Catalytic Cracking of Cycloparaffins Admixed with Olefins:1. Single-Event Microkinetic (SEMK) Modeling

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摘要 Single-eventmicrokinetic(SEMK)modelofthecatalyticcrackingofmethylcyclohexaneadmixedwith1-octeneoverREUSYzeolitesat693K—753Kintheabsenceofcokeformationisenhanced.Tokeepconsistencywiththewellknowncarbeniumionchemistry,hydridetransferformingandconsumingallyliccarbeniumionsinthearomatizationofcycloparaffinsarefurtherinvestigatedanddifferentiated.Thereversibilityofendocyclicβ-scissionandcyclizationreactionsisrefinedbyaccountingexplicitlyforthereactingolefinsandresultingcycloparaffinsinthecorrespondingthermodynamics.24activationenergiesforthereactionsinvolvedinthecrackingofcycloparaffinsareobtainedbytheregressionof15setsofexperimentaldataupontakingtheresulting37maincrackingproducts,i.e.,responsesintoaccount.TheenhancedSEMKmodelcanadequatelydescribethecatalyticbehaviorof37mainproductswithconversionandtemperature.
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出版日期 2014年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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