长链烷烃脱氢制单烯烃动力学模型  

Kinetic Model of Heavy Paraffin Dehydrogenation to Mono-olefins

作　　者：江洪波[1] 张晴[1] 周立群[2] 王玉[2] 曹晶[2] 

机构地区：[1]华东理工大学石油加工研究所,上海200237 [2]中国石化金陵石化有限责任公司烷基苯厂,江苏南京210046

出　　处：《石油学报（石油加工）》2016年第1期156-163,共8页Acta Petrolei Sinica(Petroleum Processing Section)

摘　　要：根据长链烷烃催化脱氢反应机理,采用某新型国产长链烷烃脱氢催化剂,建立了工业反应条件下的直链烷烃脱氢制单烯烃表观反应动力学模型和催化剂失活模型。以在轴向连续流动固定床微型反应器中C10~C13直链烷烃脱氢反应的实验数据为基础,采用多元函数包维尔（Powell）法优化计算了反应速率常数、失活速率常数、失活级数与活化能,实验值与计算值拟合效果良好。动力学模型参数分析表明了所建模型动力学与热力学的合理性。Based on the reaction mechanism of heavy paraffin catalytic dehydrogenation, with a new domestic catalyst of paraffin dehydrogenation as research objective, apparent reaction kinetic model and catalyst deactivation model of heavy paraffins dehydrogenation to mono-olefins were established under industrial reaction conditions. Based on the experimental data of C10--C13 paraffins dehydrogenation in an axial continuous flow fixed bed microreactor, the reaction rate constants, deactivation rate constants, deactivation order and activation energy were calculated by multivariate function Powell method, and the fitting effect of experimental values and calculated values is good. The analysis of kinetic model parameters showed the rationality of kinetics and thermodynamics.

关 键 词：长链烷烃 脱氢 表观动力学 失活 模型 

分 类 号：TE65[石油与天然气工程—油气加工工程] O643.1[理学—物理化学]