Pre-oxidation of high-sulfur and high-arsenic refractory gold concentrate by ozone and ferric ions in acidic media

Hydrometallurgy

Volumn 97, Issue 1-2, 2009, Pages 61-66

  Li, Qingcui ^a   Li, Dengxin ^a   Qian, Fangjun ^a  

^a DONGHUA UNIVERSITY   (China)

Author keywords

High sulfur and high arsenic refractory gold concentrate; Orthogonal experiment; Ozone and ferric sulfate; Pre oxidation

Indexed keywords

ACIDIC MEDIAS; CYANIDE LEACHING; ECONOMIC AND ENVIRONMENTAL BENEFITS; FACTORIAL EXPERIMENTS; FERRIC IONS; GOLD EXTRACTIONS; HAZARDOUS ELEMENTS; HIGH-SULFUR AND HIGH-ARSENIC REFRACTORY GOLD CONCENTRATE; LIQUID TO SOLID RATIOS; OPTIMUM CONDITIONS; ORTHOGONAL ARRAYS; ORTHOGONAL EXPERIMENT; OZONE CONCENTRATIONS; PRE-OXIDATION; PRE-TREATMENT PROCESS; REACTION TEMPERATURES; REACTION TIME; SIGNIFICANT FACTORS; STATISTICAL TECHNIQUES; STIRRING SPEED; X-RAY DIFFRACTIONS; X-RAY FLUORESCENCES;

ARSENIC; CYANIDES; EXPERIMENTS; GOLD; IRON COMPOUNDS; LEACHING; LIQUIDS; METAL RECOVERY; ORES; OXIDATION; OZONE; PLATINUM METALS; PRECIOUS METALS; REFRACTORY MATERIALS; SULFUR; X RAY DIFFRACTION;

REFRACTORY METALS;

EID: 67349177099     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2009.01.002     Document Type: Article

References (17)

1. Angelidis T.N., and Kydros K.A. Selective gold dissolution from a roasted auriferous pyrite-arsenopyrite concentrate. Hydrometallurgy 37 1 (1995) 75-88
2. Deng T., and Liao M. Gold recovery enhancement from a refractory flotation concentrate by sequential bioleaching and thiourea leach. Hydrometallurgy 63 3 (2002) 249-255
3. Elorza-Rodríguez E., Nava-Alonso F., Jara J., and Lara-Valenzuela C. Treatment of pyritic matrix gold-silver refractory ores by ozonization-cyanidation. Miner. Eng. 19 1 (2006) 56-61
4. Gottschalk C., Libra J.A., and Saupe A. Ozonation of Water and Waste Water (2000), Wiley-VCH, Weinheim, Germany
5. Iglesias N., and Carranza F. Treatment of a gold bearing arsenopyrite concentrate by ferric sulphate leaching. Miner. Eng. 9 3 (1996) 317-330
6. LaBrooy S.R., Linge H.G., and Walker G.S. Review of gold extraction from ores. Miner. Eng. 7 10 (1994) 1213-1241
7. Lawrence R.W., and Bruynesteyn A. Biological preoxidation to enhance gold and silver recovery from refractory ores and concentrates. CIM Bulletin 76 857 (1983) 107-110
8. Mason P.G. Energy requirements for the pressure oxidation of gold-bearing sulphides. J. Met. 42 9 (1990) 15-18
9. Murthy D.S.R., Dey M.L., Roychowdhury S.K., Mathur S.B., and Akerkar D.D. Studies on extraction of refractory gold silver through thiourea leaching. In: Misra V.N., Halbe D., and Spottiswood D.J. (Eds). Int. Conf. Ext. Metall. Gold Base Met. (1992) 329-332 The AusIMM
10. Patiño C.F., Salinas R.E., Carrillo P., Raul F., Hernandez A.H., and Mendez B. The use of ozone to improve cyanidation process for silver and gold extraction from a refractory ore. Proc. 27th Conference (2003), IPMI, Pensacola, FLA 50-62
11. Rawlings D.E. Heavy metal mining using microbes. Annu. Rev. Microbiol. 56 (2002) 65-91
12. Roca A., Cruells M., and Viñals J. X Congreso Internacional de Metalurgia Extractiva. Aplicaciones del Ozono en los Sistemas Hidrometalúrgicos, Escuela Superior de Ingeniería Química e Industrias Extractivas (2000), IPN, México
13. Scheiner, J.B., Linstrom, R.E., 1973. Recovery of gold from ores. US Patent 3764650.
14. Thomas K.G. Alkaline and acid autoclaving of refractory gold ores. J. Met. 43 2 (1991) 16-19
15. Van Antwerp, W.P., Lincoln, P.A., 1987. Precious metal recovery using U.V. ozone. US Patent 4642134.
16. Viñals J., Cruells M., Roca A., Juan E., and Fernando E. Métodos no Contaminantes de Obtención de Metales por Vía Húmeda. Barcelona. Universidad de Barcelona Departamento de Ingeniería Química y Metalurgia vol. 86 (2001)
17. Walder I.F., and Schuster P.P. Mine Waste Management in Proceedings of Environmental Geochemistry of ore deposits and mining activities. Presented by SARB Consulting in Oslo, Norway (1997) 28-30