The recovery of gold from refractory arsenopyrite concentrates by pyrolysis-oxidation

Minerals Engineering

Volumn 10, Issue 9, 1997, Pages 919-928

  Dunn, J G ^a   Chamberlain, A C ^a  

^a CURTIN UNIVERSITY   (Australia)

Author keywords

Gold ores; Roasting; Sulphide ores

Indexed keywords

ARSENOPYRITE;

CYANIDES; LEACHING; METAL RECOVERY; MICROSCOPIC EXAMINATION; ORE ROASTING; PARTICLES (PARTICULATE MATTER); PYROLYSIS; SULFIDE MINERALS; THERMAL EFFECTS; THERMOOXIDATION;

GOLD ORE TREATMENT;

EID: 0031238050     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0892-6875(97)00074-5     Document Type: Article

References (33)

1. Starling, A., Gilligan, J.M, Carter, A.H.C., Forster, R.P. & Saunders, R.A., High temperature hydrothermal precipication of precious metals on the surface of pyrite, Nature, 340, 298 (1989).
2. Knipe, S.W., Foster, R.P. & Stanley, C.J., Role of sulfide surfaces in the sorption of precious metals from hydrothermal fluids, Trans. Inst. Min. Metall. (Section B:Appl. Earth Sci.), 101, B83, (1992).
3. Bakken, B.M., Hochella, M.F.jr, Marshall, A.F. & Turner, A.M., High-resolution microscopy of gold in unoxidised ore from the Carlin Mine, Nevada, Economic Geology, 52, 475 (1989).
4. Hochella, M.F., Bakken, B.M. & Marshall, A.F. jr, Transmission electron microscopy of partially oxidised gold ore, Carlin Mine, Nevada, in A.H. Vassilious, D.M. Hausen, and D. Carson, Eds., Process Mineralogy vol VII, Metall. Soc. Am. Inst. Mining Engineers, 153 (1988).
5. Chryssoulis, S.L. & Cabri, L.J., Significance of gold mineralogical balances in mineral processing, Trans. Instn. Min. Metall. Sect. C., 99, C1 (1990).
6. Stephens, J.D., Bryan, S.R. & Rothbard, D.R., Characterization of solid solution gold in pyrite and metallurgical treatment products by SIMS, in D. M. Hausen, D. N. Halbe, E. U. Petersen and W. J. Tafuri, Eds., Gold '90, Proceedings of the Gold '90 Symposium, p. 333, Society of Mining, Metallurgy and Exploration, Inc., Littleton, CO (1990).
7. Cabri, L.J., Chryssoulis, S.L., de Villiers, J.P.R., Laflamme, J.H.G. & Busek, P.R., The nature of invisible gold in arsenopyrite, The Canadian Mineralogist, 27, 353 (1989).
8. Chryssoulis, S.L., Detection and quantification of 'invisible' gold by microprobe techniques, in D. M. Hausen, D. N. Halbe, E. U. Petersen and W. J. Tafuri, Eds., Gold '90, Proceedings of the Gold '90 Symposium, p. 323, Society for Mining, Metallurgy and Exploration, Inc., Littleton, CO (1990).
9. Wagner, F.E., Marion, P.H. & Regnard J -R., Mössbauer study of the chemical state of gold in gold ores, Gold 100, Proceedings of the International Conference on Gold. Volume 2: Extractive Metallurgy of Gold, p. 435, S. Afr. Institute of Mining and Metallurgy, Johannesburg (1986).
10. Cathelineau, M., Boiron, M.C., Holliger, P. & Marion, P., Gold rich arsenopyrites: crystal chemistry, gold location and state, Bicentennial Gold 88, Austral. Inst. Min. Metall., Melbourne, 235 (1988).
11. Friedl, J., Wagner, F.E., Sawicki, J.A., Harric, D.C., Mandarino, J.A. & Marion, P., Mossbauer study of gold minerals and ores, Hyperfine Interactions, 70, 945 (1992).
12. Cook, N.J. & Chryssoulis, S.L., Concentrations of "invisible gold" in common Sulfides, The Canadian Mineralogist, 28, 1 (1990).
13. Dunn, J.G. & Graham, J., Gold recovery from a refractory ore from New Zealand, Prodeedings of the 18th Australasian Chemical Engineering Conference, The Chemical Engineering Group (New Zealand), Auckland, Vol II, 954 (1990).
14. Boiron, M., Cathelinau, M. & Trescases, J.J., Conditions of gold bearing arsenopyrite cyrstallisation in the Villeranges Basin, Marche-Cambrailles Shear Zone, France: A mineralogical and fluid inclusion study, Economic Geology, 84, 1340 (1989).
