醋酸乙酯加氢合成乙醇反应器的模型化

doi:10.11949/j.issn.0438-1157.20141217

化工学报 ›› 2015, Vol. 66 ›› Issue (2): 561-566.DOI: 10.11949/j.issn.0438-1157.20141217

• 催化、动力学与反应器 • 上一篇下一篇

醋酸乙酯加氢合成乙醇反应器的模型化

孙帆^1,2, 程双¹, 于小芳¹, 张新平¹, 张春雷¹, 周兴贵²

1 上海华谊集团技术研究院, 上海 200241;
2 华东理工大学化学工程联合国家重点实验室, 上海 200237

收稿日期:2014-08-11 修回日期:2014-09-30 出版日期:2015-02-05 发布日期:2015-02-05
通讯作者: 张春雷, 周兴贵

Modeling of ethyl acetate hydrogenation reactor

SUN Fan^1,2, CHENG Shuang¹, YU Xiaofang¹, ZHANG Xinping¹, ZHANG Chunlei¹, ZHOU Xinggui²

1 Technology Research Institute of Shanghai Huayi Group, Shanghai 200241, China;
2 State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China

Received:2014-08-11 Revised:2014-09-30 Online:2015-02-05 Published:2015-02-05

摘要/Abstract

摘要：

根据实验室数据对醋酸乙酯加氢制乙醇宏观动力学方程进行参数估计,得到宏观动力学模型。根据动力学模型,同时考虑内扩散的影响以及物料、热量和动量衡算方程建立了醋酸乙酯加氢制乙醇固定床反应器的一维拟均相模型,并分别得到不同氢酯比、不同控制温度、不同压力下的多种工况的模拟结果。模拟结果与实际生产数据吻合。该模型可用于指导工业反应器的设计和操作优化。

关键词: 醋酸乙酯, 固定床, 反应器, 乙醇, 动力学, 一维拟均相

Abstract:

A kinetic model of synthesizing ethanol by hydrogenation of ethyl acetate was developed based on laboratory data, and then corrected by taking into consideration the pore diffusion effect. With the correction, the results could conform with actual operation. Based on the principles of material balance, energy balance, momentum balance and kinetics of the reactions, an one-dimensional pseudo-homogeneous model of the ethanol synthesis reactor by hydrogenation of ethyl acetate using fixed bed was established. The simulation results of a variety of conditions were obtained by the model with different H₂/EA molar ratios, different temperatures and different pressures. The model could reflect the performance of the hydrogenation reactor and provide guidance for the design and operation optimization of industrial reactor.

Key words: ethyl acetate, fixed bed, reactor, ethanol, kinetics, one-dimensional pseudo-homogeneous

中图分类号:

TQ021.8

孙帆, 程双, 于小芳, 张新平, 张春雷, 周兴贵. 醋酸乙酯加氢合成乙醇反应器的模型化[J]. 化工学报, 2015, 66(2): 561-566.

SUN Fan, CHENG Shuang, YU Xiaofang, ZHANG Xinping, ZHANG Chunlei, ZHOU Xinggui. Modeling of ethyl acetate hydrogenation reactor[J]. CIESC Journal, 2015, 66(2): 561-566.

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醋酸乙酯加氢合成乙醇反应器的模型化

Modeling of ethyl acetate hydrogenation reactor

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