Simulation and heat exchanger network designs for a novel single-column cryogenic air separation process

Quancong Zhang; Zuqian Wu; Zhikai Cao; Qingyin Jiang; Hua Zhou

doi:10.1016/j.cjche.2018.08.014

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Simulation and heat exchanger network designs for a novel single-column cryogenic air separation process

Selected Papers on Sustainable Chemical Process Systems | Updated：2026-01-06

- Simulation and heat exchanger network designs for a novel single-column cryogenic air separation process
- Simulation and heat exchanger network designs for a novel single-column cryogenic air separation process
- 中国化学工程学报（英文版） 2019年27卷第7期页码：1498-1509
- Affiliations：
  
  Department of Chemical and Biochemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols-Ethers-Esters, College of Chemistry & Chemical Engineering, Xiamen University,Xiamen,China,361005
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.08.014
  中图分类号：
- 纸质出版：2019
- Accepted：
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Quancong Zhang, Zuqian Wu, Zhikai Cao, 等. Simulation and heat exchanger network designs for a novel single-column cryogenic air separation process[J]. 中国化学工程学报（英文版）, 2019,27(7):1498-1509.

Quancong Zhang, Zuqian Wu, Zhikai Cao, Qingyin Jiang, Hua Zhou. Simulation and heat exchanger network designs for a novel single-column cryogenic air separation process[J]. Chinese Journal of Chemical Engineering, 2019, 27(7): 1498-1509.
Quancong Zhang, Zuqian Wu, Zhikai Cao, 等. Simulation and heat exchanger network designs for a novel single-column cryogenic air separation process[J]. 中国化学工程学报（英文版）, 2019,27(7):1498-1509. DOI： 10.1016/j.cjche.2018.08.014.

Quancong Zhang, Zuqian Wu, Zhikai Cao, Qingyin Jiang, Hua Zhou. Simulation and heat exchanger network designs for a novel single-column cryogenic air separation process[J]. Chinese Journal of Chemical Engineering, 2019, 27(7): 1498-1509. DOI： 10.1016/j.cjche.2018.08.014.

摘要

Abstract

To realize the industrialization of the novel single-column air separation process proposed in previous work

steady-state simulation for four different configurations of the single-column process with ternary (nitrogen

oxygen and argon) is developed. Then

exergy analysis of the single-column processes is also carried out and compared with the conventional double-column air separation process at the same capacity. Furthermore

based on the steady-state simulation of single-column processes

the different heat exchanger networks (HENs) for the main heat exchanger and subcooler in each process are designed. To obtain better performance for this novel process

optimization of process configuration and operation is investigated. The optimal condition and configuration for this process is consisted as:feedstock is divided into two streams and the reflux nitrogen is compressed at the approximate temperature of 301 K. In addition

HEN is optimized to minimize the utilities. HENs without utilities are obtained for the four different configurations of single-column process. Furthermore

capital costs of the HEN for different cases are estimated and compared.

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