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Browsing Research Articles (Materials Science and Metallurgical Engineering) by Author "Sole, K.C. (Kathryn)"

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Accurate measurement of polarization potentials during electrodeposition of nickel metal from sulphate electrolytes

Schoeman, Liezl; Sole, K.C. (Kathryn) (Southern African Institute of Mining and Metallurgy, 2017-07)

Extraction of nickel from either laterite or sulphide ores involves various complex hydrometallurgical processes, the final step of which is often electrowinning to produce pure nickel metal. Methods to investigate, monitor, ...
Decomposition of hydrogen peroxide in alkaline cyanide solutions

Fungene, T.; Groot, D.R.; Mahlangu, T.; Sole, K.C. (Kathryn) (Southern African Institute of Mining and Metallurgy, 2018-12)

Although oxygen is widely employed as the oxidant of choice in gold leaching by cyanide, its low aqueous solubility presents some drawbacks in practical application; hydrogen peroxide has therefore been considered as a ...
Effect of aluminium on polarisation parameters and deposit characteristics in typical nickel sulfate electrolyte for electrowinning applications

Schoeman, Liezl; Nsiengani, Emmanuel Nsanda; Sole, K.C. (Kathryn); Sandenbergh, Roelf (Elsevier, 2020-06)

Impurities present in the sulfate electrolyte during nickel electrodeposition influence the electrowinning process and morphology of deposited nickel metal in various ways. The presence of aluminium can be either detrimental ...
Purification of titanium sponge produced by lithiothermic reduction of titanium tetrachloride: Effect of leaching conditions

Serwale, M.R.; Coetsee, Theresa; Sole, K.C. (Kathryn); Fazluddin, S. (Southern African Institute of Mining and Metallurgy, 2022-12)

The CSIR-Ti process employs lithiothermic reduction of titanium tetrachloride feedstock to produce titanium sponge. The product is therefore contaminated by a range of lithium and chloride species. In this study we examine ...

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Browsing Research Articles (Materials Science and Metallurgical Engineering) by Author "Sole, K.C. (Kathryn)"

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