how is copper extracted from its ore step by step

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Copper extraction

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source local environmental regulations and other factors.

Copper Mining and Production Processes Explained

Copper ores. An ore is a rock containing enough valuable mineral to make it worth extracting. In the case of copper it is worth extracting when there is about 2 kg of copper per 1000 kg of ore 0.2 . Copper minerals are found in over one hundred varieties although only a few have been worked for copper on a large scale.

Extraction Of Copper Mining Concentration Smelting

Copper Smelting means that the concentrated ore is heated strongly with silicon dioxide silica calcium carbonate CaCO 3 and air in a furnace. The major steps in the extraction of copper are. Copper in Chalcopyrite is reduced to copper sulphide. Just like in Blast Furnaces calcium carbonate is added as a flux to create the slag.

Processes extraction mining smelting refining leaching

Copper Ores. An ore is a rock containing enough valuable mineral to make it worth extracting. In the case of copper it is worth extracting when there is about 2 kg of copper per 1000 kg of ore 0.2 . Copper minerals are found in over one hundred varieties although only a few have been worked for copper on a large scale.

From Ore to Finished Product Copper

4. Beneficiation of Copper Ore. The next step in processing is called beneficiation. This is the first step in concentrating the copper into a more useable form. 5. Smelting and Extraction. The next step in the process flow is smelting for sulfide ore concentrate and solvent extraction for oxide ore leach solution. 6.

How is copper extracted from its sulphide ore Explain the

Copper from Cu2S can be obtained from its ore simply by heating in air. I First step is the heating of sulphide ore of copper in the presence of an excess of air. This process is known as roasting. II The second step is the selfreduction of copper. I 2Cu2S 3O2 g 2Cu2O s 2SO2 g II 2Cu2O Cu2S 6Cu s SO2 g

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