A rushing river in Nord Trøndelag County near the Swedish border is slowly giving up its secrets This summer archaeologists excavated a smeltery on a little island where advanced metal production was carried out in the 1300s This is the first evidence that copper was produced from copper
Some prospectors are interested in the methods of processing sulfide ores to extract their values The two of the best known processes are smelting and roasting
Copper is commercially produced mainly by smelting or leaching usually followed by electrodeposition from sulfate solutions For a detailed treatment of the production of copper see copper processing
Copper is a chemical element with symbol Cu from Latin cuprum and atomic number 29 It is a soft malleable and ductile metal with very high thermal and electrical conductivity
Copper extraction refers to the methods used to obtaining copper from its conversion of copper consists of a series of chemical physical and electrochemical processes