The dissolution of chalcopyrite in chloride solutions: Part 1. the effect of solution potential

Hydrometallurgy

Volumn 103, Issue 1-4, 2010, Pages 108-113

  Velásquez Yévenes, Lilian ^a   Nicol, Michael ^b   Miki, Hajime ^b  

^a UNIVERSIDAD CATÓLICA DEL NORTE   (Chile)

^b MURDOCH UNIVERSITY   (Australia)

Author keywords

Chalcopyrite; Chloride leaching rates; Controlled potential; Mineralogy; Passivation

Indexed keywords

CHALCOPYRITE; CHLORIDE LEACHING RATES; CHLORIDE SOLUTIONS; COPPER CONCENTRATES; COPPER DISSOLUTION; COVELLITE; LEACHING RATES; LINEAR RATE; POTENTIAL CONDITIONS; POTENTIAL WINDOWS;

CHLORINE COMPOUNDS; COPPER COMPOUNDS; COPPER SMELTING; CRYSTALLOGRAPHY; DISSOLVED OXYGEN; HYDROCHLORIC ACID; LEACHING; MINERALOGY; MINERALS; PASSIVATION;

DISSOLUTION;

EID: 77955229878     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2010.03.001     Document Type: Article

References (16)

1. J.E. Dutrizac Ferric ion leaching of chalcopyrite from different localities Metallurgical Transactions B 13B 1982 303 309
2. J.E. Dutrizac Elemental sulphur formation during the ferric chloride leaching of chalcopyrite Hydrometallurgy 23 1990 153 176
3. 2+ ions on the electrochemical dissolution of chalcopyrite in acidic solution Minerals Engineering 15 2002 215 223
4. R.P. Hackl, D.B. Dreisinger, E. Peters, and J.A. King Passivation of chalcopyrite during oxidative leaching in sulfate media Hydrometallurgy 39 1995 25 48
5. N. Hiroyoshi, M. Hirota, T. Hirajima, and M. Tsunekawa A case of ferrous sulfate addition enhancing chalcopyrite leaching Hydrometallurgy 47 1997 37 45
6. N. Hiroyoshi, H. Miki, T. Hirajima, and M. Tsunekawa A model for ferrous-promoted chalcopyrite leaching Hydrometallurgy 57 2000 31 38
7. N. Hiroyoshi, H. Maeda, H. Miki, T. Hirajima, and M. Tsunekawa Enhancement of chalcopyrite leaching by ferrous ions in acidic ferric sulfate solutions Hydrometallurgy 60 2001 185 197
8. N. Hiroyoshi, M. Arai, H. Miki, M. Tsunekawa, and T. Hirajima A new reaction model for the catalytic effect of silver ions on chalcopyrite leaching in sulfuric acid solutions Hydrometallurgy 63 2002 257 267
9. N. Hiroyoshi, S. Kuroiwa, H. Miki, M. Tsunekawa, and T. Hirajima Effects of co-existing metal ions on the redox potential dependence of chalcopyrite leaching in sulfuric acid solutions Hydrometallurgy 87 1-2 2007 1 10
10. I. Lazaro, and M.J. Nicol The mechanism of the dissolution and passivation of chalcopyrite - An electrochemical study Hydrometallurgy 2003, vol. 1 2003 The Minerals, Metals and Materials Society Warrendale, Pennsylvania 405 418
11. M.J. Nicol, and I. Lazaro The role of Eh measurements in the interpretation of the kinetics and mechanism of the oxidation and leaching of sulphide minerals Hydrometallurgy 63 2002 15 22
12. A. Parker, C. Klauber, A. Kougianos, H.R. Watling, and W. van Bronswijk An X-ray photoelectron spectroscopy study of the mechanism of oxidative dissolution of chalcopyrite Hydrometallurgy 71 2003 265 276
13. B. Rivera-Vasquez, G. Viramontes-Gamboa, and D.G. Dixon Leaching of chalcopyrite concentrates in acid ferric sulfate media at controlled redox potential E.M. Domic, J.M. Casas de Prada, HydroProcess 2006, International Workshop on Process Hydrometallurgy 2006 GEGAMIN Santiago, Chile 287 299
14. A. Schippers, and W. Sand Bacterial leaching of metal sulfides proceeds by two indirect mechanisms via thiosulfate or via polysulfides and sulfur Applied and Environmental Microbiology 65 1999 319 321
15. K.A. Third, R. Cord-Ruwisch, and H.R. Watling Control of the redox potential by oxygen limitation improves bacterial leaching of chalcopyrite Biotechnology and Bioengineering 78 2002 433 441
16. H. Yuehua, Q. Guanzhou, W. Jun, and W. Dianzuo The effect of silver-bearing catalysts on bioleaching of chalcopyrite Hydrometallurgy 64 2002 81 88