Copper Fire refining The initial product of copper smelting was impure black copper, which a preliminary refining process was necessary to remove silicon
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11 After refining, the copper cathodes are melted and cast The recovery of sulfuric acid from the copper smelting process not only provides a profitable
Copper Production Copper The next step in the process flow is smelting for sulfide ore concentrate and solvent extraction for oxide ore leach solution 6 Refining
Copper Electrorefining potential only introduces an extra variable into the process But different copper minerals require different conditions to
Smelting Refining Smelting The Oxygen Flash Furnace At the Asarco copper smelter in Hayden, Arizona, the oxygen flash furnace is initially heated up with natural gas
United States Patent O 8 Claims (in 7575 The present invention relates to a pyrometallurgical refining process for copper An object of the present invention is to