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Conference Proceedings

XVIII International Mineral Processing Congress - Five Volume Set

Conference Proceedings

XVIII International Mineral Processing Congress - Five Volume Set

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Limitations in the Application of Column Flotation

Column Flotation cannot be used indiscriminately. Based on extensive pilot plant experience at Lakefield Research, a number of limiting parameters have been identified for the application of column cell flotation. Parameters of importance are the use of wash water, flotable mineral content, pulp viscosity, type of mineral selectivity being sodght and degree of mineral liberation. The paper discusses when wash water should be used and the positioning of a column within the circuit as this is important to maintain a sound water balance for the circuit and prevent excessive circulating loads. Other areas of debate are pulp chemistry, very low and high weight recovery, for which the conventional column is a poor selection of equipment, and treatment of complex ores, where the separation of valuable minerals is more difficult than non-sulphide, sulphide mineral separation. Based on these observations, the application of column flotation must be carefully considered or can be optimised.
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  • Published: 1993
  • PDF Size: 0.435 Mb.
  • Unique ID: P199303103

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