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Alumina Company of Guinea, ACG - operating the Friguia bauxite-alumina complex at Fria [8] Societé des Bauxites de Kindia SBK - state-owned, operates the Kindia mining operations; operated by Rusal (Russia Aluminium) and exports bauxite to Ukraine; Global Alumina Products Corporation, proposed smelting operation in Conakry; Kinia - refinery [8 ...
The Bayer process is the principal industrial means of refining bauxite to produce alumina (aluminium oxide) and was developed by Carl Josef Bayer.Bauxite, the most important ore of aluminium, contains only 30–60% aluminium oxide (Al 2 O 3), the rest being a mixture of silica, various iron oxides, and titanium dioxide. [1]
100% Silkem Hungary, specialty alumina only since 2013 Hungary MOTIM-Magyarovar Alumina 75 GPS Kft., [23] specialty alumina only since 2002 India Hindalco, Belgaum Alumina Refinery 138 100% Hindalco: Russia Boksitogorsk Alumina Refinery: 100% United Company of Rusal [1] USA Baton Rouge, Louisiana specialty alumina only [24] 100% Honeywell [25] USA
Jun 26, 2019 : Alcoa has 25.1% interest in Ma’aden Aluminium Company (MAC), which owns and operates the Aluminium smelter and in Ma’aden Bauxite and Alumina Company (MBAC), which owns and operates the bauxite mine in Al Ba’itha and the alumina refinery both in Ras Al Khair Industrial City. Slovakia: Ziar nad Hronom: 160,000
Solid demand for bauxite and alumina products from customers and Alcoa's (AA) pricing actions and focus on improving operational efficiency are anticipated to have boosted its Q1 earnings.
Additionally, the group has invested US$930 million to build an alumina refinery in West Kalimantan, which processes bauxite ore into alumina. This refinery produces 1 million tons of alumina per year and is currently in full operation. [10] [11] [12] Glencore International is a shareholder in Harita's Bauxite Division in PT Cita Mineral ...
2023 bauxite production and reserves (thousands of tons) [1] Country Production Reserves World: 400,000: 30,000,000
Rio Tinto also performs processing on some of these materials, with plants dedicated to processing bauxite into alumina and aluminium, and smelting iron ore into iron. The company also produces other metals and minerals as by-products from the processing of its main resources, including gold, silver, molybdenum , sulphuric acid , nickel, potash ...