Enhanced heat-integrated distillation processes: Simultaneous synthesis via structural modification utilizing the matrix method

Hu, Nan; Wu, Qingpeng; Yue, Han; Ren, Zhongqi; Gu, Junjie; Zhao, Hongkang; Li, Qunsheng

doi:10.1016/j.jclepro.2023.139491

Cited by 2 publications

(1 citation statement)

References 30 publications

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“…The economic evaluation adopted the minimum total annual cost (TAC) including total equipment cost (TCC) and operating cost (OC) as the optimization objective [15]. The equipment cost only considered the components such as heat exchanger, distillation column, plate, etc.…”

Section: Economic Evaluationmentioning

confidence: 99%

The Impact of Feed Composition on Entrainer Selection in the Extractive Distillation Process

Li,

Wu,

Zhao

et al. 2024

Processes

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The selection of entrainers primarily focuses on their ability to alter the relative volatility. However, the impact of feed composition on entrainer selection has often been overlooked. In this study, we conducted two case analyses of the minimum azeotropic mixtures in the ethyl acetate–ethanol and acetone–methanol systems to explore how the feed composition influences the entrainer selection when aiming for maximum economic efficiency. Additionally, the impact of the entrainer type (positive or reverse) on the economic benefits was also investigated. The cases revealed that economic benefits will be notably enhanced when the selected entrainer preferentially targets and removes the low-content component as the light key component. For the two cases studied, when the feed composition was 0.2–0.8, compared to preferentially separating the high-content component, preferentially separating the lower-content component resulted in a reduction in energy consumption by more than 24.14% and 22.72%, respectively. The results show that the ideal entrainer should be capable of converting the higher-content component in the feed into the heavy key component.

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Section: Economic Evaluationmentioning

confidence: 99%

The Impact of Feed Composition on Entrainer Selection in the Extractive Distillation Process

Li,

Wu,

Zhao

et al. 2024

Processes

Self Cite

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Control of Heat-Integrated Distillation Columns: Review, Trends, and Challenges for Future Research

Tahir,

Zhang,

Armstrong

2024

Processes

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Heat-integrated distillation columns (HIDiC) are well known for their high energy efficiency, which has been demonstrated through thorough model-based simulation and practical testing. Despite this advantage, HIDiC systems are fundamentally complicated and provide major hurdles, particularly in terms of dynamic control, complicating their industrial implementation. Ongoing research is critical to improving their stability and scalability, allowing for wider incorporation into industrial processes. This review focuses on the fundamental aspects of HIDiC systems, such as heat transfer models, design improvements, experimental research, modelling, simulation, optimization, and process control techniques. This paper summarizes the present status of research and identifies significant technological obstacles that must be overcome to increase the functionality and industrial applications of HIDiC technology. In response to the increased demand for energy-efficient industrial processes, the analysis also investigates current developments in HIDiC control and optimization methodologies. It evaluates several control approaches, both model-based and data-driven, and their capacity to handle the dynamic complexities seen in HIDiC systems. Furthermore, this paper discusses the most recent optimization efforts targeted at improving product purity, operational flexibility, and overall energy efficiency.

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Enhanced heat-integrated distillation processes: Simultaneous synthesis via structural modification utilizing the matrix method

Cited by 2 publications

References 30 publications

The Impact of Feed Composition on Entrainer Selection in the Extractive Distillation Process

The Impact of Feed Composition on Entrainer Selection in the Extractive Distillation Process

Control of Heat-Integrated Distillation Columns: Review, Trends, and Challenges for Future Research

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