extracting metal from ore by roasting

roasting copper ore

copper processing Roasting Encyclopaedia Britannica The extraction of copper from its ores and the preparation of copper metal or chemical compounds for use in

sintering roasting

sintering ore furnace Copper processes sintering roasting smelting converting During extraction and refining the valuable metals are separated from the

Metallurgy Chemistry

The next metal to be discovered was antimony which was extracted from antimony sulphide after roasting metal Pyro metallurgy extract metals from their ores