Optimal synthesis of heat-integrated distillation configurations using the two-column superstructure

doi:10.1016/j.cjche.2023.08.010

中国化学工程学报 ›› 2024, Vol. 66 ›› Issue (2): 238-249.DOI: 10.1016/j.cjche.2023.08.010

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Optimal synthesis of heat-integrated distillation configurations using the two-column superstructure

Xiaodong Zhang, Lu Jin, Jinsheng Sun

School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

收稿日期:2023-07-16 修回日期:2023-08-23 出版日期:2024-02-28 发布日期:2024-04-20
通讯作者: Jinsheng Sun,E-mail:jssun2006@vip.163.com

Optimal synthesis of heat-integrated distillation configurations using the two-column superstructure

Xiaodong Zhang, Lu Jin, Jinsheng Sun

School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Received:2023-07-16 Revised:2023-08-23 Online:2024-02-28 Published:2024-04-20
Contact: Jinsheng Sun,E-mail:jssun2006@vip.163.com

摘要/Abstract

摘要： In the realm of the synthesis of heat-integrated distillation configurations, the conventional approach for exploring more heat integration possibilities typically entails the splitting of a single column into a two-column configuration. However, this approach frequently necessitates tedious enumeration procedures, resulting in a considerable computational burden. To surmount this formidable challenge, the present study introduces an innovative remedy: The proposition of a superstructure that encompasses both single-column and multiple two-column configurations. Additionally, a simultaneous optimization algorithm is applied to optimize both the process parameters and heat integration structures of the two-column configurations. The effectiveness of this approach is demonstrated through a case study focusing on industrial organosilicon separation. The results underscore that the superstructure methodology not only substantially mitigates computational time compared to exhaustive enumeration but also furnishes solutions that exhibit comparable performance.

关键词: Superstructure, Process synthesis, Heat integration, Simulation-based optimization, Industrial organosilicon separation

Abstract: In the realm of the synthesis of heat-integrated distillation configurations, the conventional approach for exploring more heat integration possibilities typically entails the splitting of a single column into a two-column configuration. However, this approach frequently necessitates tedious enumeration procedures, resulting in a considerable computational burden. To surmount this formidable challenge, the present study introduces an innovative remedy: The proposition of a superstructure that encompasses both single-column and multiple two-column configurations. Additionally, a simultaneous optimization algorithm is applied to optimize both the process parameters and heat integration structures of the two-column configurations. The effectiveness of this approach is demonstrated through a case study focusing on industrial organosilicon separation. The results underscore that the superstructure methodology not only substantially mitigates computational time compared to exhaustive enumeration but also furnishes solutions that exhibit comparable performance.

Key words: Superstructure, Process synthesis, Heat integration, Simulation-based optimization, Industrial organosilicon separation

Xiaodong Zhang, Lu Jin, Jinsheng Sun. Optimal synthesis of heat-integrated distillation configurations using the two-column superstructure[J]. 中国化学工程学报, 2024, 66(2): 238-249.

Xiaodong Zhang, Lu Jin, Jinsheng Sun. Optimal synthesis of heat-integrated distillation configurations using the two-column superstructure[J]. Chinese Journal of Chemical Engineering, 2024, 66(2): 238-249.

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Optimal synthesis of heat-integrated distillation configurations using the two-column superstructure

Optimal synthesis of heat-integrated distillation configurations using the two-column superstructure

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