make a research of how copper is processed
Answers
Answer:
Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. Open pit: 90% of ore is mined by this method. Ores near the surface can be quarried after removal of the surface layers.
Answer:
Copper can be extracted from its ore by:
Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore.
Open pit: 90% of ore is mined by this method. Ores near the surface can be quarried after removal of the surface layers. The ore is treated with dilute sulfuric acid. This trickles slowly through the ore dissolving copper to form copper sulfate. The copper is recovered by electrolytic refining. Advantages of this process are: See for further information on the leaching process.
Escondida mine (BHP Billiton)
Escondida in Chile is the biggest copper producer in the world, accounting for 5% of global production. (Courtesy of BHP Billiton.)
Copper ore being loaded into trucks
Copper ore is loaded into trucks. In some mines these trucks have no driver. (Courtesy of Codelco.)
GPS-guided driverless truck (Codelco)
This truck carrying copper ore has no driver. It is guided by a GPS system. Can you see the GPS antenna? (Courtesy of Codelco.)
Explanation:
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