Home >>Name Of Machine Used To Extract Aluminium
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Aluminium smelting is the process of extracting aluminium from its oxide alumina generally by the hall-h roult processalumina is extracted from the ore bauxite by means of the bayer process at an alumina refinery this is an electrolytic process so an aluminium smelter uses huge amounts of electricity; smelters tend to be located close to .
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An ore is any naturally-occurring source of a metal that you can economically extract the metal from aluminium for example is the most common metal in the earths crust occurring in all sorts of minerals however it isnt economically worthwhile to extract it from most of these minerals instead the usual ore of aluminium is bauxite .
The next stage in the production chain is the processing of bauxite into alumina or aluminium oxide - al 2 o 3 - a white powderthe most common process for making alumina from bauxite is the bayer process which was first discovered over 100 years ago but is still in wide use today.
Although the metal is found abundantly in nature an efficient extraction process remained elusive for many years aluminum remained exceedingly high-priced and therefore of little commercial use throughout the 19th century.
As you can see the process used to extract aluminium from the bauxite ore it originates in is fairly complex and requires a number of different machines in order to be completed whilst the biggest aluminium manufacturing plants are located in europe they do exist here in australia just not on the same large scale due to our smaller deposits.
Conventional mining employs crews of miners who use explosives and drills to extract coal which is then loaded onto cars for transport to the surface this method presents higher risks to miners because of the explosives the coal dust generated by the drilling and explosives is also a health hazard when continuously inhaled.
Aug 21 2020 the method used to extract copper from its ores depends on the nature of the ore sulfide ores such as chalcopyrite ((cufes2)) are converted to copper by a different method from silicate carbonate or sulfate ores chalcopyrite (also known as copper pyrites) and similar sulfide ores are the commonest ores of copper.
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