Electrolytic method for extracting tin and/or lead contained in an electrically conductive mixture

Electrolytic method for extracting tin and/or lead contained in an electrically conductive mixture derived from waste, the method comprising the steps of:

• a) forming an anode from said electrically conductive mixture,
• b) preparing an electrolytic solution comprising methanesulfonic acid) at a concentration of between 150 g/l and 250 g/l, and tin methanesulfonate at a concentration of between 10 g/l and 60 g/l of tin and/or lead methanesulfonate MSPb at a concentration of between 5 g/l and 120 g/l of lead,
• c) providing a cathode,
• d) at least partly immersing said anode and cathode in the electrolytic solution, and
• e) applying an electric current between said anode and said cathode, via an electrical device, in order, by oxidation, to lixiviate the tin and/or lead of the anode, and to allow the deposition on the cathode of the tin and/or lead initially contained in the electrically conductive mixture.