VALUABLE ELEMENT RECOVERY MEHTOD

Provided is a method for recovering a valuable element, by which method metal with a high proportion of a valuable element can be obtained. The method includes adding a reductant to an oxide containing at least one element selected from the group consisting of nickel and cobalt, followed by heating,...

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Bibliographische Detailangaben
Hauptverfasser:	HINO, Yuta, TAKAHASHI, Katsunori, INOUE, Yotaro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY DISPOSAL OF SOLID WASTE ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS PRETREATMENT OF RAW MATERIALS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PRODUCTION AND REFINING OF METALS RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Provided is a method for recovering a valuable element, by which method metal with a high proportion of a valuable element can be obtained. The method includes adding a reductant to an oxide containing at least one element selected from the group consisting of nickel and cobalt, followed by heating, to thereby reduce the oxide, the reductant contains at least one selected from the group consisting of metallic iron and an iron oxide, and an addition amount of the reductant is 1.3 equivalent or less.