Freeport-McMoRan, Rio Tinto and BHP are among the miners testing sulfide leaching as tariff threats send copper prices ...

“Copper sulfide minerals require specialized leaching conditions to achieve high recovery rates. Metso’s Cu POX leaching utilizes high-temperature oxidation to convert sulfide sulfur into ...

Yukoners Concerned has put forward the petition, which will make its way to the territorial legislature this month ...

Metso Copper Hydrometallurgy technology manager Petteri Pesonen said: “Copper sulphide minerals require specialised leaching ...

Gold recovery has been boosted and reagent consumption reduced through optimisation efforts by South African mineral ...