An electrochemical and chemical study of the leaching of copper sulfides in acidified ferrous sulfate solutions sparged with an O2 - SO2 mixture

4th International Conference COPPER 99-COBRE 99

Volumn 4, Issue , 1999, Pages 213-230

  Perpich, M J ^a   Duby, Paul ^b  

^a ECI Technology   (United States)

^b Columbia University ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANODIC POLARIZATION; COPPER COMPOUNDS; CURRENT DENSITY; HYDROMETALLURGY; IRON COMPOUNDS; LEACHING; OXIDATION; OXYGEN; SILICA; SOLUTIONS; SULFUR COMPOUNDS; SULFURIC ACID;

ACIDIFIED FERROUS SULFATE SOLUTIONS; CHALCOCITE; CHALCOPYRITE; COPPER SULFIDES; COVELLITE; OXIDIZING STRENGTH; REDOX POTENTIAL;

COPPER METALLURGY;

EID: 0033489124     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (8)

1. C. Kao, "Thermodynamic and Kinetic Study of the Iron-Sulfite System," DES Thesis, Columbia University, 1979, 19-121.
2. M. J. Perpich, "Acidified Ferrous Sulfate Leaching of Copper Sulfides in the Presence of Oxygen and Sulfur Dioxide Gas Mixtures," DES Thesis, Columbia University, 1997, 89-102.
3. J. E. Dutrizac, "Elemental Sulfur Formation during the Ferric Sulphate Leaching of Chalcopyrite," Canadian Metallurgical Quarterly, Vol. 28, 1989, 322-344.
4. P. B. Munoz, J. D. Miller and M. E. Wadsworth, "Reaction Mechanism for the Acid Ferric Sulfate Leaching of Chalcopyrite," Metallurgical Transactions B, Vol. 10B, 1979, 149-158.
5. J. D. Miller and H. Q. Portillo, "Silver Catalysis in Ferric Sulfate Leaching of Chalcopyrite," Mineral Processing - Vol. 2, Part A, 13th International Mineral Processing Congress, Warsaw, June 4 - 9, 1979, J. Laskowski, Ed., Elsevier Scientific Publishing Co., Amsterdam, 1981, 851-894.
6. P. Duby, Thermodynamic Properties of Aqueous Inorganic Copper Systems, International Copper Research Association, Inc., 1977, 83.
7. M. B. Shirts, J. K. Winter, P. A. Bloom and G. M. Potter, "Aqueous Reduction of Chalcopyrite Concentrate with Metals," Report of Investigations 7953, 1974, U.S. Bureau of Mines.
8. 2 in the presence of Cupric Ion," Journal of Metals, Vol. 32, No. 11, 1980, 18-22.