Reductive leaching of stibnite (Sb2S3) flotation concentrates using metallic iron in a hydrochloric acid medium II: Kinetics

Hydrometallurgy

Volumn 88, Issue 1-4, 2007, Pages 132-142

  Mahlangu, T ^a   Gudyanga, F P ^b   Simbi, D J ^b  

^a UNIVERSITY OF PRETORIA   (South Africa)

^b UNIVERSITY OF ZIMBABWE   (Zimbabwe)

Author keywords

Diffusion control; Hydrogen sulphide; Initial rate theory; Reductive leaching; Shrinking core model; Stibnite

Indexed keywords

DIFFUSION CONTROL; INITIAL RATE THEORY; REDUCTIVE LEACHING; SHRINKING CORE MODEL; STIBNITE;

HYDROCHLORIC ACID; HYDROGEN SULFIDE; IRON; LEACHING; REACTION KINETICS;

ORE TREATMENT;

EID: 34447280378     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2007.03.011     Document Type: Article

References (19)

1. Abed A. A fundamental study of the reductive leaching of chalcopyrite using metallic iron, MASc Thesis, Metals and Materials Engineering Department (1999), University of British Columbia, Vancouver, BC, Canada
2. Balaz P., and Ebert I. Oxidative leaching of mechanically activated sphalerite. Hydrometallurgy 27 2 (1991) 141-150
3. Balaz P., Achimovicova M., Feceriova J., Kammel R., and Sepelak V. Hydrometallurgical treatment of calcined tetrahedrite concentrate. Métallurgie 54 7-8 (1997) 386-389
4. 13. Hydrometallurgy 47 2-3 (1998) 297-308
5. Chifamba, J., 1996. The reductive decomposition of refractory sulphide concentrates for the recovery of precious metals, gold and silver. MPhil Thesis, University of Zimbabwe.
6. Dreisinger D., and Abed N. A fundamental study of the reductive leaching of chalcopyrite using metallic iron part I: Kinetic analysis. Hydrometallurgy 66 1-3 (2002) 37-57
7. Dutrizac J.E. Leaching of galena in cupric chloride media. Metallurgical Transactions 20B 4 (1991) 475-483
8. Dutrizac J.E., and Chen T.T. The effect of elemental sulphur reaction product on the leaching of galena in ferric chloride media. Metallurgical Transactions 21B (1990) 935-943
9. Dutrizac J.E., and MacDonald R.J.C. Ferric ion as a leaching medium. Minerals Science and Engineering 6 2 (1974) 59-100
10. Gudyanga F.P., Mahlangu T., Chifamba J., and Simbi D.J. Reductive-oxidative pre-treatment of a stibnite flotation concentrate: Thermodynamic and kinetic considerations. Minerals Engineering 11 6 (1998) 563-580
11. Jackson E. Hydrometallurgical extraction and reclamation (1986), Ellis Horwood Limited 28-42
12. Levenspiel O. Chemical Reaction Engineering. 2nd edition (1972), John Wiley and Sons, New York 349-400
13. Madkour L.H., and Salem I.A. Electrolytic recovery of antimony from natural stibnite ore. Hydrometallurgy 43 1-3 (1996) 265-275
14. Mahlangu, T., 2002. The hydrometallurgical ferro-reductive decomposition of stibnite, galena and arsenopyrite/pyrite gold bearing flotation concentrates, PhD Thesis, University of Zimbabwe, 59-152.
15. 3) flotation concentrate using metallic iron in a hydrochloric acid medium I: Thermodynamics. Hydrometallurgy 84 (2006) 192-203
16. Meza-Saucedo L.A. Hydrometallurgical treatment of a Colombian stibnite concentrate. In: Gaskell D.R., et al. (Ed). Proceedings of The Reinchardt Schuhmann International Symposium on Innovative Technology and Reactor Design in Extractive Metallurgy (1986), AIME, Colorado Springs, Colorado, USA 1003-1018 9-12 Nov
17. Moore J.J. Chemical Metallurgy. 2nd Edition (1990), Butterworth-Heinemann 95-115
18. Scott P.D., and Nicol M.H. The kinetics and mechanisms of non-oxidative dissolution of metal sulphides. In: Bockris J.O.M., Rand D.A.J., and Welch B.J. (Eds). Trends in Electrochemistry (1977), Plenum Press, New York 303-316
19. Weiss, N.L. (ed.) 1985. SME Mineral Processing Handbook Vol. 2. Society of Mining Engineers, American Institute of Mining, Metallurgical and Petroleum Engineers, Inc. 13-23: 13-26.