Simultaneous synthesis of heat-integrated water networks by a nonlinear program: Considering the wastewater regeneration reuse

doi:10.1016/j.cjche.2020.11.044

Chinese Journal of Chemical Engineering ›› 2022, Vol. 44 ›› Issue (4): 402-411.DOI: 10.1016/j.cjche.2020.11.044

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Simultaneous synthesis of heat-integrated water networks by a nonlinear program: Considering the wastewater regeneration reuse

Fangyou Yan¹, Wei Li², Jinli Zhang³

1 School of Chemical Engineering and Material Science, Tianjin University of Science and Technology, Tianjin 300457, China;
2 Key Laboratory for Green Chemical Technology MOE, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
3 Key Laboratory of Systems Bioengineering MOE, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Received:2020-07-22 Revised:2020-10-11 Online:2022-06-18 Published:2022-04-28
Contact: Fangyou Yan,E-mail:yanfangyou@tust.edu.cn;Wei Li,E-mail:liwei@tju.edu.cn
Supported by:
This work was financially supported by the Major Science and Technology Project of Xinjiang Bingtuan (2017AA007/02).

Simultaneous synthesis of heat-integrated water networks by a nonlinear program: Considering the wastewater regeneration reuse

Fangyou Yan¹, Wei Li², Jinli Zhang³

1 School of Chemical Engineering and Material Science, Tianjin University of Science and Technology, Tianjin 300457, China;
2 Key Laboratory for Green Chemical Technology MOE, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
3 Key Laboratory of Systems Bioengineering MOE, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

通讯作者: Fangyou Yan,E-mail:yanfangyou@tust.edu.cn;Wei Li,E-mail:liwei@tju.edu.cn
基金资助:
This work was financially supported by the Major Science and Technology Project of Xinjiang Bingtuan (2017AA007/02).

Abstract

Abstract: Heat-integrated water network synthesis (HIWNS) has received considerable attention for the advantages of reducing water and energy consumptions. HIWNS is effective in water and energy sustainability. Mixed integer non-linear programming (MINLP) is usually applied in HIWNS. In this work, a novel nonlinear programming (NLP) was proposed for HIWNS by considering wastewater reuse and wastewater regeneration reuse. Integer variables are changed to non-linear equation by the methods for identifying stream roles and denoting the existence of process matches. The model is tested by examples with single and multiple regeneration unit problems. The testing results showed that the NLP is an alternative method for HIWNS with wastewater reuse and regeneration reuse.

Key words: None-linear programming, Heat-integrated water network synthesis, Wastewater regeneration reuse

摘要： Heat-integrated water network synthesis (HIWNS) has received considerable attention for the advantages of reducing water and energy consumptions. HIWNS is effective in water and energy sustainability. Mixed integer non-linear programming (MINLP) is usually applied in HIWNS. In this work, a novel nonlinear programming (NLP) was proposed for HIWNS by considering wastewater reuse and wastewater regeneration reuse. Integer variables are changed to non-linear equation by the methods for identifying stream roles and denoting the existence of process matches. The model is tested by examples with single and multiple regeneration unit problems. The testing results showed that the NLP is an alternative method for HIWNS with wastewater reuse and regeneration reuse.

关键词: None-linear programming, Heat-integrated water network synthesis, Wastewater regeneration reuse

Fangyou Yan, Wei Li, Jinli Zhang. Simultaneous synthesis of heat-integrated water networks by a nonlinear program: Considering the wastewater regeneration reuse[J]. Chinese Journal of Chemical Engineering, 2022, 44(4): 402-411.

Fangyou Yan, Wei Li, Jinli Zhang. Simultaneous synthesis of heat-integrated water networks by a nonlinear program: Considering the wastewater regeneration reuse[J]. 中国化学工程学报, 2022, 44(4): 402-411.

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Simultaneous synthesis of heat-integrated water networks by a nonlinear program: Considering the wastewater regeneration reuse

Simultaneous synthesis of heat-integrated water networks by a nonlinear program: Considering the wastewater regeneration reuse

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