The Hall–Héroult process is the major industrial process for smelting aluminium. It involves dissolving aluminium oxide (alumina) (obtained most often...

public with the Hall–Héroult process developed independently by French engineer Paul Héroult and American engineer Charles Martin Hall in 1886, and the...

(Louis-Toussaint) Héroult (10 April 1863 – 9 May 1914) was a French scientist. He was one of the inventors of the Hall-Héroult process for smelting aluminium...

e.g., Hall–Héroult process, the Wöhler process and related chemical-based routes became obsolete. In 1827, Friedrich Wöhler refined a process discovered...

electrolytic process is the use of electrolysis industrially to refine metals or compounds at a high purity and low cost. Some examples are the Hall-Héroult process...

Over 90% (95-96%) of the aluminium oxide produced is used in the Hall–Héroult process to produce aluminium. Red mud is the waste product that is produced...

result was more expensive than silver or gold. In 1886, Hall discovered the Hall–Héroult process, the first inexpensive technique for refining aluminum...

Charles Martin Hall from America and Paul Héroult from France both filed for American patents for the electrolysis of aluminum, with Héroult submitting his...

and it has come to be known as the Hall–Héroult process. After failing to find financial backing at home, Hall went to Pittsburgh, where he made contact...

viable primary aluminium processes, namely the combination of the Bayer and Hall-Héroult processes. The Hall-Héroult process for aluminium production...