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Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium. Bauxite consists mostly of the aluminium minerals gibbsite (Al(OH)3), boehmite (γ-AlO(OH)) and diaspore (α-AlO(OH)), mixed with the two iron oxides goethite (FeO(OH)) and haematite (Fe2O3), the aluminium clay mineral kaolinite (Al2Si2O5(OH)4) and small amounts of anatase (TiO2) and ilmenite (FeTiO3 or FeO.TiO2). Bauxite appears dull in luster and is reddish-brown, white, or tan.
The economy of Guinea is dependent largely on agriculture and other rural activities. Guinea is richly endowed with good minerals, possessing an estimated quarter of the world's proven reserves of bauxite, more than 1.8 billion tonnes of high-grade iron ore, significant diamond and gold deposits, and undetermined quantities of uranium. In 2021, Guinea was the world's biggest exporter of Aluminium Ore 2021 trade surplus was $4.3B.
Rio Tinto Alcan is a Canada-based mining company. Headquartered in Montreal, Quebec, it is a subsidiary of global mining conglomerate Rio Tinto. It was created on 15 November 2007 as the result of the merger between Rio Tinto's Canadian subsidiary and Canadian company Alcan.
Norsk Hydro ASA is a Norwegian aluminium and renewable energy company, headquartered in Oslo. It is one of the largest aluminium companies worldwide. It has operations in some 50 countries around the world and is active on all continents. The Norwegian state owns 34.3% of the company through the Ministry of Trade, Industry and Fisheries. A further 6.5% is owned by Folketrygdfond, which administers the Government Pension Fund of Norway. Norsk Hydro employs approximately 35,000 people. Hilde Merete Aasheim has been the CEO since May, 2019.
Rio Tinto Aluminium is now known as Rio Tinto Alcan after Rio's takeover of Alcan. It was the world's eighth largest aluminium company. It mines and manufactures bauxite, alumina and primary aluminium.
Nhulunbuy is a town and locality in the Northern Territory of Australia. Founded on the Gove Peninsula in north-east Arnhem Land when a bauxite mine and deep water port were established in the late 1960s, the town’s economy largely revolved around its alumina refinery until it closed in May 2014.
Worsley is a town in Western Australia located in the South West region near the town of Collie. The town is within the Shire of Collie.
Aluminum Corporation of China Limited, is a multinational aluminium company headquartered in Beijing, People's Republic of China. It is a public company, listed in Hong Kong and in New York. In 2021, it was the world's largest aluminum producer, ahead of China Hongqiao Group, Rusal and Shandong Xinfa.
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Aluminium in Africa originates from bauxite, and within Africa is primarily found in Guinea, Mozambique and Ghana. Guinea is by far the biggest producer in Africa, and is a world leader in bauxite production.
Halco Mining is an aluminium company based at Pittsburgh, Pennsylvania (USA). The company is organized under the laws of the state of Delaware in the United States. Halco is the 51% owner of the stock of Compagnie des Bauxites de Guinée, the primary aluminium mine and smelter operator in Guinea, known as CBG.
United Company RUSAL, international public joint-stock company is the world's second largest aluminium company by primary production output. It was the largest until overtaken by China Hongqiao Group in 2015. UC RUSAL accounts for almost 9% of the world's primary aluminium output and 9% of the world's alumina production.
Queensland Alumina Limited (QAL) is one of the largest alumina refineries by alumina production capacity in the world, located in Parsons Point, South Trees, Gladstone, Queensland, Australia.
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The Australian Aluminium Council is an Australian industry association representing companies involved in bauxite mining and the refining, production and distribution of aluminium.
Alumina Partners of Jamaica, also known as Alpart, is a company that owns and operates a bauxite refinery in Nain, Jamaica. Alpart was founded in 1969 as a joint venture by Kaiser Aluminum, Reynolds Aluminum, and Anaconda. Alpart exports 1.65 million tonnes of alumina overseas per year, and earned gross revenues of US$1.3 billion in 2007. As of 2011, previous partner Hydro divested its 35% stake to Rusal which assumed 100% stake in Alpart, wholly owned by RusAl the refinery has paused operations due to the company's alumina product experiencing a drastic 60 per cent price reversal since July 2008 with the temporary shutdown allowing the plant to be prepared for future developments that may see the industry emerging from the economic downturns it has faced.
