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The electrochemical recycling of printed-wiring-board etchants

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  • Recycling Electronic Scrap
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Abstract

The possibility of using electrolytic processing to regenerate etchants while simultaneously recovering copper used in the printed-wiring-board industry is considered for such systems as ferric chloride, acid, and ammoniacal-cupric chloride. This article discusses the cell design and anodic and cathodic processes, and concludes that the electrolytic process is ecofriendly with a minimal discharge of effluents.

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References

  1. G.N. Srinivasan et al., “Electrolytic Recovery of Copper with Simultaneous Regeneration of Ferric Chloride Etchants” (Paper presented at “Advances in Electrochemical Science and Technology” held at IISC, Bangalore, July 1999).

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Adaikkalam, P., Srinivasan, G.N. & Venkateswaran, K.V. The electrochemical recycling of printed-wiring-board etchants. JOM 54, 48–50 (2002). https://doi.org/10.1007/BF02701851

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  • DOI: https://doi.org/10.1007/BF02701851

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