15. Graham, J., Robinson,. B.W. & Walker, R.K., Gold in arsenopyrite, Mineralogy-Petrology Symposium, Austral. Inst Min. Metall., Melbourne, Australia, 55 (1989).
16. Johan, Z., Marcoux, E. & Bonnemaison, M., Arsenopyrite aurifere: Moded de substitution de Au dans la structure de FeAsS, C.R.Acad. Sec. Paris, 308, series II, 185 (1989).
17. Wu, X., Delbove, F. & Touray, J.C., Conditions of formation of gold-bearing arsenopyrite: A comparison of synthetic crystals with samples from Le Châtelet gold deposit, Creuse, France, Mineral. Deposita, 25 (Suppl), S8 (1990).
18. Boyle, R.W., The geochemistry of gold and its deposits, Geological Survey of Canada Bull., 30, 280 (1979).
19. Dunn, J.G., Graham, J. & Avraamides, J., Relationships Between Mineralogy, Roasting and Extraction of Gold from Refractory Pyritic and Arsenopyritic Gold Ores and Concentrates. Report No. 59. Minerals and Energy Research Institute of Western Australia (MERIWA), Perth (1990).
20. Aylmore, M.G. & Graham, J., A mineralogical approach to auriferous arsenopyrite, in V. N. Misra, D. Halbe and D. J. Spottiswood, Eds., Extractive Metallurgy of Gold and Base Metals, p.203, The Australasian Institute of Mining and Metallurgy, Parkville, Victoria (1992).
21. McPheat, I.W., Gooden, J.E.A. & Townsend, R., Submicroscopic gold in a pyrite concentrate, Proc. Austral. Inst. Min. Metall., No 231, 19 (1969).
22. Swash, P.M., A mineralogical investigation of refractory gold ores and their beneficiation, with special reference to arsenical ores, J. S. Afr. Inst. Min. Metall. 88(5), 173 (1988).
23. Clark, L.A., The Fe-As-S system: Phase relations and applications, Economic Geology, 55, Pt. I, 1342, Pt. II, 1631 (1960).
24. Clark, L.A., The Fe-As-S system: Phase relations and applications, Economic Geology, 55, Pt. I, 1342, Pt. II, 1631 (1960).
25. Aylmore, M.G., Distribution and agglomeration of gold in arsenopyrite and pyrite, PhD Thesis, School of Applied Chemistry, Curtin University, (1995).
26. Swash, P.M. & Ellis, P., The roasting of arsenical gold ores: A mineralogical perspective, Gold 100. Proceedings of the International Conference of Gold. Volume 2: Extractive Metallurgy of Gold, Johannesburg, p. 235, S. Afr. Institute of Mining and Metallurgy, Johannesburg (1986).
27. Dry, M.J. & Coetzee, C.F., The recovery of gold from refractory ores, in Gold 100. Proceedings of the International Conference on Gold. Volume 2. Extractive metallurgy of gold, S. Afr. Institute of Mining and Metallurgy, Johannesburg, 259 (1986).
28. Smith, T.N, Verbaan, B., Gibbs, M.D., Shi, D & Wild, M.B., Pyrolysis and extraction of gold from refractory gold concentrates, Minerals and Energy Research Institute of Western Australia Report Number 135, (1994).
29. Graham, J., Fletcher, A.B., Walker, G. & Aylmore, M., A pyrolysis approach to refractory gold processing, in V.N. Misra, D. Halbe, and D.J. Spottiswood, Eds., Extractive Metallurgy of Gold and Base Metals, The Australasian Institute of Mining and Metallurgy, Melbourne, 441 (1992).
30. 2 atmospheres, in P. Hayes, Ed., Proceedings of the 6th Extractive Metallurgy Conference, The Australasian Institute of Mining and Metallurgy, Melbourne, 187 (1994).
31. Dunn, J.G., Ibrado, A.S. & Graham, J., Pyrolysis of arsenopyrite for gold recovery by cyanidation, Minerals Engineering, 8, 459 (1995).
32. Kennedy, T. & Sturman, B.T., Oxidation of iron(II) sulfide, Journal of Thermal Analysis, 8, 329 (1975).
33. Banerjee, A.C., Mechanism of oxidation and thermal decomposition of iron sulfides, Indian Journal of Chemistry, 14A, 845 (1976).