Thiosulphate leaching of gold in the presence of carboxymethyl cellulose (CMC)

Minerals Engineering

Volumn 24, Issue 2, 2011, Pages 115-121

  Feng, D ^a   Van Deventer, J S J ^a  

^a UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

Gold ores; Leaching; Sulphide ores; Surface modification

Indexed keywords

AXIAL COORDINATES; BENEFICIAL EFFECTS; CARBOXYMETHYL CELLULOSE; CUPRIC IONS; EXTRACTION RATE; GOLD AND SILVER; GOLD EXTRACTION; GOLD ORES; MINERAL PARTICLES; REAGENT CONSUMPTION; SLURRY SYSTEM; STABILISATION; SULPHIDE ORES; SURFACE MODIFICATION; THIOSULPHATE LEACHING; THIOSULPHATES;

CELLULOSE; DISSOLUTION; GOLD; LEACHING; ORES; PASSIVATION; SURFACE ACTIVE AGENTS;

GOLD ORE TREATMENT;

EID: 78650911961     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.mineng.2010.10.007     Document Type: Article

References (41)

1. C. Abbruzzese, P. Fornari, R. Massidda, F. Veglio, and S. Ubaldini Thiosulphate leaching for gold hydrometallurgy Hydrometallurgy 39 1-3 1995 265 276
2. M.G. Aylmore, and D.M. Muir Thiosulphate leaching of gold - a review Minerals Engineering 14 2 2001 135 174
3. A.R. Alonso-Gomez, and G.T. Lapidus Inhibition of lead solubilization during the leaching of gold and silver in ammoniacal thiosulfate solution (effect of phosphate addition) Hydrometallurgy 99 1-2 2009 89 96
4. K.A. Bagdasaryan, M.L. Episkoposyan, K.A. Ter-Arakelyan, and G.G. Babayan The kinetics of the dissolution of gold and silver in sodium thiosulphate solutions Soviet Journal of Non-Ferrous Metals 376 1983 64 68
5. K.G. Bakinov, I.J. Vaneev, S.I. Gorlovsky, U.I. Eropkin, N.V. Zashikhin, and A.S. Konev New methods of sulphide concentrate upgrading N. Arbiter, 7th International Mineral Processing Congress vol. 1 1964 Gordon and Breach New York 227
6. P. Bandini, C.A. Prestidge, and J. Ralston Colloidal iron oxide slime coatings and galena particle flotation Minerals Engineering 14 5 2001 487 497
7. M. Benedetti, and J. Boulëgue Mechanism of gold transfer and deposition in a supergene environment Geochimica et Cosmochimica Acta 55 6 1991 1539 1547
8. P.L. Breuer, and M.I. Jeffrey Thiosulphate leaching kinetics of gold in the presence of copper and ammonia Minerals Engineering 13 10-11 2000 1071 1081
9. P.L. Breuer, and M.I. Jeffrey The reduction of copper(II) and the oxidation of thiosulfate and oxysulfur anions in gold leaching solutions Hydrometallurgy 70 1-3 2003 163 173
10. J.J. Byerley, S.A. Fouda, and G.L. Rempel Kinetics and mechanism of the oxidation of thiosulphate ions by copper(II) ions in aqueous ammonia solution Journal of the Chemical Society, Dalton Transactions 1973 889 893
11. C. Cao, J. Hu, and Q. Gong Leaching of gold by low concentration thiosulphate solution. Randol Gold Forum, Vancouver '92 1992 Randol International Colorado, USA pp. 293-298
12. S.W. Dhawale Thiosulphate Journal of Chemical Education 70 1 1993 12 14
13. D. Feng, and J.S.J. Van Deventer Effect of sulphides on gold dissolution in ammoniacal thiosulphate medium Metallurgical and Materials Transactions B 34 1 2001 5 13
14. D. Feng, and J.S.J. Van Deventer The role of heavy metal ions in gold dissolution in the ammoniacal thiosulphate system Hydrometallurgy 64 3 2002 231 246
15. D. Feng, and J.S.J. Van Deventer Thiosulphate leaching of gold in the presence of ethylenediaminetetraacetic acid (EDTA) Minerals Engineering 23 2 2010 143 150
16. D. Feng, and J.S.J. Van Deventer The effect of iron contaminants on thiosulphate leaching of gold Minerals Engineering 23 5 2010 399 406
17. D. Feng, and J.S.J. Van Deventer Oxidative pre-treatment in thiosulphate leaching of sulphide gold ores International Journal of Mineral Processing 94 1-2 2010 28 34
18. A.M. Gaudin, D.W. Fuerstenau, and H.L. Maiw Slime coating in galena flotation Transactions of the Canadian Institute of Mining and Metallurgy 56 1960 960 963
19. Kerley, B.J., 1981. Recovery of Precious Metals from Difficult Ores. US Patent No. 4269622.
