Jul 01, 2014nbsp018332In this work, different flotationpreoxidationcyanidation methods are considered for treating a low-grade refractory gold ore. On the one hand, the results of selective flotation show that 22 and 31.1 of total Sb and As, respectively, remained in the final tailings and only about 28 of the total Au remained for further cyanidation processes.
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It became a guideline for the refactory gold ore dressing plant that using gold recovery cyanide process in the process of the gold recovery cyanide process when the acid leaching residue and the pickling liquid have a high impurity content such as the us,ore flotation gold ore
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Gold flotation i. introduction froth flotation is a widely used separating technique for the recovery of cu and au in porphyry copper-gold ores. in these ores, chalcopyrite and gold are the main valuable mineralmetal phases, with pyrite being the key sulphide gangue mineral. however, in these ores gold is mostly associated with pyrite
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Apr 14, 2015nbsp018332mercury is used for recovery - not refining. flotation also uses chemicals for recovery - not refining. recovery of gold is a process of upgrading the gold to a pure gold end point. since raw gold is recovered as an impure product, refining becomes part of the recovery process. splitting hairs doesnt contribute much to the discussion. - geowizard
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Flotation circuit. refractory gold any ore that is not readily amenable to recovery by conventional cyanide leaching at a reasonable grind size can be considered refractory. the three primary factors that cause gold ores to be refractory are physical encapsulation extremely fine lt10 181m particles are locked within an impervious,
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