整体式催化剂催化过氧化氢异丙苯分解反应的模拟研究

摘要

The relationship between the structure and catalytic performance of monolithic catalyst for the decomposition reaction of cumene hydroperoxide was studied,which provided reaction engineering foundation for its practical application and process amplification. The transmission and the reaction performances of monolithic catalysts for cumene hydroperoxide decomposition reaction were investigated by Fluent simulation software. A reliable mathematical model was established to examine the effects of operating parameters and structural parameters on its catalytic properties. It was found that cumene hydroperoxide conversion was reduced with the increase of the space velocity,cumene hydroperoxide concentration and pore diameter,in which space velocity had the greatest influence on catalytic properties. Moreover,the active component increased with the enhancement of coating thickness,which could improve cumene hydroperoxide conversion.%研究了整体式催化剂结构与催化过氧化氢异丙苯分解反应性能的对应关系，为其实际应用及过程放大提供反应工程学基础。采用Fluent模拟软件对整体式催化剂的传递与反应特性进行研究，建立可靠的数学模型并采用此数学模型考察装填整体式催化剂的反应器操作参数和结构参数对催化性能的影响。结果表明，过氧化氢异丙苯转化率随着空速、过氧化氢异丙苯浓度以及孔道直径的增大而降低，其中，空速对催化性能的影响最大。涂层厚度的增加使活性组分增加，提高过氧化氢异丙苯转化率。