Interpreting the dynamic effect of internal heat integration on reactive distillation columns

Yang Yuan; Liang Zhang; Haisheng Chen; Shaofeng Wang; Kejin Huang; Huan Shao

doi:10.1016/j.cjche.2016.07.002

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Interpreting the dynamic effect of internal heat integration on reactive distillation columns

Process Systems Engineering and Process Safety | Updated：2026-01-06

- Interpreting the dynamic effect of internal heat integration on reactive distillation columns
- Interpreting the dynamic effect of internal heat integration on reactive distillation columns
- 中国化学工程学报（英文版） 2017年25卷第1期页码：89-102
- Affiliations：
  
  1. College of Information Science and Technology, Beijing University of Chemical Technology,Beijing,China,100029
  2. Patent Examination Cooperation Center of the Patent Office, SIPO,Beijing,China,100081
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.07.002
  中图分类号：
- 纸质出版：2017
- Accepted：
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Yang Yuan, Liang Zhang, Haisheng Chen, 等. Interpreting the dynamic effect of internal heat integration on reactive distillation columns[J]. 中国化学工程学报（英文版）, 2017,25(1):89-102.

Yang Yuan, Liang Zhang, Haisheng Chen, Shaofeng Wang, Kejin Huang, Huan Shao. Interpreting the dynamic effect of internal heat integration on reactive distillation columns[J]. , 2017, 25(1): 89-102.
Yang Yuan, Liang Zhang, Haisheng Chen, 等. Interpreting the dynamic effect of internal heat integration on reactive distillation columns[J]. 中国化学工程学报（英文版）, 2017,25(1):89-102. DOI： 10.1016/j.cjche.2016.07.002.

Yang Yuan, Liang Zhang, Haisheng Chen, Shaofeng Wang, Kejin Huang, Huan Shao. Interpreting the dynamic effect of internal heat integration on reactive distillation columns[J]. , 2017, 25(1): 89-102. DOI： 10.1016/j.cjche.2016.07.002.

摘要

Abstract

In this work

the impact of internal heat integration upon process dynamics and controllability by superposing reactive section onto stripping section

relocating feed locations

and redistributing catalyst within the reactive section is explored based on a hypothetical ideal reactive distillation system containing an exothermic reaction:A+B↔C+D. Steady state operation analysis and closed-loop controllability evaluation are carried out by comparing the process designs with and without the consideration of internal heat integration. For superposing reactive section onto stripping section

favorable effect is aroused due to its low sensitivities to the changes in operating condition. For ascending the lower feed stage

somewhat detrimental effect occurs because of the accompanied adverse internal heat integration and strong sensitivity to the changes in operating condition. For descending the upper feed stage

serious detrimental effect happens because of the introduced adverse internal heat integration and strong sensitivity to the changes in operating condition. For redistributing catalyst in the reactive section

fairly small negative influence is aroused by the sensitivity to the changes in operating condition. When reinforcing internal heat integration with a combinatorial use of these three strategies

the decent of the upper feed stage should be avoided in process development. Although the conclusions are derived based on the hypothetical ideal reactive distillation column studied

they are considered to be of general significance to the design and operation of other reactive distillation columns.

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