Recovery efficiency depends on far more than the nominal gold, silver or platinum content of a feed. Feed chemistry, particle size, impurity loading, moisture,…
LED chip scrap looks small and clean compared with mixed electronic waste, yet its economic value can be difficult to capture. Gold may occur in bonding wires,…
Electronic waste rarely arrives as a clean concentration of copper, gold, silver and palladium. Printed circuit boards, connectors and other components are…
Telecommunication circuit boards contain small but valuable concentrations of gold, silver, palladium and copper. These metals are found in plated contacts,…
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Recovering gold, silver, palladium and other valuable metals from electronic waste requires more than an effective separation process. A modern plant must also…
Electronic waste rarely arrives as a uniform raw material. A shipment may contain printed circuit boards from mobile phones, low-grade computer boards, telecom…
Thermocouple wire is a small but valuable source of platinum-group metals. In high-temperature instruments, platinum-rhodium alloys provide stability, accuracy…
Recovering precious metals from electronic waste depends on releasing valuable coatings from the materials beneath them. Gold, silver, palladium and copper may…