Gold recovery from a refractory pyrrhotite ore by biooxidation

International Journal of Mineral Processing

Volumn 60, Issue 3-4, 2000, Pages 247-262

  Ubaldini, S ^a   Veglio F ^b   Beolchini, F ^b   Toro, L ^c   Abbruzzese, C ^a  

^a CNR   (Italy)

^b UNIVERSITY OF L'AQUILA   (Italy)

^c SAPIENZA UNIVERSITY OF ROME   (Italy)

Author keywords

Biooxidation; Gold recovery; Process flowsheet; Pyrrhotite; Thiobacillus

Indexed keywords

BIOLOGICAL TREATMENT; GOLD; METAL EXTRACTION; MINERAL PROCESSING; OXIDATION; PYRITE;

DESORPTION; DISSOLUTION; INTERFACES (MATERIALS); OXIDATION;

BIOOXIDATION; PYRRHOTITE;

GOLD;

EID: 0033625782     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-7516(00)00019-3     Document Type: Article

References (40)

1. Preparatory bioleaching to the conventional cyanidation of arsenical gold ores
2. The mechanism of adsorption of aurocyanide onto activated carbon: 1. Relation between the effects of oxygen and ionic strength
3. Bacterial leaching of complex sulfide ore samples in bench-scale column reactors
4. Thiobacillus medium B.
5. Bioleaching of gold pyrite tailings with adapted bacteria
6. Development of a direct count method for cells determination and application in sorption of Thiobacilli on pyrrhotite ore particles
7. Kinetic modelling of pyrrhotite ore leaching by ferric iron and related statistical analysis
8. Mineral products of pyrrhotite oxidation by Thiobacillus ferrooxidans
9. The role of bacterial ferrous iron oxidation in the biooxidation of pyrite
10. Thiobacillus ferrooxidans, a versatile mineworker
11. The prediction of the bioleaching of refractory gold ores in a continuous plant from the batch data
12. Bioleaching of copper concentrate by Thiobacillus ferrooxidans at increasing pulp density
13. Gold desorption from activated carbon with dilute NaOH/organic solvent mixtures
14. The affinity of carbon for gold complexes: Dissolution of finely disseminated gold using a flow electrochemical cell
15. Characterization of jarosite formed up on bacterial oxidation of ferrous sulfate in a packed-bed reactor
16. Scaleup experiences in biooxidation of refractory gold ores and concentrates
17. Kinetics of growth and elemental sulfur oxidation in batch culture of Thiobacillus ferrooxidans
18. Will Newmont's processing experiments reap fiscal rewards?
19. Biotreatment of gold ores
20. The demand for biotechnology in mining in the 21st century
21. The kinetics of the adsorption of gold from thiourea solutions by charcoal
22. Economics of bioleaching
23. Development of a biooxidation leach process at Asamera Minerals (US) Cannon Mine
24. Biometallurgy for the recovery of gold from arsenopyrite ores
25. Bacterial oxidation of pyrite and pyrrhotite
26. Bacterial oxidation technology - a viable process for refractory gold ores and base metal recovery
27. Precipitate formation in the oxidation of ferrous ions in the presence of Thiobacillus ferrooxidans
28. Studies on the growth of Thiobacillus ferrooxidans
29. Factorial experiments in the study of a biooxidative pretreatment for a conventional cyanidation of a Turkey arsenical gold ore
30. Gold recovery from pyrrhotite by bioleaching and cyanidation
31. Developments and innovations in bacterial ossidation of refractory ores
32. Gold recovery from arsenopyrite ore by bacterial leaching and cyanidation
33. Biooxidative pretreatment to enhance the gold recovery by cyanidation from an arsenopyrite refractory ore: A preliminary study using statistical methods
34. Process development for biooxidation of phyrrotite ore for gold recovery by cyanidation
35. Oxygen mass transfer scale-up in the bioleaching of manganiferous minerals by heterotrophic microorganisms
36. A technical feasibility study of bioleaching of manganiferous minerals by heterotrophic mixed microorganisms
37. Bioleaching of a pyrrhotite ore by a sulfooxidans strain: Kinetic analysis
38. A new solid medium for isolating and enumerating Thiobacillus ferrooxidans
39. Cyanidation. The extractive metallurgy of gold in South Africa