what method is used for producing aluminium?

Answer 1

it is extracted by electrolysis; that is, the aluminium oxide is dissolved in molten cryolite and then reduced to the pure metal. By this process, the operational temperature of the reduction cells is around 950 to 980 °C. Cryolite is found as a mineral in Greenland, but in industrial use it has been replaced by a synthetic substance. Cryolite is a mixture of aluminium, sodium, and calcium fluorides: (Na3AlF6). The aluminium oxide (a white powder) is obtained by refining bauxite in the Bayer process. (Previously, the Deville process was the predominant refining technology.)

Answer 2

The electrolysis of Aluminium Oxide. This ore is commonly known as bauxite.

Melting the ore at high temperature and then running an electrical current through it using carbon electrodes. Positive aluminium ions are attracted to the cathode and coat it in aluminium. Carbon Dioxide is produced at the anode.

Answer 3

Smelting

Basically, aluminum is found in the form of an ore called bauxite. Bauxite is refined by the Bayer process to produce alumina, which is turn is converted to aluminum metal via the Hall-Heroult smelting process. The aluminum metal can then be alloyed with other elements or used in the unalloyed form. This serves as the feedstock for casting processes or wrought processing. The latter begins with casting of an ingot or billet that is then worked to shape via processes such as rolling, extrusion, and forging.

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Answer 4

Electrolysis.
Aluminium Oxide (Al2O3) is held in molten cryolite, and an electric current is passed through.
Aluminium is produced together with oxygen. As one of the electrodes is carbon, thee heat of the reaction allows th carbon and oxygen to react producing carbon dioxide (CO2).

Answer 5

it is produced b y the electrolysis of aluminium oxide or it can be produced by thermite process.

Answer 6

http://electrochem.cwru.edu/ed/encycl/art-a01-al-prod.htm