University of Illinois Urbana-Champaign researchers have developed a new technique to safely extract valuable metals locked up in discarded electronics and low-grade ore using dramatically less energy ...

When you get rid of an old phone or tablet, you're likely to remove your valuable information from it, but what about the valuable materials – like gold – that it contains? Naturally, such substances ...

Start-up tech firms are racing to transform the way rare earths are refined for the clean energy transition, a push aimed at turbocharging the West’s expansion into the niche sector that underpins ...

More gold is recovered by cyanidation than by most other processes. In cyanidation, the metallic gold is oxidised and then dissolved in an alkaline cyanide solution. When the gold dissolution process ...

THOUGH electro-metallurgy may still be regarded as in its infancy, it is such a lusty youngster and is making such rapid progress that it is high time that a good manual on the subject in the English ...