The mechanism of enhanced gold extraction from ores in the presence of activated carbon

Hydrometallurgy

Volumn 58, Issue 2, 2000, Pages 151-167

  Rees, K L ^a   Van Deventer, J S J ^a  

^a UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

Adsorption; CIL; CIP; Gold; Leaching; Mineralogy

Indexed keywords

ACTIVATED CARBON; CARBON; CYANIDES; EXTRACTIVE METALLURGY; LEACHING; MINERALOGY; ORES;

BATCH EXPERIMENTATION; CARBON IN LEACH; DIAGNOSTIC LEACHING; GOLD EXTRACTION; PLANT WORK; PREG ROBBING;

GOLD METALLURGY;

EID: 0034563654     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0304-386x(00)00130-4     Document Type: Article

References (17)

1. D.M. Hausen, C.H. Bucknam, Study of preg robbing in the cyanidation of carbonaceous gold ores from Carlin, Nevada, in: W.C. Park, D.M. Hausen, R.D. Hagni (Eds.), Proceedings of the Second International Congress on Applied Mineralogy in the Minerals Industry, Metallurgical Society of AIME, Los Angeles, California, 1984, pp. 833-856.
2. K. Osseo-Asare, P.M. Afenya, G.M.K. Abotsi, Carbonaceous matter in gold ores: isolation, characterization and adsorption behaviour in aurocyanide solutions, in: V. Kudryk, D.A. Corrigan, W.W. Liang (Eds.), Precious Metals: Mining, Extraction and Processing, Los Angeles, California, Metallurgical Society of AIME, 1984, pp. 125-144.
3. M.D. Adams, S.J. Swaney, J. Friedl, F.E. Wagner, Preg-robbing minerals in gold ores and residues, Hidden Wealth, S. Afr. Inst. Min. Metall. (1996) 163-172.
4. M.R. Urban, J. Urban, P.J.D. Lloyd, The adsorption of gold from cyanide solutions onto constituents of the reef, and its role in reducing the efficiency of the gold-recovery process, J. S. Afr. Inst. Min. Metall. 73 (5) (1973) 385-394.
5. T. Quach, D.F.A. Koch, F. Lawson, Adsorption of gold cyanide on gangue minerals, APCChE and Chemeca 93 Official Proceedings, Melbourne, Australia, 1993, pp. 101-105.
6. L. Lorenzen, Some guidelines to the design of a diagnostic leaching experiment, Miner. Eng. 8 (3) (1995) 247-256.
7. L. Lorenzen, J.A. Tumilty, Diagnostic leaching as an analytical tool for evaluating the effect of reagents on the performance of a gold plant, Miner. Eng. 5 (3-5) (1992) 503-512.
8. L. Lorenzen, J.S.J van Deventer, The mineralogical identification of refractory gold ores by means of the selective decomposition of minerals, Extractive Metallurgy of Gold and Base Metals, Kalgoorlie, 1992, pp. 171-175.
9. V.M. Torres, R.S. Costa, Characterization of gold ores and CIP tailings using a diagnostic leaching technique, in: D.W. Fuerstenau (Ed.), Proceedings of the XIX International Mineral Processing Congress, Society for Mining, Metallurgy, and Exploration, San Francisco, 1995, pp. 15-18.
10. L. Lorenzen, J.S.J. van Deventer, The mechanism of leaching of gold from refractory ores, Miner. Eng. 5 (10-12) (1992) 1377-1387.
11. L. Lorenzen, J.S.J. van Deventer, The identification of refractoriness in gold ores by the selective destruction of minerals, Miner. Eng. 6 (8-10) (1993) 1013-1023.
12. G.J. Annandale, L. Lorenzen, J.S.J. van Deventer, C. Aldrich, Neural net analysis of the liberation of gold using diagnostic leaching data, Miner. Eng. 9 (2) (1996) 195-213.
13. P.A. Fagan, B. Paull, P.R. Haddad, R. Dunne, H. Kamar, Ion Chromatographic analysis of cyanate in gold processing samples containing large concentrations of copper(I) and other metallo-cyanide species, J. Chromatogr. 770 (1997) 175-183.
14. P.A. Fagan, P.R. Haddad, Reversed-phase ion-interaction chromatography of Cu(I)-cyanide complexes, J. Chromatogr. 770 (1997) 165-174.
15. K.L. Rees, J.S.J. van Deventer, Preg-robbing phenomena in the presence of sulphide gold ores, Hydrometallurgy (2000) submitted for publication.
16. K.L. Rees, J.S.J. van Deventer, The role of metal-cyanide species in leaching gold from a copper concentrate, Miner. Eng. 12 (8) (1999) 877-892.
17. R.A. Williams, Processing problematic ores, Miner. Eng. 6 (8-10) (1993) 809-816.