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aluminum process

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  • how aluminium is made - norsk hydro

    How aluminium is made - Norsk Hydro

    How it’s made Raw material. Bauxite. ... Refining process. Alumina is separated from the bauxite by using a hot solution of caustic soda and lime. Pure alumina.

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  • aluminium - wikipedia, the free encyclopedia

    Aluminium - Wikipedia, the free encyclopedia

    Aluminium (in Commonwealth English) or aluminum (in American English) is a chemical element in the boron group with symbol Al and atomic number 13.

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  • how aluminum is produced

    How Aluminum is Produced

    STEP 5-Calcination: Calcination is a heating process to remove the chemically combined water from the alumina hydrate. That's why, once the hydrated alumina is ...

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  • how aluminum is made - material, manufacture,...

    How aluminum is made - material, manufacture,...

    Aluminum is manufactured in two phases: the Bayer process of refining the bauxite ore to obtain aluminum oxide, and the Hall-Heroult process of ...

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  • extrusion - wikipedia, the free encyclopedia

    Extrusion - Wikipedia, the free encyclopedia

    Extrusion is a process used to create objects of a fixed cross-sectional profile. A material is pushed through a die (a certain manufacturing tool) of the desired ...

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  • aluminum processing | britannica.com

    aluminum processing | Britannica.com

    Aluminum processing, aluminum processing Sean Gallup/Getty Images preparation of the ore for use in various products. Aluminum, or aluminium (Al), is a silvery white ...

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  • alumina refining | the aluminum association

    Alumina Refining | The Aluminum Association

    Alumina Refining. Quick Read. ... The Bayer process gained importance in the aluminum production industry when combined with the Hall–Héroult electrolytic process.

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  • alcoa rpd: about alcoa rigid packaging: how ...

    Alcoa RPD: About Alcoa Rigid Packaging: How ...

    A large machine called a cupping press starts the can shaping process. The press cuts circular discs from the aluminum sheet and forms them into shallow cups.

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