Pierre Manhès

Pierre Manhès
Born (1841-07-22)22 July 1841
Lyon
Died 4 February 1906(1906-02-04) (aged 64)
Nantua
Residence Lyon
Nationality French
Fields Copper extraction techniques
Institutions Éguilles
Known for Manhès-David process

Pierre Manhès (1841 – 1906) was a French metallurgist and businessman, who succeeded in 1880 to adapt the Bessemer process to the pyrometallurgy of the copper. With his engineer Paul David (metallurgist), he developed the Manhès-David process and converter, which were widely adopted, mainly in the United States.

Nowadays, in the beginning of the XXI, Manhès-David process is still in use, to refine 90 % of the copper mattes, and 60 % of the nickel extracted in the world. But his silica-lined converter has been superseded by the improved Peirce-Smith converter

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