Copper Mining and Processing: Processing of Copper Ores .Copper processing is a complicated process that begins with mining of the . The resulting "pregnant" leach solution of sulfuric acid and copper sulfate is collected in a small pool. . The last step is called electrowinning, a type of electrolysis.electrolytic leach extraction process,SX-EW (solvent extraction and electrowinning) | KGHM Corporate .SX-EW technology involves leaching (the process of dissolving useful ingredients . of electrolytic copper is produced annually by means of the SX/EW method.
electrolytic leach extraction process