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Metallic Minerals Corp. successfully extracted 99.9% pure copper from ore using a new eco-friendly electrochemical method.
Metallic Minerals Corp. has achieved lab-scale success in extracting 99.9% pure copper from chalcopyrite-rich ore at its La Plata project in Colorado using a new electrochemical process.
The method, developed with Columbia University, dissolves 70% of copper within four hours at ambient temperature without flotation or roasting, leveraging in-situ generated hydrogen peroxide.
Copper is recovered via high-purity electrodeposition, while silver, rare earth elements, platinum group elements, and gold remain in a recoverable iron-rich residue.
The system regenerates reagents, enabling a closed-loop, low-energy operation.
The breakthrough could offer a smelting alternative, supporting domestic processing and value retention of critical minerals, with further research underway to recover elements in the residue and evaluate intellectual property protection.
Metallic Minerals Corp. extrajo con éxito un 99,9% de cobre puro del mineral utilizando un nuevo método electroquímico ecológico.