Recovery of silver and zinc by acid pressure oxidative leaching of silver-bearing low-grade complex sulfide ores

International Journal of Mineral Processing

Volumn 89, Issue 1-4, 2008, Pages 60-64

  Duoqiang, Liang ^a   Jikun, Wang ^b   Yunhua, Wang ^c   Jibo, Jiang ^d   Fan, Wang ^d  

^a GUANGXI UNIVERSITY   (China)

^b Technology Center of Yunnan Metallurgy Group Co Ltd   (China)

^c KUNMING INSTITUTE OF PRECIOUS METALS   (China)

^d KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Acid pressure oxidative leaching; Cyanidation; Lead zinc iron sulfide ores; Silver

Indexed keywords

ACIDS; BEARINGS (STRUCTURAL); BENEFICIATION; CONCENTRATION (PROCESS); EXPERIMENTS; IODINE; LEACHING; LEAD; METAL RECOVERY; MINERALS; ORES; ORGANIC POLYMERS; OXYGEN; SILVER; SODIUM; SODIUM SULFATE; ZINC; ZINC SULFIDE;

ACID PRESSURE OXIDATIVE LEACHING; ACID PRESSURES; COMPLEX SULFIDES; CYANIDATION; OPTIMUM CONDITIONS; OXIDATIVE LEACHING; OXYGEN FLOW RATES; OXYGEN PRESSURES; RECOVERY YIELDS; SILVER RECOVERIES; SODIUM IODIDES; TEMPERATURE RANGING; YUNNAN PROVINCES;

SULFIDE MINERALS;

EID: 56549088525     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.minpro.2008.09.001     Document Type: Article

References (18)

1. Bolorunduro S.A. Fundamental study of silver deportment during the pressure oxidation of sulphide ores and concentrates. Miner. Eng. 16 8 (2003) 695-708
2. Bolorunduro S.A., et al. Zinc and silver recoveries from zinc-lead-iron complex sulphides by pressure oxidation. Miner. Eng. 16 4 (2003) 375-389
3. Branan C.R. Process Evaluation, Rules of Thumb for Chemical Engineers. Fourth Ed. (2005) 240-273
4. Bruckard W.J., Woodcock, et al. Gold and silver extraction from Hellyer lead-zinc flotation middlings using pressure oxidation and thiourea leaching. Hydrometallurgy 33 1-2 (1993) 17-41
5. Christopher H.G., and Yu Y. The stability of aqueous silver bromide and iodide complexes at 25-300 °C: experiments, theory and geologic applications. Chem. Geol. 137 3-4 (1997) 155-173
6. Collins M.J. the zinc pressure leaching process applications. In: Mackey T.S., and Preng-aman R.D. (Eds). Lead-Zinc90, The Minerals, Metals and Materials Society (1990) 293-311
7. Dobrokhotov G.N., and Onuchkina N.I. Kinetics of autoclave leaching of sphalerite. Izv. Vyssh. Ucheb. Zaved. Tsvet. Met 7 5 (1964) 51-57
8. Dutrizac J.E. The precipitation of lead jarosite from chloride media. Hydrometallurgy 26 3 (1991) 327-346
9. Dutrizac J.E., and Chen T.T. A mineralogical study of the jarosite phase formed during the autoclave leaching of zinc concentrate. Can. Metall. Q. 23 4 (1984) 147-157
10. Dutrizac J.E. Factors affecting lead jarosite formation. Hydrometallurgy 5 3 (1980) 305-324
11. LI X., WANG X., LI W., et al. Geological Features of the Laochang Ag-Cu-Pb-Zn Deposit in Lancang,Yunnan. Acta Geol. Sichuan 27 1 (2007) 25-30
12. Parker E.G. Oxidative pressure leaching of zinc concentrates. CIM Bull. 74 (1981) 145-150
13. 4. Hydrometallurgy 80 4 (2005) 265-271
14. Tien H.T., and Harrington G.W. Precipitation of silver (I) halides in molten lithium nitrate eutectic. Inorg. Chem. 2 2 (1963) 369-372
15. Verban B., and Crundwell F.K. An electrochemical model for the leaching of a sphalerite concentrate. Hydrometallurgy 16 2 (1987) 345-359
16. WANG X. Geology and genesis of laochang Ag-Cu-Pb-Zn polymetallic ore deposit in Lancang Yunnan province. J. Precious Met. Geol. 15 3 (2006) 200-205
17. Weert V., and Tuinman G. Prevention of silver jarosite formation through the addition of iodine species. SME Annual Meeting, Reno, Nevada vol. 3 (15-18) (1993) 93-59
18. Weisener C.G. Comparison of the kinetics and mechanism of acid leaching of sphalerite containing low and high concentrations of iron. Int. J. Miner. Process. 4 1-4 (2004) 239-249