20. Kerley, B.J., 1983. Recovery of Precious Metals from Difficult Ores. US Patent No. 4369061.
21. M.E. Learmont, and I. Iwasaki Effect of grinding media on galena flotation Minerals and Metallurgical Processing 1 1984 136 143
22. D.D. MacDonald Review of mechanistic analysis by electrochemical impedance spectroscopy Electrochimica Acta 35 1990 1509
23. Marchbank, A.R., Thomas, K.G., Dreisinger, D., Fleming, C., 1996. Gold recovery from Refractory Carbonaceous Ores by Pressure Oxidation and Thiosulphate Leaching. US Patent No. 5536297.
24. G.E. Morris, D. Fornasiero, and J. Ralston Polymer depressants at the talc-water interface. adsorption isotherm, microflotation and electrokinetic studies International Journal of Mineral Processing 67 1-4 2002 211 227
25. D.M. Muir, and M.G. Aylmore Thiosulphate as an alternative to cyanide for gold processing - issues and impediments Mineral Processing and Extractive Metallurgy (Transactions of the Institution of Mining and Metallurgy C) 113 1 2004 C2 C12
26. Parsonage, P.G., 1985. Effects of slime and colloidal particles on the flotation of galena. In: Forssberg K.S. (Ed.). Developments in Mineral Processing, Flotation of Sulphide Minerals, vol. 6, pp. 111-139.
27. A.M. Pedraza, I. Villegas, P.L. Freund, and B. Chornik Electro-oxidation of thiosulfate ion on gold: study by means of cyclic voltammetry and Auger electron spectroscopy Journal of Electroanalytical Chemistry and Interfacial Electrochemistry 250 2 1988 443 449
28. S. Petrov, and V. Nenov Removal and recovery of copper from wastewater by a complexation-ultrafiltration process Desalination 162 1-3 2004 201 209
29. M.K. Rhodes The effects of the physical variables of carboxymethyl cellulose reagents on the depression of magnesia bearing minerals in Western Australian nickel sulphide ores W.J. Laskowski, 13th International Mineral Processing Congress 1981 Elsevier Amsterdam 346 366
30. K. Sarveswara Rao, and H.S. Ray A new look at characterisation and oxidative ammonia leaching behaviour of multimetal sulphides Minerals Engineering 11 11 1998 1011 1024
31. P.G. Shortridge, P.J. Harris, D.J. Bradshaw, and L.K. Koopal The effect of chemical composition and molecular weight of polysaccharide depressants on the flotation of talc International Journal of Mineral Processing 59 3 2000 215 224
32. R.St.C. Smart Surface layers in base metal sulphide flotation Minerals Engineering 4 7-11 1991 891 909
33. Thomas, K.G., Fleming, C., Marchbank, A.R. and Dreisinger, D., 1998. Gold Recovery from Refractory Carbonaceous Ores by Pressure Oxidation, Thiosulphate Leaching and Resin-in-Pulp Adsorption. US Patent No. 5785736.
34. Van Zijll De Jong, S., 2005. The Effect of Mineralogy on the Thiosulphate Leaching of Gold Ores. PhD Thesis, The University of Melbourne, Australia.
35. Wan, R.Y., 1997. Importance of solution chemistry for thiosulphate leaching of gold. In: World Gold '97 Conference, Singapore, 1-3 September, The Australasian Institute of Mining and Metallurgy, Carlton, Victoria, pp. 159-162.
36. R.Y. Wan, and J.A. Brierley Thiosulphate leaching following biooxidation pretreatment for gold recovery from refractory carbonaceous-sulphidic ore Mining Engineering 76 1997 76 80
37. C. Weisener, and A. Gerson An investigation of the Cu(II) adsorption mechanism on pyrite by ARXPS and SIMS Minerals Engineering 13 13 2000 1329 1340
38. C. Xia, W.T. Yen, and G. Deschênes Improvement of thiosulfate stability in gold leaching Minerals and Metallurgical Processing 20 2 2003 68 72
39. Y. Xu, and M.A.A. Schoonen The stability of thiosulfate in the presence of pyrite in low-temperature aqueous solutions Geochimica et Cosmochimica Acta 59 22 1995 4605 4622
40. H. Zhang, and D.B. Dreisinger The adsorption of gold and copper onto ion-exchange resins from ammoniacal thiosulfate solutions Hydrometallurgy 66 1-3 2002 67 76
41. D. Zipperian, S. Raghavan, and J.P. Wilson Gold and silver extraction by ammoniacal thiosulfate leaching from a rhyolite ore Hydrometallurgy 19 3 1988 361 375