International Journal of Nonferrous Metallurgy

Volume 5, Issue 3 (July 2016)

ISSN Print: 2168-2054   ISSN Online: 2168-2062

Google-based Impact Factor: 0.63  Citations  

Estimation of Copper and Molybdenum Grades and Recoveries in the Industrial Flotation Plant Using the Artificial Neural Network

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DOI: 10.4236/ijnm.2016.53004    1,904 Downloads   3,667 Views  Citations

ABSTRACT

In this paper, prediction of copper and molybdenum grades and their recoveries of an industrial flotation plant are investigated using the Artificial Neural Networks (ANN) model. Process modeling has done based on 92 datasets collected at different operational conditions and feed characteristics. The prominent parameters investigated in this network were pH, collector, frother and F-Oil concentration, size percentage of feed passing 75 microns, moisture content in feed, solid percentage, and grade of copper, molybdenum, and iron in feed. A multilayer perceptron neural network, with 10:10:10:4 structure (two hidden layers), was used to estimate metallurgical performance. To obtain the optimal hidden layers and nodes in a layer, a trial and error procedure was done. In training and testing phases, it achieved quite correlations of 0.98 and 0.93 for Copper grade, of 0.99 and 0.92 for Copper recovery, of 0.99 and 0.92 for Molybdenum grade and of 0.99 and 0.94 for Molybdenum recovery prediction, respectively. The proposed neural network model can be applied to determine the most beneficial operational conditions for the expected Copper and Molybdenum grades and their recovery in final concentration of the industrial copper flotation process.

Share and Cite:

Allahkarami, E. , Nuri, O. , Abdollahzadeh, A. , Rezai, B. and Chegini, M. (2016) Estimation of Copper and Molybdenum Grades and Recoveries in the Industrial Flotation Plant Using the Artificial Neural Network. International Journal of Nonferrous Metallurgy, 5, 23-32. doi: 10.4236/ijnm.2016.53004.

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