RECOVERY OF METALS FROM CALCIUM-RICH MATERIALS

Provided herein is a process for recovering metal(s) from calcium rich iron containing material (8), comprising (a) leaching (1) calcium one or more times from said calcium rich iron containing material (8) to obtain a calcium depleted iron containing material (13); and (b) subjecting the calcium de...

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Bibliographic Details
Main Authors PISILA, SAULI, KOTIRANTA, TUUKKA, PALOVAARA, PETRI
Format Patent
LanguageEnglish
French
Published 12.09.2023
Subjects
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:Provided herein is a process for recovering metal(s) from calcium rich iron containing material (8), comprising (a) leaching (1) calcium one or more times from said calcium rich iron containing material (8) to obtain a calcium depleted iron containing material (13); and (b) subjecting the calcium depleted iron containing material (13) to pyrometallurgical treatment (3) to recover metal(s) (17) from said calcium depleted iron containing material (13). L'invention concerne un procédé de récupération de métal/métaux à partir d'un matériau contenant du fer riche en calcium (8), comprenant (a) la lixiviation (1) du calcium une ou plusieurs fois à partir dudit matériau contenant du fer riche en calcium (8) pour obtenir un matériau contenant du fer appauvri en calcium (13) ; et (b) la soumission du matériau contenant du fer appauvri en calcium (13) à un traitement pyrométallurgique (3) pour récupérer le métal/les métaux (17) à partir dudit matériau contenant du fer appauvri en calcium (13).
Bibliography:Application Number: CA20163018028