High arsenic copper concentrates International Mining
In the PTPA plant dust is acid leached to produce copper pregnant leach solution which is pumped 7km to Codelco s Chuquicamata mine where it is used to produce copper cathodes The leaching waste with 7% Cu is dried and conditioned before being sent to the Chuquicamata smelter for processing The PAAA plant treats copper rich solution produced by the PTPA and leached waste from the