FR397459A - Perfectionnements apportés aux procédés pour chauffer, fondre ou volatiliser diverses substances ou matières applicables notamment à l'extraction des métaux de leurs minerais
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Perfectionnements apportés aux procédés pour chauffer, fondre ou volatiliser diverses substances ou matières applicables notamment à l'extraction des métaux de leurs minerais
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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
C—CHEMISTRY; METALLURGY
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B5/00—General methods of reducing to metals
C22B5/02—Dry methods smelting of sulfides or formation of mattes
C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
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FR397459D1908-11-141908-11-14Perfectionnements apportés aux procédés pour chauffer, fondre ou volatiliser diverses substances ou matières applicables notamment à l'extraction des métaux de leurs minerais
ExpiredFR397459A
(fr)
Perfectionnements apportés aux procédés pour chauffer, fondre ou volatiliser diverses substances ou matières applicables notamment à l'extraction des métaux de leurs minerais
Perfectionnements apportés aux procédés pour chauffer, fondre ou volatiliser diverses substances ou matières applicables notamment à l'extraction des métaux de leurs minerais
Perfectionnements dans les procédés d'extraction des métaux et des métalloides des minerais ou terres dans lesquels ils sont contenus ou des composés dans lesquels ils entrent