热解升温速率对有机质生烃动力学参数的影响

热解升温速率对有机质生烃动力学参数的影响

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1、AdvancesinGeosciences地球科学前沿,2013,3,1-7doi:10.12677/ag.2013.31001PublishedOnlineFebruary2013(http://www.hanspub.org/journal/ag.html)InfluenceofHeatingRatesonKineticParametersof*HydrocarbonGenerationfromOrganicMatter1,212111MinWang,YefengSun,ShuangfangLu,GuohuiCh

2、en,QiDong,XuefeiWang,111XintongYan,YangLi,WenguangWang1EarthSciencesInstitute,NortheastPetroleumUniversity,Daqing2ChinaUniversityofPetroleum(Huadong),ResearchInstituteofUnconventionalPetroleumandRenewableofEnergy,QingdaoEmail:quickking@163.comththndReceived:Dec

3、.11,2012;revised:Dec.27,2012;accepted:Jan.2,2013Abstract:Opensystempyrolysisexperimentswithmultipleheatingrates(10˚C/min,20˚C/min,30˚C/min,40˚C/min,50˚C/min)ofdifferenttypesoforganicmattersampleshavebeenaccomplished.Thekineticmodelparameterscanbecalibratedbyusi

4、ngtheexperimentaldataofdifferentheatingrates(10˚C/min-20˚C/min-30˚C/min,20˚C/min-30˚C/min-40˚C/min,30˚C/min-40˚C/min-50˚C/min).Resultsshowthatthehydrocarbonprocessesofdifferenttypesoforganicmattercanallbedescribedbytheparallelfirst-orderratemodel.Therein,theact

5、ivationenergydistributionrangeoftypeIorganicmatterisrelativelynarrow,distributedmainlyinthemajorpartoftheactivationenergy.TheactivationenergydistributionrangeoftypeIIIorganicmatterisrelativelywide.Thepre-exponentialfactorobtainedbytheex-perimentaldata,aswellast

6、heaverageactivationenergy,graduallydecreasedfromslowheatingratecombinationstofastheatingratecombinations.Extrapolatedbygeologicalheatingrateof3.3˚C/Mashowsthatwiththeheatingrateincreasing,thegeologicalTmaxcalculatedbythekineticmodelgraduallydecreasesfrom30˚C-40

7、˚C.Therefore,pro-posingamethodusingthesourcerockhydrocarbondataormaturitydataofthestudyareatotestthereliabilityofdif-ferentkineticparameterscouldcontributetoselecttheappropriatekineticparameters.Itcanalsobeusedforfurthersensitivityanalysisofthekineticparameters

8、andriskassessmentofthekineticmodel.Keywords:HeatingRates;PyrolysisExperiment;HydrocarbonGenerationKinetics;Pre-ExponentialFactors*热解升温速率对有机质生烃动力学参数的影响1,212111111王民,孙业峰,卢双舫,陈

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