论文部分内容阅读
八碳芳烃临氢异构化是工业生产对二甲苯的主要方法.本文研究了380℃,886kPa氢烃分子比为10和铂/沸石催化剂条件下这一复杂反应系统的选择性动力学,提出了将系统中八碳环烷作为一个集总组分的宏观化学反应模式,建立了具有拟一级形式的Hougen-Watson型数学模型,用特征向量法求取了相对速度常数矩阵.所得结果与文献报道的反应机理一致并能拟合实验数据.本文提供了在运用特征向量法过程中对组成数据进行清洗的方法和有助于简化计算的模态矩阵之逆矩阵的行向量表达式.
Hydroisomerization of octa-aromatics is the main method for industrial production of p-xylene.This paper studies the selective kinetics of this complex reaction system under the conditions of 380 ℃, 886 kPa hydrocarbonic molecular ratio of 10 and platinum / zeolite catalyst, A macro-chemical reaction model with octa-carbocycloalkane as a lumped component in the system was established. Hougen-Watson mathematical model with quasi-first-order form was established and the relative velocity constant matrix was obtained by eigenvector method. The reaction mechanism reported in the literature is consistent and can fit the experimental data.This paper provides the method of cleaning the composition data in the process of using the eigenvector method and the row vector expression of the inverse matrix of the modal matrix to facilitate the calculation.