The influence of cyanide on pyrite flotation from gold leach residues with sodium isobutyl xanthate

International Journal of Mineral Processing

Volumn 49, Issue 3-4, 1997, Pages 149-169

  De Wet, J R ^a   Pistorius, P C ^a   Sandenbergh, R F ^a  

^a UNIVERSITY OF PRETORIA   (South Africa)

Author keywords

Cyanide; Flotation; Gold; Residues

Indexed keywords

ANODIC OXIDATION; CURRENT DENSITY; CYANIDES; ELECTRIC IMPEDANCE MEASUREMENT; ELECTROCHEMICAL ELECTRODES; ELECTROCHEMISTRY; GOLD; LEACHING; PYRITES; VOLTAGE MEASUREMENT;

LINEAR VOLTAMMETRY; MIXED POTENTIALS; SODIUM CYANIDE; SODIUM ISOBUTYL XANTHATE;

FLOTATION;

CYANIDE; FLOTATION; GOLD; MINERAL PROCESSING;

EID: 0031126743     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0301-7516(96)00031-2     Document Type: Article

References (25)

1. Ackerman, P.K., Harris, G.H., Klimpel, R.R. and Aplan, F.F., 1987. Evaluation of flotation collectors for copper sulfides and pyrite, 1. Common sulphydryl collectors. Int. J. Miner. Process., 21: 105-127.
2. Adams, M.D., 1990. The chemical behaviour of cyanide in the extraction of gold. 1. Kinetics of cyanide loss in the presence and absence of activated carbon. J. S. Afr. Inst. Min. Metall., 90(2): 37-44.
3. Allison, S.A., Goold, L.A., Nicol, M.J. and Granville, A., 1972. A determination of the products of reactions between various sulphide minerals in aqueous xanthate solution, and a correlation of the products with electrode rest potentials. Metall. Trans., 3: 2613-2618.
4. Anhaeusser, C.R., Feather, C.E., Liebenberg, W.R., Smits, G. and Snegg, J.A., 1987. The geology and mineralogy of the principal goldfields in South Africa. In: G.G. Stanley (Editor), The Extractive Metallurgy of Gold in South Africa, Vol. 1. S. Afr. Inst. Min. Metall., pp. 1-67.
5. Botelho De Sousa, A.M.R., O'Connor, C.T. and Dunne, R.C., 1986. The influence of various chemical, physical and mineralogical factors on the flotation of gold-bearing pyrites. In: GOLD 100. Proceedings of the International Conference on Gold, Johannesburg, Vol. 2: Extractive Metallurgy of Gold. S. Afr. Inst. Min. Metall., pp. 493-503.
6. Broekman, B.R., Carter, L.A.C. and Dunne, R.C., 1987. Flotation. In: Stanley, G.G. (Ed.), The Extractive Metallurgy of Gold in South Africa, Vol. 1. S. Afr. Inst. Min. Metall., pp. 235-276.
7. Bushell, L.A., 1970. The flotation plants of the Anglo-Transvaal Group. J. S. Afr. Inst. Min. Metall., 70: 213-228.
8. Chander, S., Pang, J. and Briceno, A., 1988. Some equivalent circuit models for AC impedance analysis of pyrite/solution interface. In: P.E. Richardson and R. Woods (Editors), Electrochemistry in Mineral and Metal Processing. Electrochem. Soc., Penington, NJ, pp. 247-263.
9. Duchen, R.B. and Carter, L.A.E., 1986. An investigation into the effects of various flotation parameters on the flotation behaviour of pyrite, gold and uranium contained in witwatersrand type ores, and their practical exploitation. In: GOLD 100. Proceedings of the International Conference on Gold, Johannesburg. Vol 2: Extractive metallurgy of gold. S. Afr. Inst. Min. Metall., pp. 505-525.
10. Elgillani, N.N. and Fuerstenau, M.C., 1968. Mechanisms involved in cyanide depression of pyrite. Trans. AIME., 241: 437.
11. Fuerstenau, M.C., 1982. Sulphide mineral flotation. In: R.P. King (Editor), Principles of Flotation. S. Afr. Inst. Min. Metall., Johannesburg, pp. 159-182.
12. Hodgkinson, G., 1993. Alkaline pyrite flotation from cyanide residues. Phase 3, GENMIN Process Research report No. PR92/156, GENMIN Process Research, Randburg.
13. Janetski, N.D., Woodburn, S.I. and Woods, R., 1977. An electrochemical investigation of pyrite flotation and depression. Int. J. Miner. Process., 4: 227-239.
14. Leppinen, J.O., 1990. FTIR and flotation investigation of the adsorption of ethyl xanthate on activated and non-activated sulphide minerals. Int. J. Miner. Process., 30: 245-263.
15. Lloyd, P.J.D., 1981. The flotation of gold, uranium, and pyrite from Witwatersrand ores. J. S. Afr. Inst. Min. Metall., 81: 41-47.
16. Newman, J., 1966. Resistance for flow of current to a disk. J. Electrochem. Soc., 133: 501-502.
17. Osseo-Asare, K., Xue, T. and Ciminelli, V.S.T., 1984. Solution chemistry of cyanide leaching systems. In: V. Kudryk, D.A. Corrigan and W.W. Liagn (Editors), Precious Metals Miner. Extract. Process., Proc. Int. Symp. Metallurgical Soc. AIME, pp. 173-196.
18. Prestidge, C.A., Ralston, J. and Smart, R.S.C., 1993. The competitive adsorption of cyanide and ethyl xanthate on pyrite and pyrrhotite surfaces, Int. J. Miner. Process., 38: 205-233.
19. Richardson, P.E., and Walker, G.W., 1985. The flotation of chalcocite, bornite, chalcopyrite, and pyrite in an electrochemical-flotation cell. In: XVth International Minerals Processing Conference, Cannes, Vol. 2, pp. 198-210.
20. Richardson, P.E. and Yoon, R.-H., 1993. A comparison of the semiconducting properties of abraded and fractured sulfide electrodes. In: J.B. Hiskey and G.W. Warren (Editors), Pyrite and Galena, Hydrometallurgy Fundamentals, Technology and Innovations, Proceedings of the Milton E. Wadsworth (IV) International Symposium on Hydrometallurgy. Society for Mining, Metallurgy, and Exploration, Inc. AIME, pp. 101-117.
21. Stern, M. and Geary, J., 1957. Electrochemical polarisation: 1. A Theoretical analysis of the shape of polarisation curves., J. Electrochem. Soc., 104: 56-63.
22. Wang, X. and Forssberg, K.S.E., 1990. The chemistry of cyanide-metal complexes in relation to hydrometallurgical processes of precious metals. Miner. Process. Extract. Metall. Rev., 6: 81-125.
23. Wang, X. and Forssberg, K.S.E., 1991. Mechanism of pyrite flotation with xanthates. Int. J. Miner. Process., 33.: 275-290.
24. Woods, R., 1972. Electrochemistry of sulphide flotation. Proc. Australas. Inst. Min. Metall., 241: 53-61.
25. Woods, R., 1976. Electrochemistry of sulphide flotation. In: M.C. Fuerstenau (Editor), Flotation - A.M. Gaudin Memorial Volume. AIME, Vol. 1., pp. 298-333.