A comparative study of different arrangements for methanol distillation process

›› 2016, Vol. 24 ›› Issue (9): 1201-1212.

• Process Systems Engineering and Process Safety • 上一篇下一篇

A comparative study of different arrangements for methanol distillation process

Davood Hajavi¹, Norollah Kasiri², Javad Ivakpour³

1 Department of Energy, College of Environment and Energy, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran;
2 CAPE Lab, School of Chemical Engineering, Iran University of Science & Technology, Narmak, Tehran, Iran;
3 Research Institute of Petroleum Industry, Olympic Sq., Tehran, Iran

收稿日期:2014-06-22 修回日期:2016-02-17 出版日期:2016-09-28 发布日期:2016-11-11
通讯作者: Norollah Kasiri,E-mail address:capepub@cape.iust.ac.ir

A comparative study of different arrangements for methanol distillation process

Davood Hajavi¹, Norollah Kasiri², Javad Ivakpour³

1 Department of Energy, College of Environment and Energy, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran;
2 CAPE Lab, School of Chemical Engineering, Iran University of Science & Technology, Narmak, Tehran, Iran;
3 Research Institute of Petroleum Industry, Olympic Sq., Tehran, Iran

Received:2014-06-22 Revised:2016-02-17 Online:2016-09-28 Published:2016-11-11

摘要/Abstract

摘要： The current study presents an effective method of determining and optimizing distillated methanol alternative arrangements. To complement the information required to run the rigorous simulation, V_min method is used as a base for the selection of the optimum arrangement among different alternatives. Results obtained from V_min diagram and shortcut simulation are utilized, by means of the simulator, for the precise simulation of alternative arrangements of methanol distillation under optimum conditions. Taking into account target function profit and the process parameters and conditions, the most optimum parameter value for reaching maximum profit was obtained, based on which all the arrangements with or without their heat integration were compared to each other. Technical and economic analysis results indicate, that increased profit by Prefractionator with heat integration arrangement is 4.79% compared to the base arrangement, while the three-column, four-column and five-column arrangements have benefits increase by 3.61%, 3.55% and 3.46%, respectively.

关键词: Methanol distillation, Heat integration, V_min diagram, Energy saving, Optimization

Abstract: The current study presents an effective method of determining and optimizing distillated methanol alternative arrangements. To complement the information required to run the rigorous simulation, V_min method is used as a base for the selection of the optimum arrangement among different alternatives. Results obtained from V_min diagram and shortcut simulation are utilized, by means of the simulator, for the precise simulation of alternative arrangements of methanol distillation under optimum conditions. Taking into account target function profit and the process parameters and conditions, the most optimum parameter value for reaching maximum profit was obtained, based on which all the arrangements with or without their heat integration were compared to each other. Technical and economic analysis results indicate, that increased profit by Prefractionator with heat integration arrangement is 4.79% compared to the base arrangement, while the three-column, four-column and five-column arrangements have benefits increase by 3.61%, 3.55% and 3.46%, respectively.

Key words: Methanol distillation, Heat integration, V_min diagram, Energy saving, Optimization

中图分类号:

10.1016/j.cjche.2016.05.029

Davood Hajavi, Norollah Kasiri, Javad Ivakpour. A comparative study of different arrangements for methanol distillation process[J]. , 2016, 24(9): 1201-1212.

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A comparative study of different arrangements for methanol distillation process

A comparative study of different arrangements for methanol distillation process

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