Method for recycling copper mineral in gold concentrate cyanation tail slag
A technology of cyaniding tailings and gold concentrate, applied in the field of smelting, can solve problems such as hidden dangers, great safety and environmental protection, and low copper concentrate content, and achieve the effects of eliminating hazards, high recovery rate, and weakening inhibition
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[0023] Example 1
[0024] Under the temperature condition of 10℃, 20 tons of copper-containing 0.4wt% gold concentrate cyanide tailings were mixed with water to obtain a 35% mass fraction of pretreated gold concentrate cyanide tailings slurry, and the gold concentrate was pretreated The cyanidation tailings slurry is transported to the pretreatment reaction tank, and lime milk is added to the pretreatment gold concentrate cyanidation tailings slurry to adjust the pH to 10.5, and then 55kg of sodium metabisulfite is added, and aerated and stirred at the same time Mainly fill with oxygen, make the oxygen concentration 6mg / L, react for 90 minutes, then add 4kg of sodium sulfide, 2kg of sodium hydrosulfide and 2kg of sodium ethylenediamine phosphate into the pretreatment reaction tank, stir and activate for 30 minutes to obtain activation Then add 0.2kg of terpineol oil, 0.8kg of sodium isoamyl xanthate and 0.4kg of isobutyl allyl thiocarbamate to the activated pulp, and then send it...
Example Embodiment
[0026] Example 2
[0027] Under the temperature condition of 20℃, 30 tons of copper-containing 0.43wt% gold concentrate cyanide tailings were mixed with water to obtain a 34% mass fraction of pretreated gold concentrate cyanide tailings slurry, and the gold concentrate was pretreated The cyanidation tailings slurry is transported to the pretreatment reaction tank, and lime milk is added to the pretreatment gold concentrate cyanidation tailings slurry to adjust the pH to 11, and then 75kg of sodium metabisulfite is added, and aerated and stirred at the same time Mainly fill with oxygen, make the oxygen concentration 7mg / L, react for 95 minutes, then add 6kg of sodium sulfide, 3kg of sodium hydrosulfide and 3kg of sodium ethylenediamine phosphate into the pretreatment reaction tank, stir and activate for 30 minutes to obtain activation Then add 0.3kg of terpineol oil, 1.2kg of sodium isoamyl xanthate and 0.6kg of isobutyl allyl thiocarbamate to the activated pulp, and then send it ...
Example Embodiment
[0029] Example 3
[0030] Under the temperature condition of 30℃, 30 tons of copper-containing 0.44wt% gold concentrate cyanide tailings were mixed with water to obtain a 35% mass fraction of pretreated gold concentrate cyanide tailings slurry, and the gold concentrate was pretreated The cyanidation tailings slurry is transported to the pretreatment reaction tank, and lime milk is added to the pretreatment gold concentrate cyanidation tailings slurry to adjust the pH to 11, and then 75kg of sodium metabisulfite is added, and aerated and stirred at the same time It is mainly filled with oxygen to make the oxygen concentration 8mg / L, react for 90 minutes, then add 6kg of sodium sulfide, 3kg of sodium hydrosulfide and 3kg of sodium ethylenediamine phosphate into the pretreatment reaction tank, stir and activate for 30 minutes to obtain activation Then add 0.3kg of terpineol oil, 1.2kg of sodium isoamyl xanthate and 0.6kg of isobutyl allyl thiocarbamate to the activated pulp, and the...
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