A Review of Nickel, Copper, and Cobalt Recovery by Chelating Ion Exchange Resins from Mining Processes and Mining Tailings

Copper and cobalt can be found on nickel laterite ores, and cobalt can be found also on copper ores, and many contaminants such as iron, aluminum, and magnesium are associated with these ores. In hydrometallurgical process, a purification step is necessary after leaching due to the presence of these...

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Bibliographic Details
Published in:Minerals & metallurgical processing 2019-02, Vol.36 (1), p.199-213
Main Authors: Botelho Junior, Amilton Barbosa, Dreisinger, David B., Espinosa, Denise C. R.
Format: Article
Language:English
Subjects:
Aluminum
Chelating resins
Chelation
Cobalt
Contaminants
Copper
Copper ores
Crosslinking
Engineering
Functional groups
Ion exchange
Ion exchange resins
Leaching
Magnesium
Materials Engineering
Metallic Materials
Mineral Resources
Minerals
Mining
Nickel
Polymers
Recovery
Resins
Review Article
Tailings
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Summary:Copper and cobalt can be found on nickel laterite ores, and cobalt can be found also on copper ores, and many contaminants such as iron, aluminum, and magnesium are associated with these ores. In hydrometallurgical process, a purification step is necessary after leaching due to the presence of these impurities. Chelating resins are more selective for some metals than others, making them more efficient than cationic resins. This overview discusses chelating resin applications to recover copper, nickel, and cobalt from mining process and mining tailings and the effect of contaminants in leach solution. Chelating resins with iminodiacetate functional group can be used for selective copper recovery, and both iminodiacetate and bis-picolylamine resins are highly selective for nickel and cobalt. Chelating resins with the same functional group can have different performances on the kinetics of loading, because of variations of structure, the density of functional group, and degree of cross-linking. This article reviews commercial chelating resins that can be applied in leach solutions with different compositions, and also possible innovations for uses of chelating resins to recover metals from mining process and mining tailings.
ISSN:2524-3462
2524-3470
DOI:10.1007/s42461-018-0016-8