The influence of the oxidation state of pyrite and arsenopyrite on the flotation of an auriferous sulphide ore

Minerals Engineering

Volumn 15, Issue 12, 2002, Pages 1113-1120

  Monte, M B M ^a   Dutra, A J B ^b   Albuquerue Jr , C R F ^b   Tondo, L A ^c   Lins, F F ^a  

^a CENTRO DE TECNOLOGIA MINERAL   (Brazil)

^b FEDERAL UNIVERSITY OF RIO DE JANEIRO   (Brazil)

^c Process Department   (Brazil)

Author keywords

Flotation collectors; Froth flotation; Gold ores; Oxidation; Sulphide ores

Indexed keywords

GOLD; ORES; OXIDATION; PYRITES; SULFIDE MINERALS;

FLOTATION COLLECTORS; GOLD ORES; SULPHIDE ORES;

FROTH FLOTATION;

EID: 0036975314     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0892-6875(02)00177-2     Document Type: Article

References (32)

1. Abramov, A.A., 1999. Physico-chemical modeling of flotation systems. Mineral Processing and Extractive Metallurgy Review 19, 409-459.
2. Aksoy, B.S., Yarar, B., 1989. Natural hydrophobicity of native gold flakes and their flotation under different conditions. In: Dobby, G.S., Rao, S.R. (Eds.), Processing of Complex Ore. Pergamon Press, New York, pp. 19-27.
3. Allan, G.C., Woodcock, J.T. 2001. Review of the flotation of native gold and electrum. Minerals Engineering 14 (9), 931-962.
4. Allison, S.A., Dunne, R.C., 1985. Some flotation characteristics of gold, Report M207, Council of Mineral Technology, Randburg, South Africa.
5. Araujo, A.C., Peres, A.E.C., 1995. Froth flotation: relevant facts and the Brazilian case. In Tecnologia Mineral, 70. CETEM, Rio de Janeiro, 38 p.
6. Cases, J.M., Kongolo, M., Donato, P., Michot, L.J., Erre, R., 1993. Interaction between finely ground pyrite and potassium amylxanthate in flotation: 1. Influence of alkaline grinding. International Journal of Mineral Processing 38, 267-299.
7. Dimitrijevic, M., Antonijevic, M.M., Dimitrijevic, V., 1999. Investigation of the kinetics of pyrite oxidation by hydrogen peroxide in hydrochloric acid solutions. Minerals Engineering 12(2), 165-174.
8. Finkelstein, N.P., Poling, G.W., 1977. The role of dithiolates in the flotation of sulphide minerals. Mineral Science Engineering 9 (4), 177-197.
9. Forrest, K., Yan, D., Dunne, R., 2001. Optimization of gold recovery by selective gold flotation for copper-gold-pyrite ores. Minerals Engineering 14 (2), 227-241.
10. Hayes, P., 1993. Process Principles in Minerals and Materials Production. Hayes Publishing Co, Sherwood, Brisbane, Australia, p. 239.
11. Hintikka, V.V., Leppinen, J.O., 1995. Potential control in the flotation of sulphide minerals and precious metals. Minerals Engineering 8 (10), 1151-1158.
12. Hiskey, J.B., Sanchez, V.M., 1988. An electrochemical study of the surface oxidation on arsenopyrite in alkaline media. Metallurgical Transactions B 19, 943-949.
13. Jiang, C.L., Wang, B.K., Parekh, B.K., Leonard, J.W., 1998. The surface and solution chemistry of pyrite flotation with xanthate in the presence of iron ions. Colloids and Surfaces A: Physicochemical and Engineering Aspects 136, 51-62.
14. Levin, J., Veitch, M.L., 1970. Laboratory tests on the flotation of pyrite from Witswatersrand gold ores by a cationic flotation. Journal of South African Institute of Mining and Metallurgy 70, 259-271.
