Journal
ARABIAN JOURNAL OF CHEMISTRY
Volume 15, Issue 7, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.arabjc.2022.103915
Keywords
Bioenergy production; Fatty acid methyl ester (FAME); Optimization and analysis; Transesterification process; Machine learning method
Categories
Funding
- Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia [PNURSP2022R99]
- Taif University, Taif, Saudi Arabia [TURSP-2020/260]
- South Ural State University (Russian Federation)
- Taif University, Taif, Saudi Arabia
- Zhangir Khan Agrarian Technical University (Republic of Kazakhstan)
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There is a growing attention to bio and renewable energies due to the depletion of fossil fuels and global warming. In this study, a modeling and simulation method using artificial intelligence (AI) was developed to predict the production of bioenergy from vegetable bean oil. Various AI methods were applied to predict the yield of Fatty acid methyl esters (FAME) production, and the models were evaluated using different metrics. The results showed high accuracy and the boosted SVR and ANN models demonstrated better prediction efficiency.
There is a growing attention to the bio and renewable energies due to fast depletion of fossil fuels as well as the global warming problem. Here, we developed a modeling and simulation method by means of artificial intelligence (AI) for prediction of the bioenergy production from vegetable bean oil. AI methods are well known for prediction of complex and nonlinear process. Three distinct Adaptive Boosted models including Huber regression, LASSO, and Support Vector Regression (SVR) as well as artificial neural network (ANN) were applied in this study to predict actual yield of Fatty acid methyl esters (FAME) production. All boosted utilizing the Adaptive boosting algorithm. The important influencing parameters on the biodiesel production such as the catalyst loading (CAO/Ag, wt%) and methanol to oil (Soybean oil) molar ratio were selected as the input variables of models while the yield of FAME production was selected as output. Model hyper-parameters were tuned to maintain generality while improving prediction accuracy. The models were evaluated using three distinct metrics Mean Absolute Error (MAE), Root Mean Square Error (RMSE), and R-2. Error rates of 8.16780E-01, 4.43895E-01, 2.06692E + 00, and 3.92713 E-01 were obtained with the MAE metric for boosted Huber, SVR, LASSO and ANN models. On the other hand, the RMSE error of these models were about 1.092E-02, 1.015E-02, 2.669E-02, and 1.01174E-02, respectively. Finally, the R-square score were calculated for boosted Huber, boosted SVR, and boosted LASSO as 0.976, 0.990, 0.872, and 0.99702, respectively. Therefore, it can be concluded that although the boosted SVR and ANN models were better models for prediction of process efficiency in terms of error, but all algorithms had high accuracy. The optimum yield of 83.77% and 81.60% for biodiesel production were observed at optimum operating values from boosted SVR and ANN models, respectively. (C) 2022 The Author(s). Published by Elsevier B.V. on behalf of King Saud University.
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