低溫破乳劑的研制與應(yīng)用

1、大慶石油學(xué)院碩士學(xué)位論文低溫破乳劑的研制與應(yīng)用姓名：馮濤申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：王寶輝20070610FormulationandApplicationofDemulsifiersforBreakingCrudeOilEmulsionatLowTemperatureAbstractInthispaperthedevelopmentofdemulsifiersforbreakingcrudeoilemulsionatwa

2、ssummarizedBasedontheresearchondemulslfiersforbreakmgcrudeoiIemulsionatlowtemperatureintheworldInthefaceofthediflicuriesofcrudeOlldemulslficationat10wRwnperaturessuchastightemulsionandhi曲oilcarryoverstudyon‘theFormulatio

3、nandapplicationofDemulsifiersforBreakingCrudeOilEmulsionatLowTemperature’wasconductedInthisstIldvdemulslfierswerecharacterizedatlowtemperaturestoscreenandformulatedemulsifiersthatweresuitablebothforthedemulsificationofth

4、ehi曲watercutcrudeoilemulsiongatheredandtreatedatlowtemperaturestemovetheheatingprocessesinvolvedinoilgatheringandtreatmentatproductionstationsandtolowertheoilcarryoverinproducedwater_Thedemulsifiersthusformulatedplayedan

5、importantroleinthelowtemperaturegathenngandtreatmentofcrudeoilwhichcanbeadoptedtosavealargeamountofenergyThedemulsifiersalsohelpedtoincreasethecapacitiesofcrudeandproducedwaterhandlingfacilitiesThestudyconsistsof8majorpa

6、rtsThestartingpartscoverthephysicalandchemicalpropertiesofproduced1lqmdemulsificationofcrudeoilatlowtemperatureviscositiesofcrudeOllemulsionofvariouswatercutsatlowtemperatures，oil／waterseparatlonperformancesatlowtemperat

7、ures，mechanismsinvolvedinlowtemperaturechemicaldemulslficatlonandbenchtopgravitysettlingtreatmentofproducedliquldatlowtemperaturesTherheologlcalcharacteristicsofcrudeOllemulsionsofvanouswatercutsattemperatures3to5degreeC

8、entigradeabovethepourpointofcrudeoil，compositionofproducedliquid，characteristicsandperformancesofnaturalemulsifiersinthecrudeOllwerepresentedbasedonthestudiesontheproducedliquidcomposition，characteristicsandperformanceso

9、fnaturalemulsifiersinthecrudeoil，viscositiesofcrudeoilemulsionofvariouswatercutsatlowtemperaturesEmulslfcatlontendenciesofcrudeoilatlowtempemtureweredescribedbymeansofemulsionpaRemstructureandcompositionofthetransitional

10、layerbetweenoilphaseandwaterphase，charactensticsandperformancesofnaturalemulsifiersinthecrudeoilandthemechanismsofemulsificationOll／waterset)aratlonperformancesattemperatures3to5degreeCentigradeabovethepourpointofcrudeoi

11、l，suchasthetimerequiredforoil／waterseparation，oil／waterseparationperformance，ratioofthetransitional!ayer‘，^2representedbasedonthestudyofoil／waterseparationperformancesincludingdeterminationofoil／waterseparationtime，separ

12、ationperformances，andratiosoftransitionallayersMechanismsinvolvedincrudeoildemulsificationatlowtemperatureswerestudiedbymeansofthedeterminationofoil／waterseparationtimeseparatlonperformancesratiosoftransitionallayersunde

13、rtheeffectsofdemulsifiersatIowtemperatures，aswellasthedeterminationofemulsionpattem，structureandcompositionofthetransitlonallayerandtheinterfacialpropertiesatlowtemperaturesinthepresenceofdemulsifiersThemechanismsthuspre

14、sentedwereusedasguidesintheformulationofdemulsifiersforlowtemperaturedemulslfiCatlonofcrudeoilEstablishmentoftheevaluationmethodsformulationandfieldtrialofdemulsifiersforlowtemperaturecrudeoildemulslficationwereconducted

15、basedonthestudiesmentionedaboveAdemulslfierforlowtemperaturecrudeoildemulslficatlon，namedDEl036，wasformulatedFieldtrialshowedthatDEl036wasaverygooddemulsifiersforlowtemperaturecrudeoildemulsificationandoilcarryoverofprod