FTH-2催化剂上重芳烃烷基转移反应动力学研究

摘要

The intrinsical kineticsal of heavy aromatic transalkylation reactionon FTH -2 catalysts was investigated.The kinetic experiments were carried out under the conditions of excluding the effects of internal and external diffusion to determine the main reaction with variable space velocity experi-ments.The kinetic model was established ,and the ordinary differential equation was used to estimate the parameters.The parameters were optimized by MATLAB programming , and the model parameters were tested.The intrinsical kinetic equations determined for the transalkylation reactions of benzene and heavy aromatics was as follow:r1 =1.3027 ×104exp(-6.927/RT )· y0.73TIPB· y2.41B · y-0.64IPB%对在FTH-2催化剂上重芳烃烷基转移反应的本征动力学进行了研究.在排除内外扩散影响后,结合变空速实验确定反应的主反应,并进行动力学实验,建立动力学模型,采用常微分方程的参数估值法进行参数估值,利用Matlab编程对参数进行优化计算,并检验模型参数,确定苯与重芳烃的烷基转移反应的本征动力学方程为:r1=1.3027×104exp(-6.927/RT)·y0.73TIPB·y2.41B·y-0.64IPB