Computational Modeling and Machine Learning for Predicting the Volumetric Flows in Crude Distillation Units: A Detailed Simulation and Validation Approach

Authors

  • Daniel Chuquín-Vasco Universitat Politécnica de Valencia, Valencia, España
  • Julian Osorio-Getial SOLMA, Advanced Mechanical Solutions, Mechanical Engineering, and Construction Services, Quito, Ecuador
  • Nelson Chuquín-Vasco Escuela Superior Politécnica de Chimborazo (ESPOCH), Riobamba, Ecuador
  • Juan Chuquín-Vasco Escuela Superior Politécnica de Chimborazo (ESPOCH), Riobamba, Ecuador
  • Diana Aguirre-Ruiz Escuela Superior Politécnica de Chimborazo (ESPOCH), Riobamba, Ecuador
  • Fernando Mejía-Peñafiel Escuela Superior Politécnica de Chimborazo (ESPOCH), Riobamba, Ecuador

DOI:

https://doi.org/10.18321/ectj1659

Keywords:

Artificial Neuronal Networks, Crude, DWSIM, MATLAB, Naphta

Abstract

This research presents a predictive model based on Artificial Neural Networks (ANNs) for the prediction of molar flows in Crude Distillation Units (CDUs). Through rigorous simulation in DWSIM, a database of 350 points was generated, correlating the True Boiling Point (TBP) distillation temperatures of crude oil with the volumetric flows of light and heavy naphtha, distillates, and residue. An ANN with 10 inputs, 20 hidden neurons, and 5 outputs was trained using Levenberg-Marquardt (LM), Bayesian Regularization (BR), and Scaled Conjugate Gradient (SCG) algorithms. The BR algorithm demonstrated superior performance, achieving a mean squared error (MSE) of 2.6904E-04 and a regression coefficient (R) of 0.9971 during the testing phase. Validation with experimental data confirmed the accuracy of the model, with average percentage errors of less than 0.68% for all products except residue (6.4%). ANOVA analysis (95% confidence) corroborated the statistical robustness of the ANN. This predictive tool will allow for the optimization of CDU design and operation, with a focus on energy efficiency and minimizing environmental impact. The study discusses the implications for real-time integration with control systems.

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Published

08-07-2025

How to Cite

Chuquín-Vasco, D., Osorio-Getial, J., Chuquín-Vasco, N., Chuquín-Vasco, J., Aguirre-Ruiz, D., & Mejía-Peñafiel, F. (2025). Computational Modeling and Machine Learning for Predicting the Volumetric Flows in Crude Distillation Units: A Detailed Simulation and Validation Approach. Eurasian Chemico-Technological Journal, 27(2), 111–125. https://doi.org/10.18321/ectj1659

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