Nashrieh Shimi va Mohandesi Shimi Iran

Nashrieh Shimi va Mohandesi Shimi Iran

Evaluation of a Narrow Neural Network for Predicting Xenon Adsorption Capacity in Metal-Organic Frameworks

Document Type : Research Article

Authors
1 School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, IR. IRAN.
2 Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute (NSTRI), Tehran, IR. IRAN
Abstract
Metal–Organic Frameworks, as advanced porous materials, have wide applications in gas adsorption and separation. In this study, a Narrow Neural Network was utilized to predict the xenon adsorption capacity in hypothetical MOFs. The developed model was trained using six structural features, including Void Fraction, gravimetric and volumetric Surface Area, Pore Limiting Diameter, Largest Cavity Diameter, and Pressure. Data analysis indicated that the model provided optimal performance with an R² value of 0.80 and low RMSE (0.96) and MAE (0.66) values. To validate the model, a HKUST-1 type MOF was synthesized and evaluated. XRD and SEM analyses confirmed its cubic crystalline structure and uniform morphology. The xenon adsorption capacity of HKUST-1 was measured at 25 °C and 1 bar, yielding 1.91 mol/kg, which was in agreement with the model's prediction of 1.53 mol/kg.
Keywords

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