Production of copper concentrate has commenced at
The mine initially began producing electrolytic copper in 1995 using leaching and the SX-EW method (), and operations have been ongoing since then. The new development project is aimed at extracting deep sulfide ores, and major construction work, such as building a concentrator, has been completed, leading to the commencement of copper concentrate production. Facility ramp-up is currently in progress, with full-scale production expected in the second quarter of this fiscal year.
MMC has the right to offtake 30% of the copper production. The produced copper concentrate is anticipated to be clean with low impurities, ensuring a stable supply of copper resources over the long term until 2041.
SX-EW: Solvent extraction and electrowinning - A hydrometallurgy process comprising solvent extraction and electrowinning
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