Recent Advances in Gas Separation and Purification

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Separation Engineering".

Deadline for manuscript submissions: 10 June 2025 | Viewed by 807

Special Issue Editor

School of energy and environmental engineering, University of Science and Technology Beijing, Beijing, China
Interests: gas separation and purification

Special Issue Information

Dear Colleagues,

Gas separation and purification technology is very important in the process of chemical production and environmental protection. This Special Issue on “Recent Advances in Gas Separation and Purification” aims to curate novel advances in the development and application of gas separation and purification technology to address the efficient separation, recycling, and utilization of gas products and to reduce the emission of greenhouse gases and pollutants. Topics include, but are not limited to, the following:

  • Development of new materials and processes for gas separation and purification;
  • Development of theoretical analysis and numerical simulation of gas separation and purification.

Dr. Xiong Yang
Guest Editor

Manuscript Submission Information

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Keywords

  • adsorption
  • absorption
  • membrane
  • catalysis
  • gas separation
  • gas purification
  • zeolite
  • active carbon
  • catalyst
  • PSA
  • TSA

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Published Papers (1 paper)

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Research

21 pages, 4592 KiB  
Article
Experimental Study on Vehicle Pressure Swing Adsorption Oxygen Production Process Based on Response Surface Methodology
by Ye Li, Lisheng Zhao, Shuguang Li, Jianqiu Bei, Haotu Zhong, Yingshu Liu, Quanli Zhang, Ningqi Sun, Ziyi Li, Shifeng Wang and Xiong Yang
Separations 2024, 11(9), 267; https://doi.org/10.3390/separations11090267 - 11 Sep 2024
Viewed by 574
Abstract
In recent years, the number of people driving from plain areas to the western plateau of China has been increasing, and their safety is threatened by acute high-altitude reactions caused by hypoxia. Vehicle-mounted pressure swing adsorption oxygen supply technology can help solve this [...] Read more.
In recent years, the number of people driving from plain areas to the western plateau of China has been increasing, and their safety is threatened by acute high-altitude reactions caused by hypoxia. Vehicle-mounted pressure swing adsorption oxygen supply technology can help solve this problem. For the optimization of vehicle pressure swing adsorption oxygen production, the influence of different pressure equalization methods on oxygen production efficiency was studied. The best oxygen production performance was achieved when the initial upper pressure equalization method and the simultaneous pressure equalization method were used. Using a 160 W air compressor, the product gas flow rate could reach 2.5 L/min with an oxygen concentration of 93.48%. The impact of adsorption time, equalization time, flow rate, and throttle inner diameter on oxygen concentration and recovery rate was analyzed using the response surface method. The order of the four factors affecting oxygen concentration is as follows: flow rate > adsorption time > equalization time > throttle inner diameter. After optimization, the product gas flow rate was 2.6 L/min, the oxygen concentration was 92.11%, and the oxygen recovery rate was 44.51%. Full article
(This article belongs to the Special Issue Recent Advances in Gas Separation and Purification)
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