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Journal of Materials Science and Chemical Engineering, 2021, 9, 39-54 https://www.scirp.org/journal/msce ISSN Online: 2327-6053 ISSN Print: 2327-6045 Analysis of CO2 Pressure Swing Adsorption Simulation by Considering the Transport Phenomena in the Adsorber Takehiro Esaki1*, Hideaki Kuronuma2, Noriyuki Kobayashi2 1Department of Chemical Engineering, Faculty of Engineering, Fukuoka University, Fukuoka, Japan 2Chemical systems engineering, Graduate School of Engineering, Nagoya University, Aichi, Japan Abstract This study focused on CO2 separation technology with adsorption. This paper describes the analysis carried out by a CO2 pressure swing adsorption simula- tion to scale up the absorber. An unsteady one-dimensional balance model was constructed by considering the material, energy, and momentum. In the CO2 breakthrough test, the beginning time and CO2 concentration at outlet of CO2 breakthrough in the calculation were almost equivalent to that of expe- riment results. The correlation consistency of the calculation results with the analysis model and the experimental results obtained by a bench scale expe- riment was evaluated. The transport phenomena in the adsorber were inves- tigated at the adsorption, rinse, and desorption steps according to the calcula- tion results. The starting time of CO2 breakthrough obtained by the analysis is equal to that obtained by the adsorption breakthrough experiment. This con- firms that the CO2 adsorption, and the temperature and velocity distribution in the adsorber, change as a function of the adsorption, rinse, and desorption steps, respectively. Additionally, the CO2 concentration of the captured gas and the amount of CO2 quantity were 93.4% per day and 2.9 ton/day, respec- tively. These values are equal to those obtained by the bench scale experi- ment. Keywords Carbon Dioxide Separation, Pressure Swing Adsorption, Numerical Analysis 1. Introduction Currently, global warming is considered as a global problem, and various global warming prevention measures are being developed. Carbon dioxide (CO2) is How to cite this paper: Esaki, T., Kuro- numa, H. and Kobayashi, N. (2021) Analy- sis of CO2 Pressure Swing Adsorption Si- mulation by Considering the Transport Phenomena in the Adsorber. Journal of Materials Science and Chemical Engineer- ing, 9, 39-54. https://doi.org/10.4236/msce.2021.93004 Received: October 23, 2020 Accepted: March 28, 2021 Published: March 31, 2021 Copyright © 2021 by author(s) and Scientific Research Publishing Inc. This work is licensed under the Creative Commons Attribution International License (CC BY 4.0). http://creativecommons.org/licenses/by/4.0/ Open Access DOI: 10.4236/msce.2021.93004 Mar. 31, 2021 39 Journal of Materials Science and Chemical EngineeringPDF Image | Analysis of CO2 Pressure Swing Adsorption
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