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The invention concerns a leaching composition for extracting cobalt from a waste material, wherein the composition comprises at least one chemically active organic lixiviant comprising at least one weakly acidic hydroxyl group, the organic lixiviant being effective to alter the oxidation state of co...

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Bibliographic Details
Main Authors DUVENHAGE, Dawid, COWEN, Kenneth, KHARAS, Karl, ROBOTA, Heinz J, MUHLENKAMP, Jessica A, SCHRADER, Lucas D
Format Patent
LanguageEnglish
French
Published 26.09.2024
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:The invention concerns a leaching composition for extracting cobalt from a waste material, wherein the composition comprises at least one chemically active organic lixiviant comprising at least one weakly acidic hydroxyl group, the organic lixiviant being effective to alter the oxidation state of cobalt in the waste material and generate a soluble cobalt (II) ionic species comprising an anion derived from the organic lixiviant. L'invention concerne une composition de lixiviation pour l'extraction de cobalt à partir d'un déchet, la composition comprenant au moins un lixiviant organique chimiquement actif comprenant au moins un groupe hydroxyle faiblement acide, le lixiviant organique étant efficace pour modifier l'état d'oxydation du cobalt dans le déchet et générer une espèce ionique de cobalt (II) soluble comprenant un anion dérivé du lixiviant organique.
Bibliography:Application Number: WO2024EP57191