How to extract gold from limonite ore ?
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The extraction of gold from limonite ore typically involves the following steps:
1.Crushing and grinding the ore to reduce its size and increase the surface area for subsequent chemical reactions.
2.Roasting the ore to remove impurities, such as sulfur, carbon, and other minerals.
3.Leaching the roasted ore with an aqueous solution of sodium cyanide or other appropriate leaching agents to dissolve the gold.
4.Separating the gold from the solution using techniques such as adsorption, ion exchange, or precipitation.
5.Smelting the gold-rich solution to obtain pure gold.
Note: These steps may vary depending on the specific conditions of the ore deposit and the available processing technology. It is important to follow proper safety procedures and regulations when handling and processing hazardous chemicals such as cyanide.
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