The flotation of auriferous pyrite with a mixture of collectors

International Journal of Mineral Processing

Volumn 86, Issue 1-4, 2008, Pages 85-93

  Makanza, A T ^a   Vermaak, M K G ^a   Davidtz, J C ^a  

^a UNIVERSITY OF PRETORIA   (South Africa)

Author keywords

Auriferous pyrite; Flotation; Precious metal ores; Uranium

Indexed keywords

FLOTATION; GOLD; MINERALOGY; ORES; SULFUR; URANIUM;

AURIFEROUS PYRITE; COLLECTOR MIXTURES; CYANIDATION; PRECIOUS METAL ORES;

PYRITES;

EID: 39649116029     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.minpro.2007.11.004     Document Type: Article

References (33)

1. Agar G.E., Stratton-Crawley R., and Bruce T.G. Optimising the design of flotation circuits. CIM Bulletin 73 (1980) 173
2. Anhaeusser C.R., Feather C.E., Liebenburg W.R., Smits G., and Snegg J.A. Geology and mineralogy of the principal goldfields in South Africa. In: Stanley G.G. (Ed). The Extractive Metallurgy of Gold in South Africa vol. 1 (1987), The South African Institute of Mining and Metallurgy, Johannesburg 1-67
3. Botelho De Sousa A.M.R., O'Connor C.T., and Dunne R.C. The influence of various chemicals, physical and mineralogical factors on the flotation of gold bearing pyrites. Gold 100: Proceedings of the International Conference on Gold, Extractive Metallurgy of Gold vol. 2 (1986), South African Institute of Mining and Metallurgy, Johannesburg 493-503
4. Bradshaw D.J., and O'Connor C.T. The flotation of pyrite using mixtures of dithiocarbamates and other thiol collectors. Minerals Engineering 7 5-6 (1994) 681-690
5. Bradshaw, D. J., 1997, Synergistic effect between thiol collectors used in the flotation of pyrite. PhD Thesis, University of Cape Town, South Africa.
6. Breytenbach W., Vermaak M.K.G., and Davidtz J.C. Synergistic effects among dithiocarbonates (DTCs), dithiophosphate (DTP) and trithiocarbonates (TTCs) in the flotation of Merensky ores. The Journal of the South African Institute of Mining and Metallurgy 103 10 (2003) 667-670
7. Coetzer, G., 1987, A quantitative evaluation of sulphydryl collectors on the selective flotation of a copper-lead-zinc-iron ore. Masters Thesis, Potchefstroom University, South Africa.
8. Coetzer G., and Davidtz J.C. Sulphydryl collectors in bulk and selective flotation, Part I. Covalent trithiocarbonate derivatives. The Journal of the South African Institute of Mining and Metallurgy 89 10 (1989) 301-311
9. Cullinan V.J., Grano S.R., Greet C.J., Johnson N.W., and Ralston J. Investigating fine galena recovery problems in the lead circuit of Mount Isa Mines lead/zinc concentrator. Part I: grinding effects. Minerals Engineering 12 2 (1999) 147-163
10. Davidtz J.C. Quantification of flotation activity by means of excess Gibbs free energies. Minerals Engineering 12 10 (1999) 1147-1161
11. Davidtz J.C. Optimisation of No. 2 Gold Plant chemical suite. Internal Report (2000), Anglo Gold (Pty) Ltd, South Africa
12. Du Plessis R., and Davidtz J.C. Flotation of copper sulphide ore. Internal Report (1998), Potchefstroom University, South Africa
13. Du Plessis R., Miller J.D., and Davidtz J.C. Preliminary examination of electrochemical and spectroscopic features of trithiocarbonate collectors for sulphide mineral flotation. Transactions of the Nonferrous Metallurgy Society of China 10 (2000) 12-18
14. Du Plessis, R., 2003, The thiocarbonate flotation chemistry of auriferous pyrite, PhD Thesis, The University of Utah, Utah, USA.
15. Engelbrecht J.A., and Woodburn E.T. The effects of froth height, aeration rate and gas precipitation on flotation. The Journal of the South African Institute of Mining and Metallurgy (1975) 125-132
16. Ford M.A. Uranium in South Africa. The Journal of the South African Institute of Mining and Metallurgy 2 (1993) 37-58
17. Groot D.R., Harkema S.H.M., and Vermaak M.K.G. The application of cyclic voltammetry coupled with surface plasmon resonance measurements to thiol-collector interactions with gold surfaces. The Journal of the South African Institute of Mining and Metallurgy 105 (2005) 645-652
18. Keller H., Simak P., Screpp W., and Demboski J. Surface chemistry of thiols on copper: an efficient way of producing multilayers. Thin Solid Films 244 (1994) 799-805
19. Kirjavainen V.M. Review and analysis of factors controlling the mechanical flotation of gangue minerals. International Journal of Mineral Processing 46 (1996) 21-34
20. 12 TTC on the rate grade and recovery of sulphur, gold and uranium at the Anglogold Ashanti East Plant. Internal Report (2005), Anglogold Ashanti (Pty) Ltd, South Africa
21. Mellgren O. Heat of adsorption and surface reactions of potassium amyl xanthate on galena. Transactions of the American Institute of Mining Engineers 235 (1966) 46-60
22. Mitrofanov S.I., Kuz'kin A.S., and Filimonov V.N. Theoretical and practical aspects of using combinations of collectors and frothing agents for sulphide flotation. Proceedings of 15th Congr. Int. Metall., St. Ettienne, France vol. 2 (1985) 65-73
23. O'Dea A.R., Prince K.E., Smart R.C., and Gerson A.R. Secondary ion mass spectrometry investigation of the interaction of xanthate with galena. International Journal of Mineral Processing 61 (2001) 121-143
24. Parnell J. Paragenesis of mineralisation within fractured pebbles of the Witwatersrand conglomerates. Mineralium Deposita 36 (2001) 689-699
25. Robb L.J., and Meyer F.M. The Witwatersrand basin, South Africa: geological framework and mineralisation processes. Ore Geology Reviews 10 (1995) 67-94
26. Savassi O.N., Alexander D.J., Franzidis J.P., and Manlapig E.V. An empirical model for entrainment in industrial flotation plants. Minerals Engineering 11 3 (1998) 243-256
27. Simpson P.R., and Bowles J.F.W. Uranium mineralisation of the Witwatersrand and dominion reef systems. Philosophical Transactions of the Royal Society of London 286 (1977) 527-548
28. Tolun R., and Kitchener J.A. Electrochemical study of the galena-xanthate-oxygen flotation system. Transactions of the Institute of Mining and Metallurgy 73 (1963) 313-322
29. Valdiviezo E., and Oliviera J.F. Synergism in aqueous solutions of surfactant mixtures and its effect on the hydrophobicity of mineral surfaces. Minerals Engineering 6 (1993) 655-661
30. Venter J.A., and Vermaak M.K.G. Dithiocarbonate and trithiocarbonate interactions with pyrite. South African Journal of Science 103 (2007) 164-168
31. Venter J.A., and Vermaak M.K.G. Dithiocarbonate and trithiocarbonate interactions with copper. Submitted to Minerals Engineering (2007)
32. Venter J.A., and Vermaak M.K.G. EIS measurements of dithiocarbonate and trithiocarbonate interactions with pyrite and copper. Submitted to Minerals Engineering. (2007)
33. Woods R. The oxidation of ethyl xanthate on platinum, gold, copper, and galena electrodes; relation to the mechanism of mineral flotation. Journal of Physical Chemistry 75 (1971) 354-362