A Quasi-steady-state Model for Numerical Simulation of Batch Extractive Distillation

CIESC Journal ›› 2010, Vol. 18 ›› Issue (1): 43-47.

A Quasi-steady-state Model for Numerical Simulation of Batch Extractive Distillation

方静, 李春利, 王洪海, 孙立军

School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China

收稿日期:2008-12-05 修回日期:2009-08-23 出版日期:2010-02-28 发布日期:2010-12-30
通讯作者: LI Chunli, E-mail: ctstlcl@hebut.edu.cn
作者简介:
基金资助:
Supported by the Natural Science Foundation of Hebei Province(B2006000018)

A Quasi-steady-state Model for Numerical Simulation of Batch Extractive Distillation

FANG Jing, LI Chunli, WANG Honghai, SUN Lijun

School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China

Received:2008-12-05 Revised:2009-08-23 Online:2010-02-28 Published:2010-12-30
Supported by:
Supported by the Natural Science Foundation of Hebei Province(B2006000018)

摘要/Abstract

摘要： Batch extractive distillation(BED)is a special method used in the distillation process by adding a solvent into the batch distillation column to alter the relative volatility of the components and improve the separation. A comprehensive design and simulation method is required due to the complexity of BED.In this study,a quasi-steady-state model for BED is proposed,the derivation and solution of the model are presented.This shortcut model can be used to simulate the composition and temperature of the reboiler,the top and other plates of the column in a batch extractive distillation operation.The calculated values are in good agreement with the experimental data.The results show that the quasi-steady-state model is a practical method because of some advantages such as high precision and fast calculation.

关键词: batch distillation, extractive distillation, simulation, model

Abstract: Batch extractive distillation(BED)is a special method used in the distillation process by adding a solvent into the batch distillation column to alter the relative volatility of the components and improve the separation. A comprehensive design and simulation method is required due to the complexity of BED.In this study,a quasi-steady-state model for BED is proposed,the derivation and solution of the model are presented.This shortcut model can be used to simulate the composition and temperature of the reboiler,the top and other plates of the column in a batch extractive distillation operation.The calculated values are in good agreement with the experimental data.The results show that the quasi-steady-state model is a practical method because of some advantages such as high precision and fast calculation.

Key words: batch distillation, extractive distillation, simulation, model

方静, 李春利, 王洪海, 孙立军. A Quasi-steady-state Model for Numerical Simulation of Batch Extractive Distillation[J]. CIESC Journal, 2010, 18(1): 43-47.

FANG Jing, LI Chunli, WANG Honghai, SUN Lijun. A Quasi-steady-state Model for Numerical Simulation of Batch Extractive Distillation[J]. , 2010, 18(1): 43-47.

参考文献

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A Quasi-steady-state Model for Numerical Simulation of Batch Extractive Distillation

A Quasi-steady-state Model for Numerical Simulation of Batch Extractive Distillation

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