Bioleaching unlocks revenue from low-grade ores, but the cost-effective copper extraction process is struggling to get off the ground.

A bacterium contained in drainage from old mines can enrich copper to the level of copper ore, a research team said.

When easy options run out, industries get inventive. That’s where copper miners find themselves. Faced with vigorous demand, ...

Decrease in transportation costs and greenhouse gas emissions (GHGs) due to a reduction of transported material from mine to mill Decrease energy consumption at the mill due to the higher feed grade ...