1 Santos, S.M.C., Machado, R.M., Correia, M.J.N., Reis, M.T.A., Ismael, M.R.C., Carvalho, J.M.R., "Ferric sulphate/chloride leaching of zinc and minor elements from a sphalerite concentrate", Miner. Eng., 23 (8), 606-615 (2010).2 Dutrizac, J.E., "The dissolution of sphalerite in ferric sulfate media", Met. Trans. B, 37 (2), 161-171 (2006).3 Verbaan, B., Crundwell, F.K., "An electrochemical model for the leaching of a sphalerite concentrate", Hydrometallurgy, 16, 345-359 (1986).4 Crundwell, F.K., "Kinetics and mechanism of the oxidative dissolution of a zinc sulphide concentrate in ferric sulphate solution", Hydrometallurgy, 19, 227-242 (1987).5 Leandro, H., Pauline, R., Juan, C.A., Alexis, F., "A new spectrophotometric method for the determination of ferrous iron in the presence of ferric iron", J. Chem. Tech. Biotechnol., 44, 171-181 (1989).6 Crundwell, F.K., "Effect of iron impurity in zinc sulphide concentrates on the rate of dissolution", AIChE J., 34, 1128-1134 (1988).7 Perez, I.P., Dutrizac, J.E., "The effect of the iron content of sphalerite on its rate of dissolution in ferric sulphate and ferric chloride media", Hydrometallurgy, 26, 211-232 (1991).8 Boon, M., "The mechanism and kinetic model of pyrite (FeS2) oxidation with Leptospirillum-like bacteria", Ph.D. Thesis, TU Delft, The Netherlands, Chapter 7, 279-344 (1996).9 Suni, J., Henein, H., Warren, G.W., Reddy, D., "Modelling the leaching kinetics of a sphalerite concentrate size distribution in ferric chloride solution", Hydrometallurgy, 22, 25-38 (1989).10 Aydogan, S., Aras, A., Canbazoglu, M., "Dissolution kinetics of sphalerite in acidic ferric chloride leaching", Chem. Eng. J., 114, 67-72 (2005).11 Levensplel, O., Chemical Reaction Engineering, 2nd edition, John Wiley & Sons, New York (1972).12 Boon, M., Snijder, M., Hansford, G.S., Heijnen, J.J., "The oxidation kinetics of zinc sulphide with Thiobacillus ferrooxidans", Hydrometallurgy, 48, 171-186 (1998).13 Fowler, T.A., Crundwell, F.K., "Leaching of zinc sulfide by Thiobacillus ferrooxidans: Bacterial oxidation of the sulfur product layer increases the rate of zinc sulfide dissolution at high concentrations of ferrous ions", Appl. Environ. Microbiol., 65 (12), 5285-5292 (1999).14 Dutrizac, J.E., MacDonald, R.J.C., "The dissolution of sphalerite in ferric chloride solutions", Metall. Trans., 9 (B), 543-551 (1978).15 Ngoc, N.V., Shamsuddin, M., Prasad, P.M., "Oxidative leaching of an off-grade complex copper concentrate in chloride lixiviants", Metall. Trans., 21 (B), 611-620 (1990).16 Markus, H., Fugleberg, S., Valtakari, D., Salmi, T., Murzin, D.Y., Lahtinen, M., "Reduction of ferric to ferrous with sphalerite concentrate, kinetic modeling", Hydrometallurgy, 73, 269-282 (2004). |