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Fall 2015
In this study, the flotation behaviors of chalcopyrite and pyrite single and mixed minerals in Milli-Q water, NaCl solution, and sea water were investigated. The performance of different collectors was evaluated. Collectorless flotation was also studied under potentiostatic control to explore the...
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An Investigation of Millerite (beta-NiS) Flotation Behaviour in Alkaline Solutions in Cu-Ni Sulphide Mineral Flotation Separation
DownloadFall 2021
In the Sudbury Basin nickel deposit, the presence of a less common nickel sulphide mineral – millerite (beta-NiS) has a substantial impact on the Cu/Ni flotation separation efficiency. In this study, the flotation chemistry of millerite in alkaline solutions was investigated with pure minerals...
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The Effect of High Intensity Conditioning on Surface Oxidation with Processed Sudbury Nickel Ore
DownloadFall 2019
In the Sudbury Basin, froth flotation is commonly used to recover Pentlandite (Pn), and Chalcopyrite (Cp), while rejecting Pyrrhotite (Po), and other gangue minerals typically found in the region. However, as the sulfide minerals flow through the plant the surfaces continually oxidize, allowing...
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Fall 2019
In nature, the molybdenite ores are frequently associated with copper sulfide minerals such as chalcopyrite, and the flotation separation of copper-molybdenum (Cu-Mo) sulfides largely relies on the use of toxic and hazardous depressants such as cyanides, Na2S/NaHS. It is desired to replace these...