In 2022, humans produced an estimated 62 million tonnes of electronic waste – enough to fill more than 1.5 million garbage trucks. This was up 82% from 2010 and is expected to rise to 82 million ...

KEDOUGOU, Senegal (AP) — The quickest way to separate gold from rock, Sadio Camara says, is with a drop of mercury. She empties a dime-sized packet of the silvery liquid into a plastic bucket of muddy ...

An interdisciplinary team of experts in green chemistry, engineering and physics at Flinders University in Australia has developed a safer and more sustainable approach to extract and recover gold ...

LEADVILLE — Millions of tons of waste from decades-old mining operations sit in the hills east of town. The brown and orange piles of abandoned ore rise 30 feet, peeking over the pines. A company in ...

Refractory gold ores present significant challenges to conventional extraction methods. In these ores, gold is tightly encapsulated within sulphide minerals or locked by carbonaceous matter, thereby ...

Gold recovery from carbonaceous ores represents a significant challenge in mineral processing due to the inherent presence of organic carbonaceous matter that can adsorb gold cyanide complexes, a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. KEDOUGOU, Senegal (AP) — The quickest way to ...