An investigation into the dynamics of chalcopyrite bioleaching

AIChE Journal

Volumn 56, Issue 10, 2010, Pages 2650-2661

  Kotsiopoulos, Athanasios ^a   Hansford, Geoffrey S ^a   Rawatlal, Randhir ^a  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

Mathematical modeling; Reaction kinetics; Reactor analysis

Indexed keywords

BIOMASS CONCENTRATIONS; CHEMICAL LEACHING; COMPETITIVE RATES; CONCENTRATION LIMITS; EXISTENCE AND STABILITY; MATHEMATICAL MODELING; PHYSICAL PHENOMENA; REACTOR ANALYSIS; REACTOR TEMPERATURES; REDOX POTENTIALS; STEADY STATE; SYSTEM DYNAMICS;

ASSOCIATION REACTIONS; BIOLEACHING; COMPUTER SIMULATION; COPPER COMPOUNDS; PASSIVATION; REDOX REACTIONS; SECONDARY BATTERIES;

REACTION KINETICS;

EID: 78149385567     PISSN: 00011541     EISSN: 15475905     Source Type: Journal    
DOI: 10.1002/aic.12183     Document Type: Article

References (21)

1. Third KA, Cord-Ruwisch R, Watling HR. The role of iron-oxidizing bacteria in stimulation inhibition of chalcopyrite bioleaching. Hydrometallurgy. 2000; 57: 225-233.
2. Hiroyoshi N, Miki H, Hirajima T, Tsunekawa M. Enhancement of chalcopyrite leaching by ferrous ions in acidic ferric sulfate solutions. Hydrometallurgy. 2001; 60: 185-197.
3. Dutrizac JE, MacDonald RJC, Ingraham TR. The kinetics of dissolution of synthetic chalcopyrite in aqueous acidic ferric sulfate solutions. Trans Metall Soc AIME. 1969; 245: 955-959.
4. Hirato T, Majima H, Awakura Y. The leaching of chalcopyrite with ferric sulfate. Metall Trans B. 1987; 18: 489-496.
5. Clark DA, Norris PR. Oxidation of mineral sulphides by thermophilic microorganisms. Miner Eng. 1996; 9: 1119-1125.
6. Nemati M, Harrison STL. Effect of solid loading on thermophilic bioleaching of sulfide minerals. J Chem Technol Biotechnol. 2000; 75: 526-532.
7. Sissing A, Harrison STL. Thermophilic mineral bioleaching performance: a compromise between maximizing mineral loading and maximizing microbial growth and activity. J S Afr Inst Min Metall. 2003; 103: 139-142.
8. Witne JY, Phillips CV. Bioleaching of 0K Tedi copper concentrate in oxygen-and carbon dioxide-enriched air. Miner Eng. 2001; 14: 25-48.
9. Valencia P, Gentina JC, Acevedo F. Effect of pulp density and particle size on the biooxidation rate of a pyritic gold concentrate by Sulfolobus metallicus. In: Proceedings of the International Biohydrometallurgy Symposium, Athens, Greece, 2003.
10. Bailey AD, Hansford GS. Oxygen mass transfer limitation of batch bio-oxidation at high solids concentration. Miner Eng. 1994; 7: 293-303.
11. Loia G, Mura A, Trois R, Rossi G. Bioreactor performance versus solids concentration in coal biodepyritization. Fuel Process Technol. 1994; 40: 251-260.
12. Kotsiopoulos A, Hansford GS, Rawatlal R. An approach of segregation in modeling continuous flow tank bioleach systems. AIChE. 2008; 54: 1592-1599.
13. Breed AW, Hansford GS. Modeling continuous bioleach reactors. Biotechnol Bioeng. 1999; 64: 671-677.
14. Boon M, Heijnen JJ. Chemical oxidation kinetics of pyrite in bioleaching processes. Hydrometallurgy. 1998; 48: 27-41.
15. Petersen J, Dixon DG. Competitive bioleaching of pyrite and chalcopyrite. Hydrometallurgy. 2006; 83: 40-49.
16. Hansford GS. Recent developments in modelling the kinetics of bioleaching. In: Rawlings DE, editor. Biomining: Theory, Microbes and Industrial Processes. Berlin: Springer, 1997: 153-176.
17. Olson GJ. Rate of pyrite bioleaching by Thiobacillus ferrooxidans: results of interlaboratory comparison. Appl Environ Microbiol. 1991; 57: 642-644.
18. Kametani H, Aoki A. Effect of suspension potential on the oxidation rate of copper concentrate in a sulphuric acid solution. Metal Trans B. 1985; 16: 695-705.
19. Hiroyoshi N, Kuroiwa S, Miki H, Tsunekawa M, Hirajima T. Synergistic effect of cupric and ferrous ions on active-passive behavior in anodic dissolution of chalcopyrite in sulfuric acid solutions. Hydrometallurgy. 2004; 74: 103-116.
20. Searby GE. An investigation of the kinetics of thermophilic microbial ferrous iron oxidation in continuous culture. Ph.D. thesis, University of Cape Town, Cape Town, South Africa, 2006.
21. Jaffer A. An investigation into the mechanism of bioleaching of a predominantly-chalcopyrite concentrate with mesophiles. Masters thesis. University of Cape Town, Cape Town, South Africa, 2002.