Design and control of methyl acetate-methanol separation via heat-integrated pressure-swing distillation

Zhishan Zhang; Qingjun Zhang; Guijie Li; Meiling Liu; Jun Gao

doi:10.1016/j.cjche.2016.06.013

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Design and control of methyl acetate-methanol separation via heat-integrated pressure-swing distillation

第25届中国过程控制会议专栏 | Updated：2026-01-06

- Design and control of methyl acetate-methanol separation via heat-integrated pressure-swing distillation
- Design and control of methyl acetate-methanol separation via heat-integrated pressure-swing distillation
- 中国化学工程学报（英文版） 2016年24卷第11期页码：1584-1599
- Affiliations：
  
  2 School of Materials Science and Engineering, Shandong University of Science and Technology,Qingdao,China,266590
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.06.013
  中图分类号：
- 纸质出版：2016
- Accepted：
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Zhishan Zhang, Qingjun Zhang, Guijie Li, 等. Design and control of methyl acetate-methanol separation via heat-integrated pressure-swing distillation[J]. 中国化学工程学报（英文版）, 2016,24(11):1584-1599.

heat-integrated pressure-swing distillation[J]. Chinese Journal of Chemical Engineering, 2016, 24(11): 1584-1599.
Zhishan Zhang, Qingjun Zhang, Guijie Li, 等. Design and control of methyl acetate-methanol separation via heat-integrated pressure-swing distillation[J]. 中国化学工程学报（英文版）, 2016,24(11):1584-1599. DOI： 10.1016/j.cjche.2016.06.013.

heat-integrated pressure-swing distillation[J]. Chinese Journal of Chemical Engineering, 2016, 24(11): 1584-1599. DOI： 10.1016/j.cjche.2016.06.013.

摘要

Abstract

Design and control of pressure-swing distillation (PSD) with different heat integration modes for the separation of methyl acetate/methanol azeotrope are explored using Aspen Plus and Aspen Dynamics. First

an optimum steady-state separation configuration conditions are obtained via taking the total annual cost (TAC) or total reboiler heat duty as the objective functions. The results show that about 27.68% and 25.40% saving in TAC can be achieved by the PSD with full and partial heat integration compared to PSD without heat integration. Second

temperature control tray locations are obtained according to the sensitivity criterion and singular value decomposition (SVD) analysis and the single-end control structure is effective based on the feed composition sensitivity analysis. Finally

the comparison of dynamic controllability is made among various control structures for PSD with partial and full heat integration. It is shown that both control structures of composition/temperature cascade and pressure-compensated temperature have a good dynamic response performance for PSD with heat integration facing feed flowrate and composition disturbances. However

PSD with full heat integration performs the poor controllability despite of a little bit of economy.

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