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how does aluminum ore become aluminum

  • How aluminum is made - material, manufacture, making, used ...

    Pure, metallic aluminum can be economically produced only from aluminum oxide ore. Metallic ... It is strong but easily workable, and it retains its strength under extreme cold without becoming brittle. ... Aluminum compounds occur in all types of clay, but the ore that is most useful for producing pure aluminum is bauxite.

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  • Aluminium production process - Aluminium Leader

    How aluminium is produced. The pure form of aluminium does not naturally occur in nature, so remained largely unknown until as recently as 200 years ago. Creating aluminium using electricity was first developed in 1886 and is still used to this day.

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  • Aluminium - Wikipedia

    Aluminium or aluminum is a chemical element with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. By mass, aluminium makes up about 8% of the Earth''s crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust,...

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  • Mining and Refining Aluminum | HowStuffWorks

    After the ore is discovered, open-pit mines typically provide the bauxite that will eventually become aluminum. First bulldozers clear land above a deposit. Then workers loosen the soil with explosives, which bring the ore to the surface. Giant shovels then scoop up the bauxite-rich soil and dump it into trucks, which carry the...

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  • Aluminum processing | Britannica

    Known deposits of bauxite can supply the world with aluminum for hundreds of years at present production levels. When high-grade bauxite deposits are depleted, substantial reserves of secondary ores will remain to be exploited: laterite deposits in the northwestern United States and Australia, anorthosite in the western...

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  • Bauxite mining - Norsk Hydro

    Bauxite, containing 15-25 percent aluminium, is the only ore that is used for commercial extraction of aluminium today. The bauxite ... How do we get bauxite from the mines? ... Bauxite is usually covered by an overburden of several meters of rock and clay, which must be removed before the bauxite can be recovered. Then...

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  • Bauxite | The Aluminum Association

    Bauxite ore, refined through two processes, is the primary source of aluminum. Land conservation is a key industry focus. An average of 80 percent of the land mined for bauxite is returned to its native ecosystem. Topsoil from the mining site is stored so it can be replaced during the rehabilitation process. Reserves will last...

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  • aluminium (US: aluminum) - Chemguide

    ALUMINIUM. This page starts by looking at the extraction of aluminium from its ore, bauxite, including some economic and environmental issues. It finishes by looking at some uses of aluminium. ... What you actually get will depend on things like the temperature and the concentration of the sodium hydroxide solution.

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  • How Aluminum is Produced - RocksandMinerals

    FACT: It takes 4 tons of bauxite to produce 2 tons of alumina. aluminum sample. The production of the metal Aluminum from the raw ore of Bauxite is a two ... in it will separate out over time, the impurities in the slurry - things like sand and iron and other trace elements that do not dissolve - will eventually settle to the bottom.

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  • How it''s made - Norsk Hydro

    Aluminium can be recycled over and over again with 100 percent efficiency. In other words, none of aluminiums natural qualities are lost in the recycling process. The recycled product may be the same as the original product, or it can become something completely different. Aircraft, automobiles, bicycles, boats, computers,...

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