Wöhler process
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The Wöhler process was one of the first routes for producing aluminium metal. It involves the reduction of anhydrous aluminium chloride with potassium, produced powdered aluminium: :AlCl 3 + 3 K → Al + 3 KCl With advent of more efficient means of electrolysis, e.g., Hall–Héroult process, the Wöhler process and related chemical-based routes became obsolete.
The Wöhler process was one of the first routes for producing aluminium metal. It involves the reduction of anhydrous aluminium chloride with potassium, produced powdered aluminium: AlCl 3 + 3 K → Al + 3 KCl With advent of more efficient means of electrolysis, e.g., Hall–Héroult process, the Wöhler process and related chemical-based routes became obsolete.
History
In 1827, Friedrich Wöhler refined a process discovered by Hans Christian Ørsted, a Danish chemist, who first produced impure aluminium in 1825. With the newly made Al metal, he established the specific gravity of aluminium in 18451.
References
External links
International Aluminum Institute Wired
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