The method of cyanide balance in gold concentrate zinc cyanide powder displacement gold extraction process
A technology of cyanide and zinc cyanide, applied in the direction of improving process efficiency, etc., can solve problems such as ignoring the effect of cyanide adsorption and enrichment, not paying attention to the whereabouts of cyanide, and reusing cyanide in the system memory
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[0036] First, calculate the stock of cyanide in each system by confirming the amount of slurry or liquid stored in each equipment of each system of grinding, thickening, leaching, washing, replacement, and pressure filtration, and the concentration of cyanide (total cyanide meter directly measured by ore pulp). Secondly, confirm the quality and concentration of cyanide added in the whole process, and convert the input amount of cyanide in the whole system (in terms of CN mass); reconfirm the amount of cyanide in the final pollutants discharged in the system such as cyanide slag, waste water, and waste gas, Does not include the amount of volatilized cyanide, because the pH value of the cyanidation process of gold concentrate zinc cyanide powder replacement gold extraction process is between 11-12, the volatilization amount is very small under high alkalinity, and the leaching tank with oxygenation and strong stirring is added Cover, the volatilization amount is negligible, and t...
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