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Fried Krupp Grusonwerk AG
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Fried Krupp Grusonwerk AG
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Publication of FR48758EpublicationCriticalpatent/FR48758E/fr
C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
C21C7/04—Removing impurities by adding a treating agent
C21C7/064—Dephosphorising; Desulfurising
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Organic Chemistry
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FR48758D1937-09-071937-09-07Procédé pour éliminer le soufre, l'arsenic et d'autres constituants nuisibles à partir de fer et d'alliages de fer
ExpiredFR48758E
(fr)
Procédé pour le traitement métallurgique de grains oolithiques extraits des minettes, ainsi que d'autres minerais pulvérulents ou minerais impalpables à forte teneur en fer