The kinetics of dissolution of synthetic covellite, chalcocite and digenite in dilute chloride solutions at ambient temperatures

Hydrometallurgy

Volumn 105, Issue 3-4, 2011, Pages 321-327

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

^a MURDOCH UNIVERSITY   (Australia)

^b UNIVERSIDAD CATÓLICA DEL NORTE   (Chile)

Author keywords

Chalcocite; Chloride leaching; Covellite; Digenite; Kinetics; Solution potential

Indexed keywords

AMBIENT TEMPERATURES; CHALCOCITE; CHLORIDE LEACHING; COPPER (II); COPPER DISSOLUTION; COPPER SULPHIDES; COVELLITE; DIGENITE; DILUTE CHLORIDE SOLUTIONS; EFFECT OF TEMPERATURE; EXPERIMENTAL STUDIES; HCL SOLUTION; HEAP LEACHING; MINERAL SURFACES; SURFACE FREE;

ACTIVATION ENERGY; ASTATINE; CHLORIDE MINERALS; CHLORINE; COPPER; COPPER COMPOUNDS; HYDROCHLORIC ACID; IRON COMPOUNDS; LEACHING; MINERALS; SULFUR; SURFACE REACTIONS; TEMPERATURE; THERMODYNAMICS;

DISSOLUTION;

EID: 78650708068     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2010.11.004     Document Type: Article

References (28)

1. E. Arce, and I. González A comparative study of electrochemical behaviour of chalcopyrite, chalcocite and bornite in sulfuric acid solution International Journal of Mineral Processing 67 2002 17 28
2. Aroca F. Plant description and operation of heap leaching, solvent extraction, and electrowinning of copper at Minera Michilla Jergensen G.V. Copper Leaching, Solvent Extraction, and Electrowinning Technology 1999 Society for Mining, Metallurgy and Exploration Littleton, Co. 279 294
3. C.Y. Cheng, and F. Lawson The kinetics of leaching covellite in acidic oxygenated sulphate-chloride solutions Hydrometallurgy 27 1991 269 284
4. C.Y. Cheng, and F. Lawson The kinetics of leaching chalcocite in acidic oxygenated sulphate-chloride solutions Hydrometallurgy 27 1991 249 268
5. J.E. Dutrizac, and R.J.C. MacDonald The kinetics of dissolution of covellite in acidified ferric sulphate solutions Canadian Metallurgical Quarterly 13 1974 423 433
6. J.E. Dutrizac, and R.J.C. MacDonald Ferric ion as a leaching medium Minerals Science and Engineering 6 1974 59 100
7. E.E. Elsherief, A.E. Saba, and S.E. Afifi Anodic leaching of chalcocite with periodic cathodic reduction Minerals Engineering 8 1995 967 978
8. W.W. Fisher, F.A. Flores, and J.A. Henderson Comparison of chalcocite dissolution in the oxygenated, aqueous sulfate and chloride systems Minerals Engineering 5 1992 817 834
9. E. Ghali, and B. Dandapani Electrodissolution of synthetic covellite in hydrochloric acid Journal of Applied Electrochemistry 12 1982 369 376
10. S.W. Goh, A.N. Buckley, and R.N. Lamb Copper(II) sulfide? Minerals Engineering 19 2006 204 208
11. M.S. Lee, M.J. Nicol, and P. Basson Cathodic processes in the leaching and electrochemistry of covellite in mixed sulfate-chloride media Journal of Applied Electrochemistry 38 2008 363 369
12. A.E. Martell, and R.M. Smith NIST Standard Reference Database 46, Ver 8 2004 National Institute of Standards and Technology Gaithersburg, MD, USA
13. G.W. McDonald, and S.H. Langer Cupric chloride leaching of model sulfur compounds for simple copper ore concentrates Metallurgical Transactions 14B 1983 559 570
14. Miki H., and Nicol M.J. The kinetics of the copper-catalysed oxidation of iron(II) in chloride solutions Young C. Anderson C. Taylor P. Choi Y. Hydrometallurgy 2008 2008 The Minerals, Metals and Materials Society Warrendale, PA, USA 971 979
15. H. Miki, and M.J. Nicol The dissolution of chalcopyrite in chloride solutions. IV. The kinetics of the auto-oxidation of copper(I) Hydrometallurgy 105 2011 246 250
16. W. Mulak Kinetics of dissolving polydispersed covellite in acidic solutions of ferric sulphate Roczniki Chemii 45 1971 1417 1424
17. M.J. Nicol, H. Miki, and L. Velásquez-Yévenes The dissolution of chalcopyrite in chloride solutions: Part 3. Mechanism Hydrometallurgy 103 2010 86 95
18. J.A.M. Rademan, L. Lorenzen, and J.S.J. Van Deventer The leaching characteristics of Ni-Cu matte in the acid-oxygen pressure leach process at Impala Platinum Hydrometallurgy 52 1999 231 252
19. M.C. Ruiz, S. Honores, and R. Padilla Leaching kinetics of digenite concentrate in oxygenated chloride media at ambient pressure Metallurgical and Materials Transactions B 29 1998 961 969
20. G. Senanayake Chloride assisted leaching of chalcocite by oxygenated sulphuric acid via Cu(II)-OH-Cl Minerals Engineering 20 2007 1075 1088
21. Sullivan J.D. Chemistry of Leaching Covellite 1930 U.S. Bureau of Mines Washington, DC, USA TP 487.
22. Sullivan J.D. Chemistry of Leaching Chalcocite 1930 U.S. Bureau of Mines Washington, DC, USA TP 473.
23. G. Thomas, and T.R. Ingrahan Kinetics of dissolution of synthetic covellite in aqueous acidic ferric sulphate solutions Canadian Metallurgical Quarterly 6 1967 153 165
24. Velásquez-Yévenes, L., 2009. The Kinetics of the Dissolution of Chalcopyrite in Chloride Media. Ph.D. Thesis, Murdoch University, Perth Australia.
25. L. Velásquez-Yévenes, M.J. Nicol, and H. Miki The dissolution of chalcopyrite in chloride solutions: Part 1. The effect of solution potential Hydrometallurgy 103 2010 108 113
26. L. Velásquez-Yévenes, H. Miki, and M.J. Nicol The dissolution of chalcopyrite in chloride solutions: Part 2. The effect of various parameters on the rate Hydrometallurgy 103 2010 80 85
27. L.S. Whiteside, and R.J. Goble Structural and compositional changes in copper sulfides during leaching and dissolution Canadian Mineralogist 24 2 1986 247 258
28. h-pH diagrams for stable and metastable phases in the copper-sulfur-water system International Journal of Mineral Processing 20 1987 109 120