Effect of fluid velocity of the electrolyte on the copper electrorefining

A. Tsubouchi, T. Nakamura, F. Noguchi, T. Takasu

Research output: Contribution to conferencePaper

3 Citations (Scopus)

Abstract

A high current density operation is desired to improve the productivity in copper electrorefining. However, a lot of problems still remain such as passivation at anode, dendritic deposition at cathode and impurity behavior during the electrorefining. Effects of the current density on the morphology of copper deposition on the cathode, and passivation at the anode were investigated at various fluid velocity of electrolyte in the present study. Although a granular appearance of the copper deposition was obtained with increasing high current density, it was depressed by an increase of the fluid velocity of the electrolyte. A uniform deposition on the cathode was also observed when the fluid velocity of the electrolyte become higher. It was ascertained that passivation at the anode was suppressed by circulating electrolyte during electrolysis.

Original languageEnglish
Pages3-18
Number of pages16
Publication statusPublished - 1997 Dec 1
EventProceedings of the 1997 TMS Annual Meeting - Orlando, FL, USA
Duration: 1997 Feb 101997 Feb 13

Other

OtherProceedings of the 1997 TMS Annual Meeting
CityOrlando, FL, USA
Period97/2/1097/2/13

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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    Tsubouchi, A., Nakamura, T., Noguchi, F., & Takasu, T. (1997). Effect of fluid velocity of the electrolyte on the copper electrorefining. 3-18. Paper presented at Proceedings of the 1997 TMS Annual Meeting, Orlando, FL, USA, .