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  2. Bayer process - Wikipedia

    en.wikipedia.org/wiki/Bayer_process

    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]

  3. List of alumina refineries - Wikipedia

    en.wikipedia.org/wiki/List_of_alumina_refineries

    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

  4. Alpart - Wikipedia

    en.wikipedia.org/wiki/Alpart

    Alumina Partners of Jamaica, also known as Alpart, is a company that owns and operates a bauxite refinery in Nain, Jamaica. [1] Alpart was founded in 1969 as a joint venture by Kaiser Aluminum, Reynolds Aluminum, and Anaconda. [2] Alpart exports 1.65 million tonnes of alumina overseas per year, and earned gross revenues of US$1.3 billion in ...

  5. Will Alumina and Bauxite Benefit Alcoa's (AA) Q1 Earnings? - AOL

    www.aol.com/news/alumina-bauxite-benefit-alcoas...

    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.

  6. Bauxite, Alumina Operations in Western Australia Receive ...

    www.aol.com/news/bauxite-alumina-operations...

    PITTSBURGH-(BUSINESS WIRE)-Alcoa Corporation, a global leader in bauxite, alumina and aluminum, today announced that its portfolio of bauxite mines and alumina refineries in Western Australia have ...

  7. National Aluminium Company - Wikipedia

    en.wikipedia.org/wiki/National_Aluminium_Company

    The company pursues its R&D activities fervently and has already filed 36 patents out of which 17 patents have been granted and 5 have been commercialized until Dec 2018. The company is the lowest-cost producer of metallurgical grade alumina in the world and lowest-cost producer of bauxite in the world as per a Wood McKenzie report.

  8. List of aluminium smelters - Wikipedia

    en.wikipedia.org/wiki/List_of_aluminium_smelters

    Ma’aden Aluminium Company (MAC) 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

  9. Rio Tinto Aluminium - Wikipedia

    en.wikipedia.org/wiki/Rio_Tinto_Aluminium

    It was the world's eighth largest aluminium company. It mines and manufactures bauxite, alumina and primary aluminium. Rio Tinto Aluminium is a wholly owned subsidiary of Rio Tinto Group and provides about 20% of Australia's total production of bauxite, 8% of its alumina and 24% of its primary aluminium.