SELECTIVE RECOVERY OF ALUMINIUM, COBALT AND PLATINUM VALUES FROM A SPENT CATALYST COMPOSITION

The invention provides a process for the selective recovery of aluminium, cobalt and platinum, and compounds thereof, from a catalyst composition including aluminium, cobalt and platinum, said process including the steps of treating the catalyst composition to selectively get ions of substantially o...

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Hauptverfasser: MATJIE, RATALE, HENRY, MDLENI, MASIKANA, MILLAN, DE WET, EWALD, WATERMEYER
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Sprache:eng ; fre
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creator MATJIE, RATALE, HENRY
MDLENI, MASIKANA, MILLAN
DE WET, EWALD, WATERMEYER
description The invention provides a process for the selective recovery of aluminium, cobalt and platinum, and compounds thereof, from a catalyst composition including aluminium, cobalt and platinum, said process including the steps of treating the catalyst composition to selectively get ions of substantially only one of the aluminium, cobalt and platinum into solution, recovering, in separate process steps, the thus treated aluminium, cobalt, or platinum in salt or metal form, and repeating the treating and recovering steps for each of the aluminium, cobalt and platinum. The treating steps may include process steps such as leaching, washing, dissolving, stripping, and the like. The recovery steps may include filtration, precipitation, separation, flocculation, and the like. L'invention concerne un procédé de récupération sélective, d'aluminium, de cobalt et de platine, ainsi que de leurs composés, à partir d'une composition catalytique comprenant aluminium, cobalt et platine. Ce procédé consiste à traiter la composition catalytique afin d'obtenir de façon sélective des ions de pratiquement un seul métal parmi aluminium, cobalt et platine dans une solution, à récupérer dans des étapes séparées, l'aluminium, le cobalt ou le platine traités sous forme de sel ou de métal et à renouveler les phases de traitement et de récupération pour chacun des métaux aluminium, cobalt et platine. Les étapes de traitement peuvent consister en des étapes de lixiviation, lavage, dissolution ou désorption. Les étapes de récupération peuvent consister en des étapes de filtration, précipitation, séparation ou floculation.
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title SELECTIVE RECOVERY OF ALUMINIUM, COBALT AND PLATINUM VALUES FROM A SPENT CATALYST COMPOSITION
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