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Outotec has extensive experience in leaching of copper ores and concentrates in sulphate and chloride environment.
Reactor leaching is an option for copper secondaries whereas primaries are leached in chloride environment.
In chloride environment Outotec's HydroCopper process is an effective and viable process for low-grade concentrates. Read more on HydroCopper® process. For further information, please contact hydro(at)outotec.com