Different factors on flotation separation kinetics of chalcopyrite and pyrite
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Abstract
To judge the possibility of rapid flotation separation on chalcopyrite and pyrite, the dynamics parameter K (flotation rate coefficient) was used as the basis. At first, through investigating the change of K value of chalcopyrite and pyrite pure minerals under the conditions of pulp density, flotation particle size and flotation machine speed, respectively, the dynamics mechanism and possibility of rapid flotation separation on chalcopyrite and pyrite was interpreted to some extent. Meanwhile, to make the technology of rapid flotation separation feasible on chalcopyrite and pyrite applicable in the industry, the dynamics characteristic of two mixed ore in different size fraction that composed by chalcopyrite and pyrite was further investigated. lt was proved that flotation rate difference between chalcopyrice and pyriec could be expanded through controling appropriate flotation conditions and then furfiued the rapid prioriey flotation of chalcopyrite
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