Deep learning-driven green solvent design and process intensification towards isopropyl alcohol-water azeotrope system

IF 8.1 1区 工程技术 Q1 ENGINEERING, CHEMICAL
Qin Wang, Pan Dai, Ao Yang, Weifeng Shen, Jun Zhang
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引用次数: 0

Abstract

Extraction distillation and azeotropic distillation are two important methods for separating isopropyl alcohol (IPA) and water azeotrope. However, azeotropic distillation is generally more energy-intensive than extractive distillation separation process. Therefore, solvent design and process intensification for the extractive distillation process are the keys to addressing the problems of azeotropic separation and reducing energy consumption. In this contribution, a deep learning-based solvent high throughput screening framework was proposed to design the green solvent for separating the IPA/water mixtures. All properties, such as thermodynamic properties and EH&S properties, used for screening were predicted by the deep learning-based predictive models. From more than 108 individual molecules, five green solvent candidates were screened for the separation of IPA/water azeotrope. The energy consumption analysis of 5 solvents shows that ethylene glycol as solvent has the lowest separating energy consumption. Finally, the heat integration and heat pump distillation of the extractive distillation separation process was carried out, and the energy-saving potential reached 45.86%.
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来源期刊
Separation and Purification Technology
Separation and Purification Technology 工程技术-工程:化工
CiteScore
14.00
自引率
12.80%
发文量
2347
审稿时长
43 days
期刊介绍: Separation and Purification Technology is a premier journal committed to sharing innovative methods for separation and purification in chemical and environmental engineering, encompassing both homogeneous solutions and heterogeneous mixtures. Our scope includes the separation and/or purification of liquids, vapors, and gases, as well as carbon capture and separation techniques. However, it's important to note that methods solely intended for analytical purposes are not within the scope of the journal. Additionally, disciplines such as soil science, polymer science, and metallurgy fall outside the purview of Separation and Purification Technology. Join us in advancing the field of separation and purification methods for sustainable solutions in chemical and environmental engineering.
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