Copper and arsenic dissolution from chalcopyrite-enargite concentrate by sulfidation and pressure leaching in H2SO4-O2

Hydrometallurgy

Volumn 100, Issue 3-4, 2010, Pages 152-156

  Padilla, R ^a   Rodriguez G ^a   Ruiz, M C ^a  

^a UNIVERSITY OF CONCEPCIÓN   (Chile)

Author keywords

Chalcopyrite; Covellite; Enargite; Pressure leaching; Sulfidation

Indexed keywords

ARSENIC DISSOLUTION; CHEMICAL REACTION CONTROL; COPPER DISSOLUTION; COPPER PRODUCTION; COVELLITE; ELEMENTAL SULFUR; ENARGITE; FERRIC IONS; GALVANIC COUPLES; INDIRECT LEACHING; MINERALOGICAL TRANSFORMATIONS; PARTIAL PRESSURE OF OXYGEN; PRESSURE LEACHING; SHRINKING CORE MODEL; SULFIDATION;

ACTIVATION ENERGY; ARSENIC; CHEMICAL REACTIONS; COPPER; COPPER COMPOUNDS; COPPER SMELTING; HEATING; LEACHING; OXYGEN; PYRITES; SULFUR;

DISSOLUTION;

EID: 71649116217     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2009.11.006     Document Type: Article

References (12)

1. Demopoulos G.P., and Distin P.A. Ferric chloride leaching of sulphidized chalcopyrite. Hydrometallurgy 10 1 (1983) 111-122
2. Dutrizac J.E. Ferric ion leaching of chalcopyrite from different localities. Metallurgical Transactions 13B (1982) 303-309
3. Hackl R.P., Dreisinger D.B., Peters E., and King J.A. Passivation of chalcopyrite during oxidative leaching in sulphate media. Hydrometallurgy 39 1-3 (1995) 25-48
4. Hoffman J.E. Remediating copper smelter dusts - the arsenic problem. JOM 45 8 (1993) 30-31
5. Padilla R., Rodríguez M., and Ruiz M.C. Sulfidation of chalcopyrite with elemental sulfur. Metallurgical and Materials Transactions. B 34B (2003) 15-23
6. Padilla R., Olivares E., Sohn H.Y., and Ruiz M.C. Kinetics of the sulfidation of chalcopyrite with gaseous sulfur. Metallurgical and Materials Transactions. B 34B (2003) 61-68
7. 2. Metallurgical and Materials Transactions. B 34B (2003) 153-159
8. Padilla R., Vega D., and Ruiz M.C. Pressure leaching of chalcopyrite in sulfuric acid-oxygen media. Hydrometallurgy 86 1-2 (2007) 80-88
9. 2. Hydrometallurgy 91 1-4 (2008) 113-120
10. Padilla R., Rivas C., and Ruiz M.C. Kinetics of pressure dissolution of enargite in sulfate-oxygen media. Metallurgical and Materials Transactions. B 39B 3 (2008) 399-407
11. Piret N.L. Arsenic management in copper smelting. In: Hancock B.A., and Pon M.R.L. (Eds). Copper 99-Cobre 99, International conference. Mineral Processing/Environment, Health and Safety vol. II (1999), The Minerals, Metals & Materials Society, Warrendale, PA 321-340
12. Sohn H.Y., and Wadsworth M.E. Rate Processes of Extractive Metallurgy (1979), Plenum Press, New York, NY 141-143