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By Ernest Scheyder
May 11 (Reuters) - Rio Tinto Ltd, Freeport-McMoRan Inc and other global miners, spurred by rising prices and demand, are deploying a raft of new leaching technologies that can extract low concentrations of copper from waste rock and help avoid lengthy mine permitting delays.
Copper prices have nearly doubled in the past two years largely due to the electric vehicle industry's growth, with the demand prompting miners to find faster ways to produce the metal.
That has led the...
>>> Read more: Miners turn to bacteria and other new ways to leach copper from waste rock
May 11 (Reuters) - Rio Tinto Ltd, Freeport-McMoRan Inc and other global miners, spurred by rising prices and demand, are deploying a raft of new leaching technologies that can extract low concentrations of copper from waste rock and help avoid lengthy mine permitting delays.
Copper prices have nearly doubled in the past two years largely due to the electric vehicle industry's growth, with the demand prompting miners to find faster ways to produce the metal.
That has led the...
>>> Read more: Miners turn to bacteria and other new ways to leach copper from waste rock
