Using Online Machine Learning Methods for Prediction of the Loss of Alumina and the Caustic Soda and Increasing the Carbonate Contamination in the Bayer Process

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Monsefi Reza; Mahmoudian Mostafa; Salehi Moghadam Nima

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Journal Paper

Paper Information

Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2022 | Volume:40 | Issue:4 (102) Page(s): 309-320

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Information Journal Paper

Title

Using Online Machine Learning Methods for Prediction of the Loss of Alumina and the Caustic Soda and Increasing the Carbonate Contamination in the Bayer Process

Author(s)

Monsefi Reza | Mahmoudian Mostafa | Salehi Moghadam Nima | Issue Writer Certificate

Keywords

Bayer Process

Alumina

Caustic soda

Sodium carbonate

Machine learning

FOGD

NysGD

Abstract

In this study, Machine learning tools were used to investigate the effect of various factors on the waste of Caustic soda (NaOH) and Alumina (Al2O3) and increasing carbonate (Na2CO3) pollution in the first stage of the Bayer Process. The parameters studied in this paper are the concentration of Na2Oc, Na2Ou, Na2Ot and Al2O3 in the output solution to the wet grinding unit. The investigated factors included mass flow rate and chemical analysis of various compounds in bauxite and lime consumed, flow rate and chemical analysis of sodium Alumina solution in a daily basis for 3016 days. In this study, Fourier Online Gradient Descent (FOGD) and NysGD were used to model the process. The results show that the FOGD method has more accuracy and speed of learning than the NysGD method. These results indicate that each of these methods can model the process with high precision.

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APA: Copy

Monsefi, Reza, Mahmoudian, Mostafa, & Salehi Moghadam, Nima. (2022). Using Online Machine Learning Methods for Prediction of the Loss of Alumina and the Caustic Soda and Increasing the Carbonate Contamination in the Bayer Process. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 40(4 (102) ), 309-320. SID. https://sid.ir/paper/1039964/en

Vancouver: Copy

Monsefi Reza, Mahmoudian Mostafa, Salehi Moghadam Nima. Using Online Machine Learning Methods for Prediction of the Loss of Alumina and the Caustic Soda and Increasing the Carbonate Contamination in the Bayer Process. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2022;40(4 (102) ):309-320. Available from: https://sid.ir/paper/1039964/en

IEEE: Copy

Reza Monsefi, Mostafa Mahmoudian, and Nima Salehi Moghadam, “Using Online Machine Learning Methods for Prediction of the Loss of Alumina and the Caustic Soda and Increasing the Carbonate Contamination in the Bayer Process,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 40, no. 4 (102) , pp. 309–320, 2022, [Online]. Available: https://sid.ir/paper/1039964/en

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