Interaction | Reaction | Process Data Page
Bauxite is mined and purified (removing iron oxide etc. impurities) to give a high quality grade of aluminium oxide which can be used for conversion into metallic aluminium.
The purification process – called "benefaction" – involves (1) dissolving the aluminium component of bauxite ore in sodium hydroxide (2) removing insoluble impurities from the solution by filtration (3) precipitating aluminium hydroxide (alumina trihydrate) and finally (4) calcinating to aluminium oxide.
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Reactant Page | Go To | Go To |
Bauxite | Reactions Using | Reactions Forming |
Aluminium oxide | Reactions Using | Reactions Forming |
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© Mark R. Leach 1999 –
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