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ASPAD dynamic simulation and artificial neural network for atenolol adsorption in GGSWAC packed bed column

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Abstract

This study aimed to assess the dynamic simulation models provided by Aspen adsorption (ASPAD) and artificial neural network (ANN) in understanding the adsorption behavior of atenolol (ATN) on gasified Glyricidia sepium woodchips activated carbon (GGSWAC) within fixed bed columns for wastewater treatment. The findings demonstrated that increasing the bed height from 1 to 3 cm extended breakthrough and exhaustion times while enhancing adsorption capacity. Conversely, higher initial ATN concentrations resulted in shorter breakthrough and exhaustion times but increased adsorption capacity. Elevated influent flow rates reduced breakthrough and exhaustion times while maintaining constant adsorption capacity. The ASPAD software demonstrated competence in accurately modeling the crucial exhaustion points. However, there is room for enhancement in forecasting breakthrough times, as it exhibited deviations ranging from 6.52 to 239.53% when compared to the actual experimental data. ANN models in both MATLAB and Python demonstrated precise predictive abilities, with the Python model (R2 = 0.985) outperforming the MATLAB model (R2 = 0.9691). The Python ANN also exhibited superior fitting performance with lower MSE and MAE. The most influential factor was the initial ATN concentration (28.96%), followed by bed height (26.39%), influent flow rate (22.43%), and total effluent time (22.22%). The findings of this study offer an extensive comprehension of breakthrough patterns and enable accurate forecasts of column performance.

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Acknowledgements

The authors thankfully acknowledge the support obtained from Universiti Malaysia Perlis (UniMAP) in the form of sponsorship and facilities.

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GKZ: conceptualization, methodology, software, validation, analysis, investigation, data curation, writing—original draft preparation, and visualization. AA: resources, writing—reviewing and editing, and supervision. MA: supervision and project administration.

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Correspondence to Anis Atikah Ahmad.

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Hereby, I, Anis Atikah Ahmad consciously assure that for the manuscript “ASPAD Dynamic Simulation & Artificial Neural Network for Atenolol Adsorption in GGSWAC Packed Bed Column”, the following is fulfilled:

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    The paper reflects the authors' own research and analysis in a truthful and complete manner.

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    All authors have been personally and actively involved in substantial work leading to the paper, and will take public responsibility for its content.

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The authors declare no competing interests.

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Responsible Editor: Guilherme Luiz Dotto

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Goh, K.Z., Ahmad, A.A. & Ahmad, M.A. ASPAD dynamic simulation and artificial neural network for atenolol adsorption in GGSWAC packed bed column. Environ Sci Pollut Res 31, 1158–1176 (2024). https://doi.org/10.1007/s11356-023-31177-1

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  • DOI: https://doi.org/10.1007/s11356-023-31177-1

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