Journal
MINING METALLURGY & EXPLORATION
Volume 36, Issue 1, Pages 199-213Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s42461-018-0016-8
Keywords
Iminodiacetate; bis-Picolylamine; Resins
Funding
- University of Sao Paulo
- University of British Columbia
- FAPESP/Capes, Sao Paulo Research Foundation (FAPESP) [012/51871-9, 2016/05527-5, 2017/06563-8]
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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.
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