Bauxite mining in Australia is an economically significant industry both for Australia and globally. The industry focuses on the mining of bauxite, the primary raw material for alumina and aluminium. Australia is the world's largest bauxite producer, producing almost a third of global bauxite.
South32 is a mining and metals company headquartered in Perth, Western Australia. It was spun out of BHP Billiton on 18 May 2015. It is listed on the Australian Securities Exchange with secondary listings on the Johannesburg and London Stock Exchanges.
Compagnie des bauxites de Guinée (CBG) is a Guinean mining company. Since 1963 it has extracted bauxite from the notable mine in Sangarédi, in Boké Region in Guinea. It is 49% owned by the Guinean State, with the remainder owned by the Boké Investment Company, a 100%-owned subsidiary of Halco Mining, a consortium opened in 1962 by Harvey Aluminum Company to run mining operations in Guinea. Halco's stock is owned by Alcoa (45%), Rio Tinto Alcan (45%) and Dadco Investments (10%).
References
- 1 2 3 4 5 6 7 "Alumina Division". Rusal. Archived from the original on 2006-12-03. Retrieved 2007-03-14.(in English)
- ↑ "Rio Tinto - Alumina, aluminium and bauxite - Key data". Rio Tinto. Archived from the original on 2007-09-27. Retrieved 2007-03-14.(in English)
- 1 2 3 4 5 6 7 8 9 "Alumina Limited:: The AWAC Business". Alumina Limited. Archived from the original on 2006-10-25. Retrieved 2007-03-14.(in English)
- ↑ "South32 - Worsley Alumina". Worsley Alumina.(in English)
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 "Alumina Refineries - AME Mineral Economics". AME Research. Archived from the original on 2006-12-06. Retrieved 2007-03-15.(in English)
- ↑ "Alunorte". Norsk Hydro. Retrieved 2020-06-10.(in English)
- ↑ "Companhia Vale do Rio Doce". Companhia Vale do Rio Doce. Archived from the original on 2006-06-13. Retrieved 2007-03-15.(in English)
- 1 2 3 4 5 6 7 8 9 10 11 "ALUMINUM CORPORATION OF CHINA LIMITED Form 20-F". SEC. 22 April 2020.
- ↑ "Dadco Alumina". Dadco. Retrieved 2021-06-14.(in English)
- ↑ "SANGAREDI REFINERY PROJECT BRIEFING PAPER". BHP Billiton. Archived from the original (PDF) on 2011-07-07. Retrieved 2009-08-30.(in English)
- ↑ "RUSAL - Aughinish Alumina". Archived from the original on 2007-09-27. Retrieved 2007-09-08.
- ↑ "RUSAL - Euralumina". Archived from the original on 2007-09-27. Retrieved 2007-09-08.
- ↑ "Alumina producer stops production in Romania amid high cost of energy". 30 June 2022.
- 1 2 3 4 "Operating Locations". SUAL Group. Archived from the original on 2007-01-31. Retrieved 2007-03-15.(in English)
- ↑ "EGA's Operations Al Taweela". Emirates Global Aluminium. Retrieved 2020-06-09.
- ↑ "New Day to add new alumina line at Gramercy | American Metal Market | Fastmarkets AMM".
- ↑ "Untitled". Brownfields Recovery Corp. Retrieved 2007-03-16.(in English)
- ↑ "Hundreds of laid-off workers from shuttered Burnside plant say they're still owed benefits". 4 October 2020.
- ↑ "Sherwin Alumina Company". Sherwin Alumina Company. Retrieved 2007-03-16.(in English)
- ↑ Sherwin Alumina to close Gregory plant
- ↑ "CVG-Bauxilum". CVG-Bauxilum. Retrieved 2007-03-16.(in English)
- ↑ "Investor Relations". nabaltec.de. Retrieved 2023-12-20.
- ↑ https://www.magyarhirlap.hu/belfold/20210208-felfaltak-mara-a-baloldal-vezetojet-a-motim-kishalai.
{{cite web}}: Missing or empty|title=(help) - ↑ "Stallworth, Honeywell UOP Baton Rouge plan for major investment - BIC Magazine".
- ↑ "Honeywell - Baton Rouge UOP - Plant Manager Message - UOP BatonRouge".
- ↑ Sherwin Alumina closes Gregory plant