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Aluminium smelting is the process of extracting aluminium from its oxide, alumina, generally by the Hall-Héroult process.Alumina is extracted from the ore bauxite by means of the Bayer process at an alumina refinery.
Straumsvik, near Hafnarjordur: 205,000 [8] Rio Tinto: On 19 September 2018, Norsk Hydro backed out of its deal to buy Rio's Icelandic Smelter. [10] Iceland: Helguvíkurvegur, near Keflavík: 250,000: Nordic Aluminum Co (Norðurál), subsidiary of Century Aluminum: Partially complete. Construction suspended in 2008. India: Korba: 570,000
In 2014, by contrast, the US ranked sixth in primary aluminum production, and provided only 3.5% of world production. US production of primary aluminum peaked in 1980 at 4.64 million metric tons. Since then, US primary aluminum production has fallen by more than half, but secondary production has increased, making up much of the difference.
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Century Aluminum Company is a US-based producer of primary aluminum, with aluminum plants in Kentucky, South Carolina and Iceland. It is the largest producer of primary aluminum in the United States. [1] The company is a publicly held corporation listed on the NASDAQ. The headquarters is at One South Wacker in Chicago. [2] [3]
Alcoa is a major producer of primary aluminum, fabricated aluminum, and alumina combined, through its active and growing participation in all major aspects of the industry: technology, mining, refining, smelting, fabricating, and recycling. [4]
0 - since at least 2010 only aluminum, not alumina, produced by the company 100% Zavod SNP [5] (United Nations 2000) Slovenia Talum Alumina 0 - since at least 2010 only aluminum, not alumina, produced by the company 100% Eti Holding S.A. [5] Suriname Paranam
Site remediation work commenced in 2016 with an estimated 2020 completion date. [ 30 ] [ 31 ] Stage 1 of demolition of the Aluminium Smelter was undertaken by CMA contracting and began in May 2017. [ 6 ] [ 32 ] The demolition included removal of all three potlines, asbestos waste elimination and recycling of waste materials. [ 32 ]