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1、METHODFORSELECTINGADEMULSIFIER(UDC665.5)S.F.MoiseikovandV.E.RakintsevaTurkmenBranchofVNIIneft'TranslatedfromKhimiyaiTekhnologiyaTopliviMasel,No.9,pp.33-36,September,1965ThepresentpapergivesinformationonthedehydrationanddesaltingofKotur-Tepeoilbythermochemicalandelectrochemic
2、almethods.Theaimistofindthesimplestmethodofassessingsurfactantefficiency.*Thedehydratedoilhasdensityp24~0.859-0.869andcontains(%):paraffin6.3-9.0,silicagelresins8.8-12.7,asphaltenes0.9-1.1,fractionsboilingbelow200%15-17[1].Emulsionsofthisoilarefinelydispersed(meanglobulediam
3、eter1.6p).Thethermochemicalmethodisasfollows.200goilisplacedinaflaskwitharefluxcondenserandheatedtothedemulsificationtemperature75-80%,whichwasestablishedfromtheviscosity-temperaturecurve[2].De-mulsifierwasaddedtoweighedsamples,mixedfor10minandlefttosettleonthewaterbath(6h),
4、andthewaterwhichsettledoutwasremoved.Eachexperimentwasrepeatedatleasttwice.Experimentsonthepreparationofoilinafieldofpower-frequencycurrentswereperformedinan~LOUpilotplantofcapacity85liters/day.Ineachexperiment,5to6samplesofprocessedoilweretakenat30rainintervalsandthemeanval
5、uesofthewaterandsaltcontentsdetermined.Weused2%aqueoussolutionsofdemulsifier.ThewatercontentwasdeterminedbytheDeanandStarkmethod,thechloridecontentbyGOST2401-62.*G.V.Shleikher,Z.V.Savchenko,O.V.Yaremenko,andT.A.Kulikovahelpedwiththeexperiments.10080&I--Jqi"x17d20rllaI'I5o15o
6、3502503}0Demulsifier.consumption,g/tFig.1.Effectofconsumptionofnonionogenic(a,b)andionogenic(c,d)demuIsifiersonthedegreeofdesaltingofKotur-Tepeoil:1)OP-?;2)UFE-8;3)OP-10;4)KAUFE-14;5)VNIINP-58;6)OS;7)OPS;8)OZhK;9)OKO-100;10)KatapinK;11)alkamonN;12)katapinA;13)sulfonolNP-5;14
7、)compensatorA;5)azolyatB;16)azolyatA;17)Disolvan4411.'IlOTABLE1.ConsumptionofDemulsifiersandDegreeofDesaltinginThermochemicalTreatmentofKotur-TepeOilillllNo.ofglycol!OptimalradicalsinDegreeofDemulsifierStructureofdemulsifieraverageConsumption,desalting,demulsifierg/t%molecul
8、e[INonionogenicOP-10CondensationproductofethyleneoxideandI07880OP-7alkyl-or
