Unique influences of reboiler inventory control on the operation of totally reboiled reactive distillation columns

Kejin Huang; Yang Yuan; Liang Zhang; Haisheng Chen; Shaofeng Wang; Nian Liu

doi:10.1016/j.cjche.2016.07.004

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Unique influences of reboiler inventory control on the operation of totally reboiled reactive distillation columns

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

- Unique influences of reboiler inventory control on the operation of totally reboiled reactive distillation columns
- Unique influences of reboiler inventory control on the operation of totally reboiled reactive distillation columns
- 中国化学工程学报（英文版） 2017年25卷第1期页码：103-115
- Affiliations：
  
  1. College of Information Science and Technology, Beijing University of Chemical Technology,Beijing,China,100029
  2. Electrical & Instrument Department, Wuhuan Engineering Co., Ltd,Wuhan,China,430223
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.07.004
  中图分类号：
- 纸质出版：2017
- Accepted：
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Kejin Huang, Yang Yuan, Liang Zhang, 等. Unique influences of reboiler inventory control on the operation of totally reboiled reactive distillation columns[J]. 中国化学工程学报（英文版）, 2017,25(1):103-115.

Kejin Huang, Yang Yuan, Liang Zhang, Haisheng Chen, Shaofeng Wang, Nian Liu. Unique influences of reboiler inventory control on the operation of totally reboiled reactive distillation columns[J]. , 2017, 25(1): 103-115.
Kejin Huang, Yang Yuan, Liang Zhang, 等. Unique influences of reboiler inventory control on the operation of totally reboiled reactive distillation columns[J]. 中国化学工程学报（英文版）, 2017,25(1):103-115. DOI： 10.1016/j.cjche.2016.07.004.

Kejin Huang, Yang Yuan, Liang Zhang, Haisheng Chen, Shaofeng Wang, Nian Liu. Unique influences of reboiler inventory control on the operation of totally reboiled reactive distillation columns[J]. , 2017, 25(1): 103-115. DOI： 10.1016/j.cjche.2016.07.004.

摘要

Abstract

In this work

the dynamics and operation of the totally reboiled reactive distillation columns are visualized in terms of transfer function based process models. This kind of processes is found to be characterized by underdamped step responses due to the special topological configuration and the intricate interplay between the reaction operation and the separation operation involved. The under-dampness can be substantially alleviated through the tight inventory control of bottom reboiler and this presents beneficial effects to process dynamics and operation. Two totally reboiled reactive distillation columns

separating

respectively

a hypothetical synthesis reaction from reactants A and B to product C

and a real decomposition reaction from 1

4-butanediol to tetrahydrofuran and water

are employed to demonstrate these uncommon behaviors. The results obtained give full support to the above qualitative interpretation. Despite the strong influences of reaction kinetics and thermodynamic properties of the reacting mixtures

the totally reboiled reactive distillation columns are generally considered to present such unique behaviors and require tight inventory control of bottom reboiler to facilitate their control system development.

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