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| Development of Sorption Technology Leaching of Gold-Containing Ores to Reduce Slip and Loss of Gold with Tails
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Khojiev Sh.T., Saidova M.S., Sultonov H.Sh., Esonova M.O.
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Abstract:
When analyzing the current technological schemes of sorption leaching of gold, it was found that the main losses of saturated resin occur in the dispensing unit from the mole for regeneration, and the sources of losses are chips and jigging sands. To reduce these losses, it is proposed to carry out additional flotation of saturated resin, both from the pulp of sorption leaching, and from chips and from jigging sands separated in the resin dispensing unit for regeneration. The optimal technological parameters for obtaining saturated resin from wood chips and jigging sands isolated in the resin dispensing unit for regeneration have been determined, which include: flotation mode (conditions, duration ) of saturated resin contained in wood chips and jigging sands; collector flow rate and depressant flow rate for efficient flotation of rich resin. Cyanidation and sorption leaching of gold sorption leaching tailings were carried out under laboratory conditions. Gold recovery was 65%, which is an encouraging figure.
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