Copper Electrowinning from Supercritical Leachate of Printed Circuit Boards

The technological development propitiates the rapid replacement of electrical and electronic equipment, which makes it indispensable to develop recycling processes for treatment this equipment when discarded. Printed circuit boards (PCBs) are fundamental components equipment. PCBs composed ceramics, polymers, metals. Copper is metal that present in greatest percentage mobile phone PCBs. objective study was recover copper form metallic deposits from a solution extracted comminuted through supercritical CO2 presence cosolvents (H2O2 H2SO4). A synthetic CuSO4 employed determine ideal current density range 250 540 A/m2. electrowinning leachate performed at determined density. Using A/m2, pH equal 4, temperature 25 °C, efficiency around 100% achieved real solution. deposit obtained showed concentration 95.97 wt%, recovering 40% contained 300 min electrowinning. It observed longer time, recovery could increase.