Vedanta Resources copper business is comprised of operations in India, Zambia and Australia. Vedanta's Indian copper business is principally one of custom smelting and is operated by Sterlite, while the Zambian copper business is owned and operated by KCM.
How copper is made material, used, processing, steps
The process of extracting copper from copper ore varies according to the type of ore and the desired purity of the final product. Each process consists of several steps in which unwanted materials are physically or chemically removed, and the concentration of copper is progressively increased.
Most copper ores contain only a small percentage of copper metal bound up within valuable ore minerals, with the remainder of the ore being unwanted rock or gangue minerals, typically silicate minerals or oxide minerals for which there is often no value.
At Rio Tinto213;s Kennecott Utah Copper, we mine essential elements that make modern living possible. From medicine, food and shampoo, to cell phones, computers, scans and hybrid electric cars, nearly everything you use today relies on
Rio to build power plant at Oyu Tolgoi copper gold mine
Mining giant Rio Tinto (LON, ASXRIO) will seek approval to build a power plant at its giant Oyu Tolgoi copper and gold mine in Mongolia and so comply with a investment agreement that calls for local suppliers to power the operation. The move, however, would add further costs to an ongoing 5