A study of the behaviour of free gold in flash flotation and gravity recovery
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Gravity and flash flotation are used to recover free gold within the milling circuit, however, this arrangement is poorly understood and consequently, it is difficult to predict circuit performance. Identifying the impact that changes in mineralogy, reagent use, operational factors, and physical variables (size, shape, surface area and elemental composition) will have upon the behaviour of free gold particles will lead to an improved understanding of the behaviour of free gold within the milling circuit.
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McGrath, Teresa; Eksteen, Jacques; Heath, J. (2015)A reliable laboratory method to characterize the response of free gold particles to flash flotation conditions has been developed. The test has been performed on free milling gold ores as well as synthetic ores, using ...
Galvanic interaction of grinding media with arsenopyrite and pyrite and its effect on gold cyanide leachingRabieh, Alireza; Eksteen, Jacques; Albijanic, Boris (2017)© 2017 Elsevier Ltd. Galvanic interactions between different types of grinding media and arsenopyrite and pyrite, during the grinding was quantified and the effect of galvanic interactions on gold cyanide leaching was ...
Oraby, E.; Eksteen, Jacques (2015)© 2015 Elsevier B.V. Abstract In the cyanidation of copper-gold ores, the presence of copper minerals can lead to soluble gold losses, the production of weak acid dissociable (WAD) cyanide, as well as a number of operational ...