Recovery of Zinc and Copper from a Zinc Concentrate by Atmospheric Direct Leaching Process

Canadian Institute of Mining, Metallurgy and Petroleum
S. M. C. Santos J. M. Carvajal M. J. N. Correia M. T. A. Reis M. R. C. Ismael J. M. R. Carvalho
Organization:
Canadian Institute of Mining, Metallurgy and Petroleum
Pages:
9
File Size:
129 KB
Publication Date:
Jan 1, 2008

Abstract

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A sulphide zinc concentrate (Zn-40%) has been leached in sulphuric and chloride media to optimize the conditions for the recovery of zinc and copper. Previous results showed that extractions of 95% zinc and 20% copper can be achieved in just one stage, after two hours of leaching at 80°C with a solution 0.5M in Fe2(SO4)3 and H2SO4 and a solid/liquid ratio of 5%. This work presents the results obtained in the leaching experiments carried out in sulphuric and chloride media using two and three crosscurrent stages and a countercurrent process simulation for a solid/liquid ratio of 10%.
Citation

APA: S. M. C. Santos J. M. Carvajal M. J. N. Correia M. T. A. Reis M. R. C. Ismael J. M. R. Carvalho  (2008)  Recovery of Zinc and Copper from a Zinc Concentrate by Atmospheric Direct Leaching Process

MLA: S. M. C. Santos J. M. Carvajal M. J. N. Correia M. T. A. Reis M. R. C. Ismael J. M. R. Carvalho Recovery of Zinc and Copper from a Zinc Concentrate by Atmospheric Direct Leaching Process. Canadian Institute of Mining, Metallurgy and Petroleum, 2008.

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