Copper leaching with aqueous foams for the processing of electronic waste
Emilie Régnier,
Agathe Hubau,
Solène Touzé
et al.
Abstract:Aqueous foams have been used in various hydrometallurgical processes, and have recently emerged as an alternative technique for the leaching of metallic copper, using hydrochloric acid and O 2 from air as an oxidant. In the present study, we describe how this technique has been successfully applied to the leaching of copper from waste printed circuits boards (WPCBs). First of all, the use of HCl based foams was successfully applied to the leaching of sole copper, and the impact of the size of copper particles … Show more
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