Design and control of a middle-vessel batch distillation for separating DMC-EMC-DEC mixture

Minyan Zhu; Yafei Hou; Na Yu; Mengqi Chen; Zhanhua Ma; Lanyi Sun

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Design and control of a middle-vessel batch distillation for separating DMC-EMC-DEC mixture

Separation Science and Engineering | Updated：2026-01-06

- Design and control of a middle-vessel batch distillation for separating DMC-EMC-DEC mixture
- Chinese Journal of Chemical Engineering Vol. 26, Issue 9, Pages: 1837-1844(2018)
- Affiliations：
  
  State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum(East China),Qingdao,China,266580
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2018
- Accepted：
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Minyan Zhu, Yafei Hou, Na Yu, Mengqi Chen, Zhanhua Ma, Lanyi Sun. Design and control of a middle-vessel batch distillation for separating DMC-EMC-DEC mixture[J]. Chin.J.Chem.Eng., 2018, 26(9): 1837-1844.
DOI：

Minyan Zhu, Yafei Hou, Na Yu, Mengqi Chen, Zhanhua Ma, Lanyi Sun. Design and control of a middle-vessel batch distillation for separating DMC-EMC-DEC mixture[J]. Chin.J.Chem.Eng., 2018, 26(9): 1837-1844. DOI：

摘要

Abstract

In this paper

the mixture of dimethyl carbonate

ethyl methyl carbonate and diethyl carbonate was separated by middle-vessel batch distillation with feeding in middle-vessel and process control characteristics were researched. The steady state simulation results in Aspen Plus were exported to Aspen Dynamics. Then control effect of liquid level control with HighSelector

composition control (structure1

structure2) and temperature control (proportional action

proportional integration action) were proposed. Composition control structure 2 and temperature control with PI action were investigated to achieve a good control effect.

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