Pressure oxidation of pyrite in sulfuric acid media: A kinetic study

Hydrometallurgy

Volumn 73, Issue 3-4, 2004, Pages 335-349

  Long, Hu ^a   Dixon, David G ^a  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

Author keywords

Autoclave; Hydrometallurgy; Kinetics; Leaching; Passivation; Pressure oxidation; Pyrite; Refractory gold

Indexed keywords

CHARGE TRANSFER; GOLD; LEACHING; MATHEMATICAL MODELS; OXIDATION; PASSIVATION; REACTION KINETICS; SULFURIC ACID;

AUTOCLAVE; PRESSURE OXIDATION; PYRITE; REFRACTORY GOLD;

HYDROMETALLURGY;

EID: 1942451888     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2003.07.010     Document Type: Article

References (27)

1. Argall O.G. Perseverance and winning ways at McLaughlin Gold. E&MJ. 187(10):1986;26.
2. Bailey L.K., Peters E. Decomposition of pyrite in acids by pressure leaching and anodization: the case for an electrochemical mechanism. Can. Metall. Q. 15(4):1976;333.
3. Biegler T. Oxygen reduction on sulphide minerals: Part II. Relation between activity and semiconducting properties of pyrite electrodes. J. Electroanal. Chem. 70:1975;265.
4. Biegler T., Swift D.A. Anodic behaviour of pyrite in acid solutions. Electrochim. Acta. 24:1979;415.
5. Bockris J.O'M., Reddy A.K.N. Modern Electrochemistry. vol. 2:1970;991-1017 Plenum, New York.
6. 2. J. Colloid Interface Sci. 75(2):1980;357.
7. Cornelius R.J., Woodcock J.T. Pressure leaching of a manganese ore. Aust. Inst. Min. Metall. Proc. 185:1958;65.
8. Crundwell F.K., Godorr S.A. A mathematical model of the leaching of gold in cyanide solutions. Hydrometallurgy. 44:1997;147.
9. Dreisinger D.B., Peters E. The oxidation of ferrous sulphate under zinc pressure leaching conditions. Hydrometallurgy. 22:1989;101.
10. Garrels R.M., Thompson M.E. Oxidation of pyrite by iron sulfate solution. Am. J. Sci. 258A:1960;57.
11. Gasparrini C. The mineralogy of gold and its significance in metal extraction. CIM Bull. 76(851):1983;144.
12. Gerlach J., Haehne H., Pawlek F.Z. Pressure leaching of Fe sulfides: II. Kinetics of the pressure leaching of pyrite. Z. Erzbergbau Metall. 19(2):1966;66.
13. Goldhaber M.B. Experimental study of metastable sulfur oxyanion formation during pyrite oxidation. Am. J. Sci. 283(3):1983;193.
14. Hiskey J.B., Schlitt W.J. Aqueous Oxidation Pyrite. Schlitt W.J., Hiskey J.B. Interfacing Technologies in Solution Mining Proceedings, 2nd SME-SPE Intl. Solution Mining Symp. 1982;55 SME-AIME, Littleton (Colorado).
15. Jeffery G.H., Bassett J., Mendham J., Denney R. Vogel's Textbook of Quantitative Inorganic Analysis. 5th ed. 1989;382 Longman, New York.
16. 2) in acidic aqueous electrolytes I. Woods R., Doyle F.M., Richardson P. Proceedings of the Fourth International Symposium on Electrochemistry in Mineral and Metal Processing. vol. 96-6:1996;131.
17. Kimweri, H.T.H., Dixon, D.G., 2001. Unpublished results.
18. Lowson R.T. Aqueous oxidation of pyrite by molecular oxygen. Chem. Rev. 82(5):1982;461.
19. McKay D.R., Halpern J. A kinetic study of the oxidation of pyrite in aqueous suspension. Trans. Metall. Soc. AIME. 212:1958;301.
20. 2). J. Electrochem. Soc. 135:1988;2502.
21. Morse J.W., Millero F.J., Cornwell J.C., Rickard D. The chemistry of the hydrogen sulfide and iron sulfide systems in natural water. Earth Sci. Rev. 24(1):1987;1.
22. Papangelakis V.G., Demopoulos G.P. Acid pressure oxidation of pyrite: reaction kinetics. Hydrometallurgy. 26:1991;309.
23. Tozawa K., Sasaki K. Effect of coexisting sulphates on precipitation of ferric oxide from ferric sulphate solutions at elevated temperature. Dutrizac J.E., Monhemius A.J. Iron Control in Hydrometallurgy. 1986;454 Wiley, New York.
24. Tromans D. Oxygen solubility modeling in inorganic solutions: concentration, temperature and pressure effects. Hydrometallurgy. 50:1998;279.
25. Uhlig H.H., Revie R.W. Corrosion and Corrosion Control. 2nd ed. 1985;363 Wiley, New York.
26. Zakharchenko G.A., Tsitsorin V.A. Zhur. Priklad. Khim. 22:1949;703. (as reported in Linke, W.F., 1958. Solubilities - Inorganic and Metal-Organic Compounds, 4th ed. American Chemical Society, Washington, DC, p. 1053).
27. Zakharchenko G.A., Tsitsorin V.A. Zhur. Priklad. Khim. 22:1949;703. (as reported in Linke, W.F., 1958. Solubilities - Inorganic and Metal-Organic Compounds, 4th ed. American Chemical Society, Washington, DC, p. 1053).