Nickel Sorption from Sulphate Solutions of Oxidized Nickel Ores Leaching

Abstract:

The possibility of sorption extraction of nickel from leaching solutions of oxidized nickel ores of the Buruktal deposit is considered. Ionite Lewatit TP220 with bis-picolylamine functional groups is effective for nickel recovery against the background of high iron contents. Lewatit TP220 is mechanically strong enough for use in the resin-in-pulp process. Nickel sorption with satisfactory performance occurs both in the variant of sorption leaching and extraction from clarified solutions. At sorption from the pulp, the capacity for nickel was 5.44 mg/g, for iron, 25.17 mg/g. The use of 20% sulfuric acid provides quantitative nickel desorption. To obtain a higher quality nickel-containing product, it is recommended to additionally purify the resulting eluates from iron.

• Periodical: Defect and Diffusion Forum (Volume 410)
• Pages: 394-399
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.410.394
• Online since: August 2021
• Authors: Olga Yu. Makovskaya*, Nadezhda I. Bryantseva
• Keywords: Hydrometallurgy, Ion Exchange, Leaching, Nickel, Oxidized Nickel Ores, Pulp

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