Hydrated Lime Application for Mining Gold

14/09/2023

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No.18 SON HA MINERALS CO., LTD

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Hydrated Lime Application for Mining Gold

In the process of mining gold, various chemicals are used to extract the precious metal from the ore. One of the most common chemicals used is hydrated lime. Hydrated lime plays a crucial role in the mining process as it helps to extract gold from the ore


 

Benefits of Using Hydrated Lime in Gold Mining

Hydrated lime is a versatile chemical that can be used in various industries, including mining. When it comes to gold mining, hydrated lime has several benefits.

1. Hydrated lime helps to regulate the pH levels of the slurry during the extraction process. The slurry is a mixture of crushed ore and water, and the pH levels need to be maintained at a specific range for the chemical reactions to occur. Hydrated lime helps to stabilize the pH levels, ensuring that the chemical reactions are efficient.

2. Hydrated lime helps to reduce the amount of cyanide needed in the extraction process. Cyanide is a toxic chemical that is used to dissolve gold from the ore. The use of cyanide is regulated, and its disposal is a significant environmental concern. By using hydrated lime, the amount of cyanide needed can be reduced, making the process more environmentally friendly.

3. Hydrated lime helps to improve the settling rate of the solids in the slurry. This is important as it helps to separate the gold particles from the rest of the ore. The faster the solids settle, the more efficient the extraction process will be.

Application of Hydrated Lime in Gold Mining

Hydrated lime is typically added to the slurry before the cyanide is introduced. The amount of hydrated lime added varies depending on the ore's characteristics, such as its pH level and the amount of acid-consuming minerals present. The hydrated lime is mixed with water to create a slurry, which is then added to the ore. The slurry is agitated to ensure that the hydrated lime is evenly distributed throughout the mixture.

Once the hydrated lime is added, the cyanide is introduced. The cyanide dissolves the gold particles, which are then separated from the rest of the ore using various extraction methods, such as carbon absorption or precipitation.

Hydrated lime is a crucial chemical in gold mining, helping to regulate pH levels, reduce the amount of cyanide needed, and improve the settling rate of solids. Its versatility and effectiveness make it a popular choice in the industry. However, it is essential to use hydrated lime responsibly to minimize its environmental impact. By understanding how hydrated lime is used in gold mining, we can appreciate the significant role it plays in extracting the precious metal from the earth

Viet Nam Technology Mineral JSC proud to be the leading manufacturer and exporter of Hydrated Lime in Vietnam. We are supplying Hydrated Lime with high purities (Ca(OH)2 min 92%, up to 96%)in powder for different industries, including Mining gold. 

Contact us to enquire about our Hydrated Lime for Mining Gold!

VIET NAM TECHNOLOGY MINERALS JSC - SHC GROUP

Mr. Steve Dam (International Sales Manager)
Phone/ WhatsApp/ Skype: +84 93 618 1398
Email: export4@shcgroup.vn

 

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