8μm,;0.333m3/(m2·h)0.45μm,,。(2),,,≤5mg/L;,,≤10mg/L。[][1].[D].:,2006:47-70.[2],.[J].,2002(1):78-98.[3],,,.[J].,2006,26(1):5-8.[](1964—),1987。/,。:0459-5902538,E-mail:xiafujun@petrochina.com.cn。[]2009-08-15()≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤/———,.CN101230132··,/。、。、,/。,CaCO3、CaSO4、BaSO4、SrSO4、Ca3(PO4)2,,;;、、,。32#/(mg·L-1)/μm/(m3·h-1)27.020.661.8531.5021.07.970.872.1201.6646.350.852.1401.5681.58.371.252.2141.75928——