F-T合成蜡油加氢裂化五集总反应动力学模型

doi:10.3969/j.issn.0438-1157.2013.04.020

化工学报 ›› 2013, Vol. 64 ›› Issue (4): 1263-1268.DOI: 10.3969/j.issn.0438-1157.2013.04.020

• 催化、动力学与反应器 • 上一篇下一篇

F-T合成蜡油加氢裂化五集总反应动力学模型

孙季昺¹, 王一博², 杨超¹, 蒋坚¹, 曹发海¹

1. 华东理工大学化学工程系,上海 200237;
2. 艾伯塔大学化学系,加拿大艾伯塔 T6G 2R3

收稿日期:2012-06-20 修回日期:2012-08-25 出版日期:2013-04-05 发布日期:2013-04-05
通讯作者: 曹发海
作者简介:孙季昺(1987—),男,硕士研究生。
基金资助:
国家自然科学基金项目(21076082)。

5-Lumped kinetic model for F-T synthesis wax hydrocracking reaction

SUN Jibing¹, WANG Yibo², YANG Chao¹, JIANG Jian¹, CAO Fahai¹

1. Department of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;
2. Department of Chemistry, University of Alberta, Alberta T6G 2R3, Canada

Received:2012-06-20 Revised:2012-08-25 Online:2013-04-05 Published:2013-04-05
Supported by:
supported by the National Natural Science Foundation of China(21076082).

摘要/Abstract

摘要： 根据F-T合成蜡油加氢裂化过程的机理及已有的九集总和全集总动力学模型,提出了异构化因子的概念;将异构化反应模拟与实验结果相结合,引入裂化概率函数改进原有九集总动力学模型;据此建立了包含7个反应式的更加符合实际加氢裂化过程的五集总动力学模型。通过已有的实验结果同两种动力学模型的比较,表明所建立的五集总动力学模型计算值与实验值的平均相对误差为3.95%,在高转化率的情况下,平均相对误差仅为0.88%,且该模型对产品选择性也具有良好的预测能力。

关键词: F-T合成蜡, 加氢裂化, 集总, 动力学模型

Abstract: According to the 9-lumped kinetic model and the total kinetic model as well as the mechanism of the F-T synthesis wax hydrocracking process, a 5-lumped kinetic model was established.On the basis of the concept of isomerization factor, the experimental results combined with isomerization reaction simulation and the introduction of cracking probability function, the original 9-lumped kinetic model cracking assumption was improved.Cracking probability function made the model more close to the actual hydrocracking process.There were seven reactions in the 5-lumped reaction kinetic model.Two kinds of kinetic models were compared by using the experimental results over the catalyst consisting of platinum (0.6%,mass) supported on amorphous silica alumina modified with H-β.The average relative error between the 5-lumped kinetic model calculations and experimental values was 3.95%.When conversion was higher than 90%, average relative error was below 0.8%.From the comparison, product selectivity could be well predicted by the 5-lumped model.

Key words: F-T synthesis wax, hydrocracking, lumping, kinetic model

中图分类号:

TQ018

孙季昺, 王一博, 杨超, 蒋坚, 曹发海. F-T合成蜡油加氢裂化五集总反应动力学模型[J]. 化工学报, 2013, 64(4): 1263-1268.

SUN Jibing, WANG Yibo, YANG Chao, JIANG Jian, CAO Fahai. 5-Lumped kinetic model for F-T synthesis wax hydrocracking reaction[J]. CIESC Journal, 2013, 64(4): 1263-1268.

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F-T合成蜡油加氢裂化五集总反应动力学模型

5-Lumped kinetic model for F-T synthesis wax hydrocracking reaction

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