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FUSION PYRITIQUE [1 record]

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Record 1 2016-03-07

English

Subject field(s)
  • Smelting of Metal
  • Mineral Processing (Metallurgy)
DEF

Blast furnace smelting of sulphide copper ores, in which heat is partly supplied by oxidation of iron sulphide.

Key term(s)
  • oxidising smelting

French

Domaine(s)
  • Fusion (Métallurgie générale)
  • Minéralurgie (Métallurgie)
CONT

Fusions possibles au W.J. [four water-jacket.] fusion pyritique, très rare, qui s'opère avec très peu de coke (1 à 3 %), la chaleur résultant de l'oxydation de grosses masses de pyrites en SO2 et FeO, et de la scorification des bases (FeO surtout) par SiO2 libre; le réglage de l'air permet de contrôler simultanément l'indice de la scorie et la teneur de la matte; [...]

OBS

Dans les formules S02 et Si02, le chiffre 2 s'écrit en indice.

Key term(s)
  • fusion pyriteuse

Spanish

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