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Journal of Applied Electrochemistry

, Volume 26, Issue 6, pp 567–574 | Cite as

Electrochemical remediation of metal-bearing wastewaters Part I: Copper removal from simulated mine drainage waters

  • T. L. Hatfield
  • T. L. Kleven
  • D. T. Pierce
Article

Abstract

A bench-scale electrochemical cell for plating heavy metals, such as copper from dilute wastewaters, was designed and tested. Optimization tests were performed on simulated mine-drainage water (pH 2.6, 0.1 M Na2SO4, 0.02 Ω−1 cm−1, 150 mg L−1 Cu2+) using a vertically oriented, flow-through cell containing a carbon felt cathode. Results obtained for optimized conditions of applied potential and volume flow rate demonstrated greater than 99.9% recovery of copper metal from feed solutions at an ohmic corrected potential of −0.70 V vs Ag/AgCl and flow rates approaching the design maximum of about 0.30 mL s−1. The effluent concentration of copper under conditions of optimum potential and flow rate could be routinely reduced to a target level of 50 μg L−1.

Keywords

Copper Na2SO4 Volume Flow Electrochemical Cell Drainage Water 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1996

Authors and Affiliations

  • T. L. Hatfield
    • 1
  • T. L. Kleven
    • 1
  • D. T. Pierce
    • 1
  1. 1.Department of ChemistryUniversity of North DakotaGrand ForksUSA

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