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Modelling the process of kaolinite leaching from a copper mine flotation waste

Published online by Cambridge University Press:  09 July 2018

I. Djurić ,
I. Mihajlović ,
D. Bogdanović  and
Ž. Živković
I. Djurić
Affiliation:
University of Belgrade, Technical Faculty in Bor, Vojske Jugoslavije 12, 19210 Bor, Serbia
I. Mihajlović*
Affiliation:
University of Belgrade, Technical Faculty in Bor, Vojske Jugoslavije 12, 19210 Bor, Serbia
D. Bogdanović
Affiliation:
University of Belgrade, Technical Faculty in Bor, Vojske Jugoslavije 12, 19210 Bor, Serbia
Ž. Živković
Affiliation:
University of Belgrade, Technical Faculty in Bor, Vojske Jugoslavije 12, 19210 Bor, Serbia
*
*E-mail: imihajlovic@tf.bor.ac.rs
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Abstract

This paper presents the results of acidic leaching of kaolinite from the flotation waste of the RTB Bor copper mine, Serbia. The kaolinitic concentrate from the flotation waste contains 32% Al2O3. Kinetic investigations were conducted on the leaching of kaolinite roasted at 750°C for 60 min under air using H2SO4, HNO3 and HCl. Activation energies for the process were 74, 63 and 63.2 kJ mol–1 for sulphuric, nitric and hydrochloric acids, respectively. The kinetic function D3: [1 – (1 – α)1/3]2 = kt was chosen to describe the fractional conversion dependence on time and temperature. This enabled effective management of the leaching process to be carried out.

Keywords

kaolinitekineticsleachingacidsH2SO4HNO3HClBor copper mineSerbia
Type
Research Article
Information
Clay Minerals , Volume 45 , Issue 1 , March 2010 , pp. 107 - 114
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 2010

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References

Bazin, C., Ouassiti, K. & Ouellet, V. (2007) Sequential leaching for the recovery of alumina from a Canadian clay. Hydrometallurgy, 88, 196–201.Google Scholar
Bengston, K.B. (1979) A technological comparison of six processes for the production of reduction grade alumina from non bauxite raw materials. Pp. 217–312 in: Light Metals, 1979 (Peterson, W.S., editor) TMS, Warrendale, PA, USA.Google Scholar
Chakraborty, A.K. (2003) DTA study of preheated kaolinite in the mullite formation region. Thermochimica Ada, 398, 203–209.Google Scholar
Chen, Y.F., Wang, M.C. & Hon, M.H. (2004) Phase transformation and growth of mullite in kaolin ceramics. Journal of the European Ceramic Society, 24, 2389–2397.CrossRefGoogle Scholar
Habashi, F. (1993) A Textbook of Hydrometallurgy. Metallurgie Ekstractive Quebec Inc., Ste-Fou, Quebec, Canada.Google Scholar
Halis, M., Akowa, O. & Tagraf, H. (2007) The relationship between ethics and quality: conflicts and common grounds. Serbian Journal of Management, 2, 127–145.Google Scholar
Hamer, C.A., Quon, D.H. & Winer, A.A. (1978) Extraction of alumina from Canadian non-bauxite materials. Pp. 96–107 in. Proceeedings of the 4th International Congress of ICSOBA, 3, Athens, Greece.Google Scholar
Hammes, G.G. (1978) Principles of chemical kinetics. Academic Press, London, United Kingdom, 24-70.Google Scholar
Hills, A.W.D. (1966) Role of heat and mass transfer in gas-solid reactions involving two solid phases within sintered pallets. Pp. 39–77 in: Proceedings of a symposium held by John Percy Research Group in Process Metallurgy (Hills, A.W.D., editor), Imperial College, London,Google Scholar
Mihajlović, I., Štrbac, N., Živković, Z. & Ilić, I. (2005) Kinetics and mechanism of As2S2 oxidation. Journal of the Serbian Chemical Society, 70, 869–877.CrossRefGoogle Scholar
Mihajlović, I. I., Štrbac, N., Živković, Z., Kovaçević, R. & Štehernik, M. (2007) A potential method for arsenic removal from copper concentrates. Minerals Engineering, 20, 26–33.CrossRefGoogle Scholar
Minić, D., Štrbac, N., Mihajlović, I. I. & Zivkovic, Z. (2005) Thermal analysis and kinetics of the copper-lead matte roasting process. Journal of Thermal Analysis and Calorimetry, 82, 383–388.CrossRefGoogle Scholar
MLAB, Civilized Software, Inc. Available from: <http://www.civilized.com>..>Google Scholar
Olanipekun, E.O. (2000) Kinetics of leaching laterite. International Journal of Mineral Processing, 60, 9–14.CrossRefGoogle Scholar
Parnell, J. (2006) Reassessing the ‘think global act local’ mandate: evaluation and synthesis. Serbian Journal of Management, 1, 21–28.Google Scholar
Paul, M., Seferinoglu, M., Aycik, G.A., Sandstrom, A., Smith, L.M. & Paul, J. (2006) Acid leaching of ash and coal: Time dependence and trace element occurrences. International Journal of Mineral Processing. 79, 27–41.CrossRefGoogle Scholar
Reddy, B.R., Mishra, S.K. & Banerjee, G.N. (1999) Kinetics of leaching of gibbsite bauxite with hydrochloric acid. Hydrometallurgy. 51, 131–138.Google Scholar
Sawyer, D.L., Turner, T.L. & Hunter, D.B. (1983) Alumina miniplant operations — overall mass balance for clay—HC1 acid leaching. U.S. Bureau of Mines, Report 8759, 29 pp.Google Scholar
Sharp, J.H., Brindley, G.W. & Narahari, B.N. (1966) Numerical data for some commonly used solid state reaction equations. Journal of American Ceramic Society. 49, 379–382.Google Scholar
Shomorgunenko, N.S., Eremin, N.I. & Petelko, P.S. (1974/75) Complex treatment of high-silica raw materials by sintering with limestone to produce alumina and cement, Rudarsko — metalurki zbornik, 2-3, 173-178. (in Slovenian).Google Scholar
Winer, A.A. & Quon, D.H. (1979) Non-bauxite sources of alumina in Canada. TRAVAUX of ICSOBA, 10(15): 209-222.Google Scholar
Zhukovski, V.M. (2000) Thermodynamics of environment. Journal of Mining and Metallurgy, Section B , Metallurgy, 36, 93–102.Google Scholar
Živković, Z., Pacović, N. & Randjić, D. (1981) Treatment of flotation tailings and kaolinite recovery from Bor copper mines. TRAVAUX of ICSOBA, 11, 133–137.Google Scholar
Živković, Z., Ćirković, I. & Črnko, J. (1982) Possibilities for alumina production from Bor copper flotation tailings by acid treatment. Pp. 53–62 in: Alumina Production until 2000. ICSOBA Symposium. TRAVAUX of ICSOBA, 12. Google Scholar
Živković, Z., Črnko, J. & Sretenović, G. (1983) Kinetics and mechanism of the acid kaolin leaching process. Pp. 63–67 in: Leaching and Diffusion in Rocks and Their Weathering Products (Augustithis, S.S., editor), Theophrastus Publications, Athens, Greece.Google Scholar