ISSN: 0256-1115 (print version) ISSN: 1975-7220 (electronic version)
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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received March 30, 2023
Revised May 28, 2023
Accepted June 29, 2023
Acknowledgements
This study was conducted with the support of the Kyungpook National University and Research Insititute of Industrial Science and Technology (RIST) individual project
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Determining adsorbent performance degradation in pressure swing adsorption using a deep learning algorithm and one-dimensional simulator

1Department of Smart Plant Engineering, Kyungpook National University, Sangju 37224, South Korea 2Department of Convergence & Fusion System Engineering, Kyungpook National University, Sangju 37224, South Korea
seongminson@knu.ac.kr
Korean Journal of Chemical Engineering, November 2023, 40(11), 2602-2611(10), 10.1007/s11814-023-1524-x
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Abstract

This study proposes a methodology for diagnosing the degree of performance degradation of the adsorbent in pressure swing adsorption (PSA) plants using a one-dimensional simulator and a time-series deep learningalgorithm. First, a 1D PSA simulator was developed using mathematical models and validated with previously published experimental data. The behavior change of the PSA plant according to the performance degradation was trainedusing a deep learning algorithm based on the developed simulator. The model combines the 1D convolutional neuralnetwork and long-short-term memory (LSTM) network. The prediction of the degradation degree of the internaladsorbent was then presented using a pretrained neural network. The developed methodology demonstrates a meansquared error lower than 106 when predicting the degree of adsorbent degradation from the adsorption-bed-temperature time-series profiles with an example. The methodology can be used to predictive maintenance strategy by identifying PSA performance degradation in real time without stopping operation

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