海上油田含聚污水处理工艺优化研究

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1,2,1,2,1,2,1,2,1,2,3(1.,100028;2.,100028;3.,434023)[]、,,,,。,:50°,20~60min;5.9L/min,30~60μm;,1.6~2.0mm,5。[];;;;[]X703[]A[]1005-829X(2016)10-0080-04Researchontheoptimizationofpolymer-bearingwastewatertreatmentprocessinoffshoreoilfieldsChenWenjuan1,2,JingBo1,2,TanGuorong1,2,MengFanxue1,2,ZhangJian1,2,YinXianqing3(1.StateKeyLaboratoryofOffshoreOilExploitation,Beijing100028,China;2.CNOOCResearchInstitute,Beijing100028,China;3.CollegeofChemicalandEnvironmentalEngineering,YangtzeRiverUniversity,Jingzhou434023,China)Abstract:Aimingattheproblemsthattheviscosityofpolymer-floodingproducedliquidincreases,andthestabilityenhancementleadstotheoperationefficiencydecreaseoftheplatformwastewatertreatmentsystem,and,inthelaboratory,theoffshorewastewatertreatmentprocesshasbeensimulated,thesimulatedequipmentforcontinuouswastewatertreatmentestablished,andalloftheoperationparametersoptimizedsystematically,inordertoimprovetheintegratedoperationeffectsofthewastewatertreatmentsystem.Theexperimentalresultsshowthataftertheoptimization,thebestprocessparametersareasfollows:theinclinedtubeangleoftheinclinedtubeoil-removingtankis50°,wastewaterresidencetime20-60min,aerationrateofairflotationdevice5.9L/min,andporesize30-60μm.Thefiltermaterialsaremadeofwalnutshells,particlediameter1.6-2.0mm,andtheheightoffiltermaterialsis5timesofquartzsandthickness.Keywords:offshoreoilfield;polymer-bearingwastewater;inclinedtubeoilremoval;airflotation;filtration,〔1-5〕。,,,,,〔6-10〕。,,。,,,〔11〕。,“--”。,,,,,:(1),;(2);(3),,、;(4),,。[]“”244“”(2011ZX05024-004)3610201610IndustrialWaterTreatmentVol.36No.10Oct.,201680,,,。。11.1。:、、,60℃FA30。,:Na+2140.85mg/L、K+263.70mg/L、Ca2+98.93mg/L、Mg2+57.53mg/L、NH4+25.00mg/L、Cl-3799.13mg/L、SO42-80.00mg/L、HCO3-740.04mg/L、CO28.29mg/L、SiO232.00mg/L,7205.18mg/L。;;。7000r/min,5~10min。。1.2,〔12〕。22.1“”,、。2.1.1200mg/L、SS100mg/L,200mg/L,20min,(45°、50°、60°,15mm),1。1。,45°50°,60°,。,,。,50°。2.1.2200mg/L、SS100mg/L,200mg/L,15mm,50°60°,,1。(a)—50°;(b)—60°。11,15~40min,,,30min,。,50°60°。2.2,(),,,,。(),,,。。。2.2.1,。200mg/L/(°)/(mg·L-1)/%SS/(mg·L-1)SS/%45197.3857.4470.910036.8663.1450143.6341.2271.310035.6864.3260138.6354.3460.810043.6356.372016-10,36(10),:81,30cm,80~100μm,55℃,10min,200mg/L,,2。22,5.9~11.4L/min,,;>11.4L/min,。,,(、),。,,,,,,;,,。,,5.9L/min。2.2.2,30~60、80~100、150~200、800~2000μm。200mg/L,30cm,55℃,10min,200mg/L,,2。22,30~60μm,,。,,,,,。30~60μm。2.3。,,,。16~20m/h,≤80mg/L,≤30mg/L,≤20mg/L,≤8mg/L。、。2.3.1、、3,。3150mm2.0mm,150mm2.0mm,。3L200mg/L、196.0mg/L、200mg/L,,,3。3,SS,。、SS,,。2.3.2、。3150mm2.0mm,150mm1.6~2.0、/μm30~6080~100150~200800~2000/MPa0.0750.0750.0600.065/(L·min-1)5.96.56.16.2/%58.655.746.936.7149.88145.63139.1431.2841.3217.39/(mg·L-1)/(mg·L-1)79.1271.6387.5/%SSSS/(mg·L-1)137.5142.0123.7SS/(mg·L-1)49.2857.0737.19SS/%64.1659.8169.943L/s206194211≤11μm/%87.182.598.52016-10,36(10)820.9~1.2、0.5~0.8mm,。3L200mg/L、196.0mg/L、200mg/L,,,4。4,0.5~0.8mmSS,,。、SS,,1.6~2.0mm。2.3.3、。32.0mm,250、200、150mm0.9~1.2mm,300mm,。3L200mg/L、196.0mg/L、200mg/L,,,5。5,250mm、50mm(5∶1),SS。3。,:50°,30min;5.9L/min,30~60μm;,1.6~2.0mm,5。,。[1],,.[J].,2011,13(5):28-34.[2].[J].,2009,11(10):59-60.[3],,.[J].,2006,18(6):386-389.[4],,.[J].,2007,19(1):25-29.[5].[D].:,2012.[6].[J].,2004,11(4):56-58.[7],,,.[J].,2002,33(9):29-32.[8],.[J].,2009(10):136-137.[9],,,.[J].,2009(1):136-137.[10],,.[J].,2010,30(1):81-84.[11].10-1[J].,2014,28(6):44-46.[12],,,.:,10554801.3[P].2014-03-05.——————————[](1988—),。E-mail:chenwj4@cnooc.com.cn。[]2016-07-22()/mm1.6~2.00.9~1.20.5~0.897.8298.43112.639.51411.1510.38/(mg·L-1)/(mg·L-1)90.388.690.8/%SSSS/(mg·L-1)126.57152.37172.25SS/(mg·L-1)49.2464.0865.13SS/%61.157.962.23L/s214287418≤11μm/%98.584.399.6/mm25020015073.6373.6373.636.9310.1312.41/(mg·L-1)/(mg·L-1)90.686.283.1/%SSSS/(mg·L-1)81.4381.4381.43SS/(mg·L-1)5.298.31211.26SS/%93.4989.7986.173L/s221263286≤11μm/%88.171.5253.212016-10,36(10),:83

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