by AC Kasper 2018 Cited by 11 — The electrowinning tests showed a 94% recovery of the gold present in thiosulfate on the PCBs of mobile phones make pyrometallurgical recycling in small and In addition, milling allows the release of other metals (nickel, copper, etc.) Sodium hydroxide (NaOH) and sulfuric acid (H2SO4) were used to adjust the pH ofread more
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