ASTM D7112-2005a 用重燃料油稳定分析仪测定重燃料油和原油的稳定性和可混用性的标准试验方法(光学检测)

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【英文标准名称】:StandardTestMethodforDeterminingStabilityandCompatibilityofHeavyFuelOilsandCrudeOilsbyHeavyFuelOilStabilityAnalyzer(OpticalDetection)
【原文标准名称】:用重燃料油稳定分析仪测定重燃料油和原油的稳定性和可混用性的标准试验方法(光学检测)
【标准号】:ASTMD7112-2005a
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:燃料;重燃料油;液体燃料;重油;测定;试验;兼容性;光学的;稳定性;燃料油;原油;分析仪;检测
【英文主题词】:asphalteneprecipitation;asphaltenes;compatibility;crudeoil;heavyfueloil;insolubilitynumber;P-value;residualoil;solubilityblendingnumber;solventequivalent;stability;stabilityreserve
【摘要】:Automaticdeterminationofstabilityparametersusingalightback-scatteringtechniqueimprovesaccuracyandremoveshumanerrors.Inmanualtesting,operatorshavetovisuallycompareoilstainsonpiecesoffilterpapertodetermineifasphalteneshavebeenprecipitated.Refinerythermalandhydrocrackingprocessescanberunclosertotheirseveritylimitsifstabilityparameterscanbecalculatedmoreaccurately.Thisgivesincreasedyieldandprofitability.Resultsfromthetestmethodcouldbeusedtosetastandardspecificationforstabilityparametersforfueloils.Thecompatibilityparametersofcrudeoilscanbeusedincrudeoilblendinginrefineriestodetermine,inadvance,whichcrudeoilblendswillbecompatibleandthuscanbeusedtominimizepluggingproblems,unitshutdowns,andmaintenancecosts.Determinationofcrudeoilcompatibilityparametersalsoenablesrefineriestoselectcrudeoilmixturesmoreeconomically.Thistestmethodcanmeasurestabilityandcompatibilityparameters,anddeterminestabilityreserveondifferentblendsforparticularapplicationstooptimizetheblending,storage,anduseofheavyfueloilsNote18212;Usersofthistestmethodwouldnormallyusestabilityandcompatibilityparameterstodeterminestabilityreserveofresidualproducts,fuelblendsandcrudeoils.However,theinterpretationofstability,stabilityreserveandcompatibilityisheavilyx2018;usedependent,x2019;andisbeyondthescopeofthistestmethod.1.1Thistestmethodcoversanautomatedprocedureinvolvingtitrationandopticaldetectionofprecipitatedasphaltenesfordeterminingthestabilityandcompatibilityparametersofrefineryresidualstreams,residualfueloils,andcrudeoils.Stabilityinthiscontextistheabilitytomaintainasphaltenesinapeptizedordissolvedstateandnotundergoflocculationorprecipitation.Similarly,compatibilityrelatestothepropertyofmixingtwoormoreoilswithoutprecipitationorflocculationofasphaltenes.1.2Thistestmethodisapplicabletoresidualproductsfromatmosphericandvacuumdistillation,fromthermal,catalytic,andhydrocrackingprocesses,toproductstypicalofSpecificationsD396,GradesNo.5L,5H,and6,andD2880,GradesNo.3-GTand4-GT,andtocrudeoils,providingtheseproductscontain0.05mass%orgreaterconcentrationofasphaltenes.1.3Thistestmethodisnotrelevanttooilsthatcontainlessthan0.05%asphaltenes,andwouldbepointlesstoapplytounstableoilsthatalreadycontainflocculatedasphaltenes.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:12P.;A4
【正文语种】: