Electro-flotation of chalcopyrite fines |
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Authors: | G Bhaskar Raju PR Khangaonkar |
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Institution: | National Metallurgical Laboratory, Council of Scientific and Industrial Research, Madras India |
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Abstract: | Electro-flotation tests were conducted on chalcopyrite particles with a modified Hallimond tube designed for electro-flotation, using platinum anode—copper cathode and graphite anode—copper cathode systems. Flotation tests were carried out for fines of chalcopyrite of size below 20 microns with potassium ethylxanthate as collector. Studies were done on flotation with hydrogen and oxygen separately with the usual variables. Dissolution of chalcopyrite at various current densities, with reagent at optimum conditions and without reagent was also studied. It is observed that electro-flotation particularly with oxygen, is effective in the flotation of fine particles of chalcopyrite. |
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