Non-Ferrous Metals and Their Alloys New Innovative Technologies in Production of Non-Ferrous Metals
Keywords:
chalcopyrite, bornite, covelite, chalcocite, tenorite (melakonite), cuprite, azurite, copper content is 1-2%, poor ores average 0.5%,Abstract
It should be noted separately that among the copper ores used in industry, natural ores (containing 99.9% copper) are used very little, and this accounts for 5% of the world's copper wealth. Copper sulfide compounds (ores) are the most common and account for about 80% of the world's reserves. The most common of these ores is chalcopyrite CuFeS2, followed by chalcocite Cu2S, bornite Cu3FeS3 and covelite CuS. Copper oxide ores make up about 15% of the world's reserves. Its representatives are malachite CuCO3*Cu(OH)2, cuprite Cu2O, tenorite (melaconite) CuO, azurite 2CuSO3 Cu(OH)2 and others. In ores used in industry, the amount of copper is 1-2%, poor ores on average 0.5%, the richest ores 3% or more.
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