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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页码:48 / 50
页数:2
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[1]
Hills MR.(1979)The Electrolytic Regeneration of Spent Ferric Chloride Etchant Trans. IMF 57 73-73
[2]
Srinivasan G.N.(1998)Electrolytic Recovery of Copper and Regeneration of Cupric Chloride Etchant Trans. IIM 51 379-382