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Aluminium - Wikipedia


Aluminium also occurs in the minerals beryl, cryolite, garnet, spinel, ... a process that requires only 5% of the energy used to produce aluminium from ore, ...


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Extraction Process of Aluminium from Bauxite Ore


Aluminum is the most abundant metal in the earth's crust and is a constituent of many minerals. However, the material which is highest in aluminum and most free from objectionable impurities is bauxite which, therefore, is practically the only source of the metal under present processes.


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What are the uses of bauxite mineral? - Quora


Description Bauxite refers to the materials with the main ore of gibbsite, bodhmite, and diaspore. The application field of it has metal and nonmetal. Bauxite is the best material in making aluminum and the ingredient of refractory, grinding mater...


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Aluminum – Minerals Education Coalition


Beneficial for full health in plants and animals. Sources. As might be expected of the third most common element in the Earth's crust, aluminum is present in a great number of minerals, and is relatively rich in clay, alunite and mica minerals.


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How Is Aluminum Obtained? | Reference.com


Aluminum is extracted from bauxite ore using chemical processes. Bauxite is strip mined from near the surface of the earth. The ore is then heated along with a sodium hydroxide solution that chemically separates the aluminum from the ore. After its separation, it is heated, becomes molten, then ...


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Alcoa -- Alumina


We provide smelter grade alumina to aluminum manufacturers worldwide, with operations strategically located for access to growing markets in …


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USGS Minerals Information: Bauxite


Bauxite is a naturally occurring, heterogeneous material composed primarily of one or more aluminum hydroxide minerals, plus various mixtures of silica, iron oxide, titania, aluminosilicate, and other impurities in minor or trace amounts.


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