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Process optimization of nickel extraction from hazardous waste

Treść / Zawartość
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Zinc plant residue is a hazardous waste which contains high quantity of nickel and other valuable metals. Process parameters such as reaction time, acid concentration, solid-liquid ratio, particle size, stirring speed and temperature for nickel extraction from this waste were optimized using factorial design. Main effects and their interactions were obtained by the analysis of variance ANOVA. Empirical regression model was obtained and used to predict nickel extraction with satisfactory results and to describe the relationship between the predicted results and the experiment results. The important parameters for maximizing nickel extraction were identifi ed to be a leaching time solid-liquid ratio and acid concentration. It was found that above 90% of nickel could be extracted in optimum conditions
Rocznik
Strony
29--40
Opis fizyczny
Bibliogr. 34 poz., tab., wykr.
Twórcy
autor
autor
  • School of Mining Engineering, College of Engineering, University of Teheran, Kargar St., Teheran, Iran, m.gharabaghi@gmail.com
Bibliografia
  • [1] N. Alane, S. Djerad, L. Tifouti: Acid Leaching of Zinc from ZNO/Al2O3 Catalyst, Lebanese Science Journal, Vol. 9, No. 2, 63-74 (2008).
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  • [4] H.S. Altundoğan, M. Erdem, R. Orhan, A. Özer, F. Tümen: Heavy Metal Pollution Potential of Zinc Leach Residues discarded in Çinkur Plant, Turkish Journal of Engineering and Environmental Science, 22, 167-177 (1998).
  • [5] M.D. Turan, H.S. Altundogan, F. Tümen: Recovery of zinc and lead from zinc plant residue, Hydrometallurgy, 75, 169 176 (2004).
  • [6] M.S. Safarzadeh, D. Moradkhani, M. Ojaghi Ilkhchi: Kinetics of sulfuric acid leaching of cadmium from Cd-Ni zinc plant residues, Journal of Hazardous Materials, 163, 880-890 (2009).
  • [7] M. Gharabaghi, M. Irannajad, A.R. Azadmehr: Acidic leaching of cadmium from zinc plant residue, Physicochem. Problem of Mineral Processing, 47, 91-104 (2011).
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  • [23] G. Senanayake, A. Senaputra, M.J. Nicol: Effect of thiosulfate, sulfide, copper(II), cobalt(II)/(III) andiron oxides on the ammoniacal carbonate leaching of nickel and ferronickel in the Caron process, Hydrometallurgy, 105, 60-68 (2010).
  • [24] M.S. Safarzadeh, D. Moradkhani: The effect of heat treatment on selective separation of nickel from Cd-Ni zinc plant residues, Separation and Purifi cation Technology, 73, 339-341 (2010).
  • [25] I.H. Lee, Y.-C. Kuan, J.-M. Chern: Factorial experimental design for recovering heavy metals from sludge with ion-exchange resin, Journal of Hazardous Materials, 138, 549-559 (2006).
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  • [34] A. Bose: Factorial Design of Experiments, Examples & Exercises in: BIMITECH, 2009, pp. 38.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS8-0024-0003
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