Artificial neural network prediction of Al2O3 leaching recovery in the Bayer process-Jajarm alumina plant (Iran)

Hydrometallurgy

Volumn 97, Issue 1-2, 2009, Pages 105-110

  Chehreh Chelgani, S ^a   Jorjani, E ^a  

^a ISLAMIC AZAD UNIVERSITY   (Iran)

Author keywords

Alumina; Bayer process; Leaching; Neural networks

Indexed keywords

ALUMINA LEACHING; ALUMINA PLANTS; ARTIFICIAL NEURAL NETWORKS; BAYER PROCESS; CHEMICAL COMPOSITIONS; CORRELATION COEFFICIENTS; GENERALIZED REGRESSION NEURAL NETWORKS; MULTIVARIABLE REGRESSIONS; RED MUDS; SAMPLE ANALYSIS; VARIABLE SELECTIONS;

ALUMINUM; BACKPROPAGATION; COMPUTER SYSTEM RECOVERY; LEACHING; RECOVERY; REGRESSION ANALYSIS; SILICON COMPOUNDS;

NEURAL NETWORKS;

EID: 67349176711     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2009.01.008     Document Type: Article

References (25)

1. Aldrich C., and Reuter M.A. Monitoring of metallurgical reactors by the use of topographic mapping of process data. Minerals Engineering 12 11 (1999) 1301-1312
2. Anand R.R., Gilkes R.J., and Roach G.I.D. Geochemical and mineralogical characteristics of bauxites, Darling Range. Western Australia Applied Geochemistry 6 3 (1991) 233-248
3. Andrews L., and Merkle R.K.W. Mineralogical factors affecting arsenopyrite oxidation rate during acid ferric sulphate and bacterial leaching of refractory gold ores. Process Metallurgy 9 (1999) 109-117
4. Casali A., Gonzalez G., Vallebuona G., Perez C., and Vargas R. Grindability soft-sensors based on lithological composition and on-line measurements. Minerals Engineering 14 7 (2001) 689-700
5. Chehreh Chelgani S., Hower J.C., Jorjani E., Mesroghli Sh., and Bagherieh A.H. Prediction of coal grindability based on petrography, proximate and ultimate analysis with multiple regression and artificial neural network models. Fuel Processing Technoloty 89 (2008) 13-20
6. Cilek E.C. Application of neural networks to predict locked cycle flotation test results. Minerals Engineering 15 (2002) 1095-1104
7. Demuth H., and Beale M. Neural Network Toolbox for Use with MATLAB. Handbook (2002)
8. Eberhart R.C., and Dobbins R.W. Neural Network PC Tools: A Practical Guide (1999), Academic, New York
9. Goldberg D.E. Genetic Algorithms in Search, Optimization, and Machine Learning (1989), Addison-Wesley, Reading, MA
10. Haykin S. Neural Networks, A Comprehensive Foundation, USA. 2nd ed. (1999), Prentice Hall, USA
11. Heimes F., and van Heuveln B. The normalized radial basis function neural network. IEEE International Conference on Systems, Man, and Cybernetics vol. 2 (1998) 1609-1614
12. Jorjani E., Chehreh Chelgani S., and Mesroghli Sh. Prediction of microbial desulfurization of coal using artificial neural networks. Minerals Engineering 20 (2007) 1285-1292
13. Jorjani E., Chehreh Chelgani S., and Mesroghli Sh. Application of artificial neural networks to predict chemical desulfurization of Tabas coal. Fuel 87 (2008) 2727-2734
14. Li L.Y. A study of iron mineral transformation to reduce red mud tailings. Waste Management 21 6 (2001) 525-534
15. McCormick P.G., Picaro T., and Smith P.A.I. Mechanochemical treatment of high silica bauxite with lime. Minerals Engineering 15 (2002) 211-214
16. Mendelovici E., and Yariv S. Interactions between the iron and the aluminum minerals during the heating of Venezuelan lateritic bauxites. I. Infrared spectroscopy investigation. Thermochimica Acta 45 3 (1981) 327-337
17. Phillips C.V., and Wills K.J. A laboratory study of the extraction of alumina of smelter grade from China clay micaceous residues by a nitric acid route. Hydrometallurgy 9 1 (1982) 15-28
18. Raj D., Harchand K.S., and Maini V. Characterization of iron minerals in bauxite. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 76 1-4 (1993) 242-243
19. Shayestehfar M.R., Karimi Nasab S., and Mohammadalizadeh H. Mineralogy, petrology, and chemistry studies to evaluate oxide copper ores for heap leaching in Sarcheshmeh copper mine, Kerman, Iran. Journal of Hazardous Materials 154 1-3 (2008) 602-612
20. Singh V., and Rao S.M. Application of image processing and radial basis neural network techniques for ore sorting and ore classification. Minerals Engineering 18 15 (2005) 1412-1420
21. Specht D.F. A general regression neural network. IEEE Transactions on Neural Networks 2 (1991) 568-576 (Nov)
22. Specht D.F. Enhancements to probabilistic neural network. Proceedings of the International Joint Conference on Neural Network vol. 1 (1991) 761-768
23. SPSS. Version 13, SPSS Inc., Help Files (2004)
24. USGS year book. Bauxite and alumina (2005) 10.1-10.12
25. Yariv S., Mendelovici E., and Villalba R. Interactions between the iron and the aluminum minerals during the heating of Venezuelan lateritic bauxites. II. X-ray diffraction study. Thermochimical Acta 45 3 (1981) 339-348