15. Martin, C.J., Rao, S.R., Finch, J.A., Leroux, M., 1989. Complex sulphide ore processing with pyrite flotation by nitrogen. International Journal of Mineral Processing 26, 95-110.
16. Miller, J.D., Plessis, R.D., Kotylar, D.G., Zhu, X., Simmons, G.L., 2000. The low potential hydrophobic state of pyrite in amyl xanthate flotation with nitrogen. In SME Annual Meeting 2000, Salt Lake City, No. 00-113.
17. Montalti, M., Fornasiero, D., Ralston, J., 1991. Ultraviolet-visible spectroscopy study of the kinetics of adsorption of ethyl xanthate on pyrite. Journal of Colloid and Interface Science 143 (2), 440-450.
18. Monte, M.B.M., Lins, F.F., Oliveira, J.F., 1997. Selective flotation of gold from pyrite under oxidizing conditions. International Journal of Mineral Processing 255-267.
19. Monte, M.B.M., Lins, F.F., Oliveira, J.F., 2000. Adsorption of thiol compounds on gold and pyrite and its influence in their selective flotation. In: Proceedings of the XXI International Mineral Processing Congress, Rome, vol. B, 23-28 July, pp. b131-b137.
20. Nakamoto, K., 1978. In: Infrared and Raman Spectra of Inorganic and Coordination Compounds, third ed. John Wiley & Sons, New York, p. 448.
21. Palsson, B.I., Perssson, H., 1996. Redox control in a pilot flotation column. Minerals Engineering 9 (1), 73-83.
22. Raade, G., Mladeck, M.H., Kristiansen, R., Din, V.K., 1984. Kaatialaite, a new ferric arsenate mineral from Finland. American Mineralogist 69, 383-387.
23. Richardson, P.E., Chen, Z., Tao, D.P., Yoon, R.H., 1996. Electrochemical control of pyrite activation by copper. In: Woods, R., Doyle, F., Richardson, P.E. (Eds.), Electrochemistry in Mineral and Metal Processing IV. The Electrochemical Society, pp. 179-190.
24. Schaufuss, A.G., Nesbitt, H.W., Scaini, M.J., Hoeschst, H., Bancroft, M.G., Szargan, R., 2000 Reactivity of surface sites on fractured arsenopyrite (FeAsS) toward oxygen. American Mineralogist 85, 1754-1766.
25. Taggart, A.F., 1945. Handbook of Mineral Dressing. John Wiley & Sons, New York.
26. Teague, A.J., Van Deventer, J.S.J., Swaminathan, C., 1999a. The effect of galvanic interaction on the behaviour of free and refractory gold during froth flotation. International Journal of Mineral Processing 57, 243-263.
27. Teague, A.J., Van Deventer, J.S.J., Swaminathan, C., 1999b. A conceptual model for gold flotation. Minerals Engineering 12 (9), 1001-1019.
28. Vaughan, D.J., Becker, U., Wright, K., 1997. Sulphide mineral surfaces: theory and experiment. International Journal Mineral Processing 51, 1-14.
29. Wang, X.H., Ahlberg, E., Forsberg, K.S.E., 1992. Electrochemical study of surface oxidation and collectorless flotation of arsenopyrite. Journal of Applied Electrochemistry 22, 1095-1103.
30. Wang, X.H., Forssberg, K.S.E., Bolin, N.J., 1989. Thermodynamic calculation on iron containing sulphide mineral flotation systems. I. The stability of iron xanthates. International Journal Mineral Processing 26, 95-110.
31. Yan, D.S., Hariyasa, 1997. Selective flotation of pyrite and gold tellurides. Minerals Engineering 10 (3), 327-337.
32. Yuan, X.M., Pâlsson, B.I., Forssberg, K.S.E., 1996. Flotation of a complex sulphide ore. I. Cu/Zn selectivity control by adjusting pulp potential with different gases. International Journal Mineral Processing 46, 155-179.