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Arcelor Luxembourg SA
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Arbed SA
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Application filed by Arbed SAfiledCriticalArbed SA
Application grantedgrantedCritical
Publication of FR1170132ApublicationCriticalpatent/FR1170132A/fr
C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C01G49/00—Compounds of iron
C01G49/02—Oxides; Hydroxides
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Inorganic Chemistry
(AREA)
FR1170132D1955-03-281956-03-12Procédé de récupération des bains de décapage usés à l'acide sulfurique et aux sels qui en dérivent
ExpiredFR1170132A
(fr)
Procédé de production directe d'hydrates inférieurs de sulfate de fer bivalent et de régénération de l'acide sulfurique à partir des bains de lécapage épuisés.