Analysis of the process main variables influence in the rejection of the cathodes during copper electrorefining

Authors

  • G. Cifuentes Facultad de Ingeniería, Universidad de Santiago de Chile
  • C. Vargas Facultad de Ingeniería, Universidad de Santiago de Chile
  • J. Simpson Facultad de Ingeniería, Universidad de Santiago de Chile

DOI:

https://doi.org/10.3989/revmetalm.0729

Keywords:

Copper, Electrorefining, Cathodic rejection

Abstract


An experimental circuit of copper electrorefining using three types of anodes coming from three different Chilean foundries: Hernán Videla Lira, Las Ventanas and El Teniente was used to simulate the electrorefining process. In this circuit the problem of the cathode rejection and the influence of some process variables in this phenomenon were studied. The variables analyzed were: electrolyte cell flow, solids in suspension, current density, lead doping in the anodes and density and particle size of the anodic slimes generated. The main results obtained from the experimental circuit were the following: the electrolyte flow doesn’t affect significantly the cathodic rejection, an increase of current density produces a decrease of cathodic rejections, the presence of the solids in suspension causes cathodes outside of norm, and to bigger quantity of lead in the anodes smallest were the rejections.

Downloads

Download data is not yet available.

References

[1] T. B. Braun Et. Al., Extractive Metallurgy of Copper, Vol. 1, J. C. Yannoupoulos and J. C. Agarwel (Eds.), AIME, Port City Press, 1976.

[2] P. Mackey y A. Wraith, Miner. Process. Extractive Metall. 13 (2004) 25-37. doi:10.1179/037195504225004652

[3] W. C. Copper, Minerales, 43, Nº183, 1988.

[4] J. D. Scott, Metall. Mater. Trans. B 21 () 629- 635.

[5] F. Noguchi, N. Lida, T. Nakamura e Y. Ueda, Metall. Revi. MMIJ 8 (1992).

[6] B. R. Conrad, Copper Hydrometallurgy, Copper 95- Cobre 95, 1995.

[7] E. N. Petkova, Hydrometallurgy 34(1994) 343- 358. doi:10.1016/0304-386X(94)90071-X

[8] Z. H. Gu, J. Chen y T. Z. Fahidy, Hydrometallurgy 37(1995) 149-167. doi:10.1016/0304-386X(94)00044-4

[9] G. Cifuentes Et Al., EPD Congress, TMS Annual Meeting, San Diego, EE.UU., Marzo, 1999, pp. 645-647.

[10] Z. Mubarok, I. Filzwieser Y P. Paschen, Erzmetall 58 (2005) 203-209.

[11] A. Lafront, B. Veilleux Y E. Ghali, J. Appl. Electrochem. 32 (2002) 329-337. doi:10.1023/A:1015589725641

[12] X.Y. Liu, J. Chem. Phys. 113 (2000) 8.807- 8.816.

[13] J. Dutrizac y T. T. Chen, Proc. Electrorefining and Electrowinning of Copper, 383-403.

[14] E. N. Petkova, Hydrometallurgy 46 (1997) 277- 286. doi:10.1016/S0304-386X(97)00024-8

[15] J. B. Hiskey X. Cheng y, Metall. Trans. B 27B (1998) 53-58.

[16] D. Suárez Y F. Olson, J. Appl. Electrochem. 22 (1992) 1.002-1.010.

[17] B. Veilleuz, A. Lafront Y E. Ghali, Can. Metall. Quart. 40 (2001) 343-354.

[18] B. Veilleuz, A. Lafront Y E. Ghali, Can. Metall. Quart. 41(2002) 47-62.

[19] G. Cifuentes Et Al., Proc. Copper ’99, Volumen III, Phoenix, Arizona, EE.UU., 1999, 427-435.

[20] A. Naranjo, Trabajo de Titulación, Facultad de Ingeniería, Universidad de Santiago de Chile, 2000.

Downloads

Published

2009-06-30

How to Cite

Cifuentes, G., Vargas, C., & Simpson, J. (2009). Analysis of the process main variables influence in the rejection of the cathodes during copper electrorefining. Revista De Metalurgia, 45(3), 228–236. https://doi.org/10.3989/revmetalm.0729

Issue

Section

Technical Notes

Most read articles by the same author(s)

1 2 > >>