Difference between revisions of "Aluminum"
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| − | Aluminum is a chemical element with the symbol Al. Aluminium makes up about 8% of the Earth's crust, where it is the most abundant metal. The chief ore of aluminium is bauxite. Aluminum can be | + | Aluminum is a chemical element with the symbol Al. Aluminium makes up about 8% of the Earth's crust, where it is the most abundant metal. The chief ore of aluminium is bauxite. Bauxite ore is heated in a pressure vessel along with a sodium hydroxide solution at a temperature of 150 to 200 °C (300 to 390 °F). At these temperatures, the aluminum is dissolved and recovered using the Bayer process. Aluminum can be produced by [[Aluminum factory]]s. |
Revision as of 16:48, 23 May 2020
Aluminum is a chemical element with the symbol Al. Aluminium makes up about 8% of the Earth's crust, where it is the most abundant metal. The chief ore of aluminium is bauxite. Bauxite ore is heated in a pressure vessel along with a sodium hydroxide solution at a temperature of 150 to 200 °C (300 to 390 °F). At these temperatures, the aluminum is dissolved and recovered using the Bayer process. Aluminum can be produced by Aluminum factorys.
