Gold recovery enhancement from a refractory flotation concentrate by sequential bioleaching and thiourea leach

Hydrometallurgy

Volumn 63, Issue 3, 2002, Pages 249-255

  Deng, Tianlong ^a   Liao, Mengxia ^a  

^a CHENGDU UNIVERSITY OF TECHNOLOGY   (China)

Author keywords

Arsenopyrite; Biological leaching; Leptospirillum ferrooxidans; Pyrite; Sulfide ores; Thiobacillus ferrooxidans

Indexed keywords

CATALYSIS; CATALYSTS; EXTRACTION; FLOTATION; LEACHING; OXIDATION; PH EFFECTS; PYRITES; SULFIDE MINERALS;

BIOLOGICAL LEACHING;

GOLD;

EID: 0036499637     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-386X(01)00226-2     Document Type: Article

References (25)

1. A study of the effect of sodium bisulfite concentration on gold lixiviation by thiourea leaching
2. Effect of cystine and oxygen on extraction of cemented gold from leaching liquors in a thiourea system
3. The use of catalytic ions in bioleaching
4. Comparison of the oxidations in the presence of T. ferrooxidans or L. ferrooxidans
5. The effect of As(III) and As(V) on the batch bioleaching of a pyrite-arsenopyrite concentrate
6. Gold recovery enhancement from complex sulfide ores through combined bioleaching and cyanidation
7. Investigations of accelerating parameters for the biooxidation of low-grade refractory gold ores
8. Enhancement of gold extraction from biooxidation residues using an acidic sodium sulfite-thiourea system
9. Leaching of gold from a chalcopyrite concentrate by thiourea
10. Importance of extracelluar polymeric substances from T. ferrooxidans for bioleaching
11. Electrochemical studies on gold electrode in acidic solutions of thiourea containing gold(I) thiourea complex ions
12. The effect of As(III) on the growth of Thiobacillus ferrooxidans in an electrolytic cell under controlled redox potentials
13. Treatment of a gold bearing arsenopyrite concentrate by ferric sulfate leaching
14. Microbial recovery of metals from solid
15. Biooxidation of an arsenic-bearing refractory gold ore
16. Gold recovery from a refractory arsenopyrite concentrate by in-situ slurry oxidation
17. The loading capacity of selected cation exchange resins and activated carbons for gold-thiourea complex
18. Influence of metallic ions in the bioleaching of chalcopyrite by Sulfolobus BC: Experiments using peneumatically stirred reactors and massive samples
19. Biological oxidation of ferrous sulfate by Thiobacillus ferrooxidans: A review on the kinetic aspects
20. Iron and mineral oxidation by acidophilic bacteria: Affinities for iron and attachment to pyrite
21. Economic and environmental niches of biohydro-metallurgy
22. Effect of silver chloride on the bioleaching of chalcopyrite concentrate
23. Distribution of T. ferrooxidans and L. ferrooxidans: Implications for generation of acid mine drainage
24. New aspects in thiourea leaching of precious metals
25. Studies on the chemoautotrophic iron bacterium Thiobacillus ferrooxidans I. An improved medium and a harvesting procedure for securing high cell yields