Hydrocarbon Composition of Different VGO Feedstocks and Its Correlation with FCC Product Distribution-中国期刊网

摘要 ThreedifferenttypesofVGOwereselectedandcutintovariousdistillatesbytrueboiling-pointdistillation(TBD),andthedistillateswerefurtherseparatedintodifferentcomponents(saturates,aromaticsandresins)viasolidphaseextraction(SPE).Thehydrocarboncomponentsinsaturatesandaromaticswerecharacterizedonthequasi-molecularlevelbyGC/MSandGC/TOFMS.CrackingreactionsofVGO,theirdistillates,andhydrocarboncomponents(saturatesandaromatics)wereperformedonanACE(modelAP)unit.Ninecorrelationparameters(mainlybasedonthepreviousassumptionofbasicstructureunits,BSU)whichcouldbetterreflectthestructuresandcompositionsofhydrocarbonswereputforwardbasedonthequasi-molecularlevelanalysisdata,andcorrelatedwithFCCproductdistributionbymulti-regressionmethod.Aseriesofcorrelationformulaswereobtained.TheformulaswerefurtherverifiedbycomparingexperimentalandcalculatedFCCyieldsemanatedfromtwootherVGOfeedstocks.

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Hydrocarbon Composition of Different VGO Feedstocks and Its Correlation with FCC Product Distribution

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Hydrocarbon Composition of Different VGO Feedstocks and Its Correlation with FCC Product Distribution

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