Design and multi-objective optimization of reactive-extractive dividing wall column with organic Rankine cycles considering safety

Ji-yan, Liu; Yan, Jianlin; Liu, Wenshuo; Kong, Jie; Wu, Yang; Li, Xinnong; Sun, Lanyi

doi:10.1016/j.seppur.2022.120512

Cited by 49 publications

(11 citation statements)

References 44 publications

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“…A similar conclusion was drawn by Yan et al (2022) for the separation of benzene/ isopropanol/water where the DCRED provides the lowest TAC and CO 2 emission relative to the DW-RED and TCED. Contrary to the findings from the work of Yang et al (2022b) and Yan et al (2022), Liu et al (2022) showed that the DW-RED with pre-heated feed provides 5% improvement for both TAC and CO 2 emission relative to the DCRED for the separation of ethyl acetate/ethanol/water. In addition, they also attempted to integrate the Organic Rankine Cycle (ORC) into the DW-RED, as part of the energy conservation strategy to improve the separation process performance, and it was demonstrated that the application of ORC provides better economic and environmental performance relative to DCRED (Liu et al, 2022).…”

Section: Current Statuscontrasting

confidence: 70%

“…The integrated configuration (i.e. DW-RED) was later employed by Sun's group for the separation of benzene/ isopropanol/water and ethyl acetate/ethanol/water (Liu et al, 2022;Yan et al, 2022). A similar conclusion was drawn by Yan et al (2022) for the separation of benzene/ isopropanol/water where the DCRED provides the lowest TAC and CO 2 emission relative to the DW-RED and TCED.…”

Section: Current Statusmentioning

confidence: 77%

“…From Section 3, it was observed that most of the existing studies on RED tend to prioritise the economic factor with only two studies accounted for some other factors such as environmental and thermodynamic efficiency (Liu et al, 2022;Yan et al, 2022). Therefore, there is no overview of the role played by the other sustainability indicators such as the inherent safety.…”

Section: Sustainability Of Redmentioning

confidence: 99%

“…combination between reaction and separation in one column) (Su et al, 2020;Wang et al, 2021;Zhang et al, 2021), DW-RED (i.e. combination of DCRED with dividing wall) (Yang et al, 2022b;Liu et al, 2022;Yan et al, 2022), and integrating side-stream extractive distillation with VRHP (Yang et al, 2022a). Most of the recent studies today always demonstrate lower energy consumption, TAC, and CO 2 emission as compared to the earlier processes (i.e.…”

Section: Potential Process Intensificationmentioning

confidence: 99%

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Recent progress on hybrid reactive-extractive distillation for azeotropic separation: A short review

2022

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The reactive-extractive distillation (RED) has the advantages of combining the beneficial features of both reaction and separation processes. Relative to the conventional reactive or extractive distillation-based processes, the RED is also less energy intensive as it relies on the reaction heat produced for the subsequent separation process. Therefore, the application of RED for ternary azeotropic separation has become the subject of popular interest, as evident by the increasing number of publications since 2020. This review paper is the first that puts together, in a chronological manner, all the existing studies on the RED to date, starting from the initial three column reactive-extractive distillation (TCRED) to the most recent dividing wall reactive-extractive distillation (DW-RED), for ternary azeotropic separation, so that the rapid progress in this area is summarised and any existing gaps in these studies become easier to identify for future work. The last part of this review provides three potential areas for future work, i.e. analysis of the sustainability of RED, combination of different process intensification strategies to improve the energy efficiency and separation performance, and further exploration on the control studies for the RED.

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Section: Current Statuscontrasting

confidence: 70%

Section: Current Statusmentioning

confidence: 77%

Section: Sustainability Of Redmentioning

confidence: 99%

Section: Potential Process Intensificationmentioning

confidence: 99%

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Recent progress on hybrid reactive-extractive distillation for azeotropic separation: A short review

2022

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“…1,58 It is also often used as one of the objective functions for the multi-objective optimization of different distillation-based processes. 59,60…”

Section: W= G⊍v H ð9þmentioning

confidence: 99%

Analyzing the sustainability of intensified side‐stream extractive distillation for binary azeotropic separation: a comparative study

Kong

Sánchez‐Ramírez

Yang

et al. 2023

J of Chemical Tech & Biotech

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BACKGROUND: The sustainability performance of extractive distillation (ED) that collectively considers energy efficiency, process safety, economic profitability, process control, and environmental emission has not been widely reported. Motivated by this lack of research, we analyzed and compared the sustainability performance of the intensified side-stream ED (SSED) with that of the conventional extractive distillation (CED) for the separation of binary azeotropic mixtures. Two different design approaches were analyzed; the first approach involves designing the intensified SSED by preserving the original CED column configuration, while the second approach involves optimizing the original column configuration to become a new intensified SSED configuration. RESULTS: We found that preserving the original configuration usually provides energy-savings, but this advantage is not guaranteed unless the process is optimized. Generally, the reduction in energy consumption improves economic and environmental performance. However, the optimized design has a higher risk index because it is usually larger in size, for the sake of lowering the energy consumption. In addition, the optimized design usually has a higher condition number, which signifies that a more complex control structure is required. CONCLUSION: Altogether, designing the intensified process via process optimization does not always guarantee significant improvement in all sustainability indicators.

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Control of Hybrid Reactive–Extractive Distillation Systems for Ternary Azeotropic Mixtures

Kong,

Lee

2024

Control and Safety Analysis of Intensified Chemical Processes

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Design and multi-objective optimization of reactive-extractive dividing wall column with organic Rankine cycles considering safety

Cited by 49 publications

References 44 publications

Recent progress on hybrid reactive-extractive distillation for azeotropic separation: A short review

Recent progress on hybrid reactive-extractive distillation for azeotropic separation: A short review

Analyzing the sustainability of intensified side‐stream extractive distillation for binary azeotropic separation: a comparative study

Control of Hybrid Reactive–Extractive Distillation Systems for Ternary Azeotropic Mixtures

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