Success Case Of Gold ore processing plant

Our gold ore process beneficiation projects have been exported to over 80 countries and widely used in the global mining and construction industry;

For example：100t/d gold ore beneficiation project in Indonesia,

Tanzania 150t/d gold ore beneficiation project,

Sudan 300t/d gold ore beneficiation project,

Tanzania 600t/d gold ore beneficiation project,

Malaysia 700t/d gold ore beneficiation project,

700t/d gold ore beneficiation project in Zimbabwe,

Sudan 700t/d gold ore beneficiation project,

Mongolia 1000tpd gold ore beneficiation project,

Tanzania 1200t/d gold ore beneficiation project,

Guinea 6000t/d gold ore beneficiation project.

Crushing and grinding stage: The raw gold ore first needs to be crushed and finely ground through the process of crushing and grinding to expose the gold particles and facilitate subsequent leaching treatment.Commonly used equipment include jaw crushers, cone crushers and impact crushers for primary and secondary crushing, ball mills and SAG (semi-self-grinding mills) for grinding ore to fine sizes.

Cyanide leaching: The gold ore after crushing and grinding is in contact and mixed with the cyanide-containing solution in the leaching tank.After mixing, the cyanide ions react with the gold on the surface of the gold particles, dissolving the gold into gold cyanide ions.The mixing tank is used to mix the gold ore slurry with the cyanide solution. The tank is usually equipped with a stirrer or blades to ensure sufficient mixing of ore and chemical reagents.The leaching tank is used for the leaching process, in which the gold particles are dissolved into a cyanide solution.

Carbon adsorption: The leached solution is transferred to the carbon immersion tank, where activated carbon is placed.Gold cyanide ions are adsorbed onto the surface of activated carbon to form gold-loaded carbon.The main equipment used is a carbon immersion tank. The leaching slurry obtained from the leaching tank is transported to the carbon immersion tank and activated carbon is added.The gold in the solution is adsorbed onto the activated carbon to form a loaded gold.

Elution: After a period of adsorption, the gold-loaded carbon will be eluted.Usually a thermally corrosive solution (such as a mixed solution of sodium hydroxide and cyanide) is used for elution to desorb the gold from the activated carbon.

Electrodeposition: The gold-containing solution obtained by elution passes through the electrodeposition tank.In the electrodeposition tank, gold ions are reduced to gold metal and deposited as a gold layer on the electrode.

Refining: The metal obtained from the electrodeposition can be further refined to obtain a higher purity gold product.This can include smelting, electrolysis and other methods.

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