Gold Ore Beneficiation Plant Complete Production Plant Cil Cip Process
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Quik Detail
Type | Gravity Separator |
---|---|
Production Capacity | 2-10 |
Place of Origin | Henan, China |
Brand Name | VICTORY |
Voltage | 220/380 |
Dimension(L*W*H) | 6330*2160*2200 |
Weight | 16000 KG |
Warranty | 1 Year |
Machinery Test Report | Provided |
Video outgoing-inspection | Provided |
Core Components | motor, Pump, PLC, Other, Engine |
Key Selling Points | Long Service Life |
Product name | Gold Ore Beneficiation Plant Complete Production Plant Cil Cip Process |
Keyword | gold ore processing |
Installation | Engineer Guide |
Usage | Gold Extracting |
Raw material | Rock Gold |
Advantage | Long Lifework |
Features | High Processing Capacity |
Local Service Location | None |
After-sales Service Provided | Video technical support |
After-sales Service Provided1 | Free spare parts |
Applicable Industries | Manufacturing Plant, Construction works , Energy & Mining, Other |
Showroom Location | Egypt, Canada, Turkey, United Kingdom, United States, France, Viet Nam, Philippines, Saudi Arabia, Indonesia, Thailand, South Korea, UAE, Bangladesh, South Africa, Australia |
Condition | New |
Warranty of core components | 1 Year |
Marketing Type | Hot Product 2024 |
Product Detail
Gold Ore Beneficiation Plant Complete Production Plant Cil Cip Process
Brief Introduction
The carbon leaching method (CIL) is developed on the basis of the gold extraction process for the replacement of fully viscous zinc cyanide powder. The coal leaching process is characterized by the fact that the leaching and adsorption operations are performed simultaneously, which saves the stirring tank and saves the investment. In recent years, newly built wet gold mining plants have generally adopted this process.
Raw Material
The carbon leach process is suitable for treating low sulfur oxidized ores with a lot of slurry, and is not suitable for high silver gold ores. Usually, the gold / silver ratio can not exceed 1: 5. At present, the best conditions for using the carbon leach method are: PH = 10-11, sodium cyanide concentration not less than 0.015% , size Activated carbon particle 1-3.35mm, the carbon type is coconut shell activated carbon, and the leach pulp concentration is 40-45%.
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Main Equipments
The main equipment of the carbon leaching plant includes crushers, belt conveyors, vibrating screens, ball mills, classifiers, dust removal, thickeners, slurry pumps, leaching tanks, adsorption tanks, carbon extraction equipment, carbon screens, safety screens, etc.
Process
The specific process is as follows:
Leaching and adsorption
The carbon leaching method is characterized by the simultaneous leaching and adsorption of gold. The number of leaching stages is usually 6 to 10 stages. The gold content of the suspension solution after adsorption by this method is generally 0.01 to 0.03 g / m³.
Cyanide leaching
In the leaching process, cyanide is used to leach gold and silver from the ore, forming a gold-silver cyanide complex. Lime is used to maintain a high pH to prevent the generation of toxic hydrogencyanide gas. In a carbon leaching plant with a higher level of automation, a hydrogen cyanide gas detector is installed in the leaching and adsorption area.
Activated carbon adsorption
The commonly used activated carbon is coconut activated carbon, which has good adsorption performance and good wear resistance; Each adsorption tank should be equipped with a carbon screen, and the screen is usually 24 mesh 304 stainless steel. Carbon screens are mostly cylindrical and V-shaped, and our company uses vibrating screens.
Desorption
The desorption liquid in the high temperature and high pressure desorption method is aqueous solution of 0.1% sodium cyanide and 1% sodium hydroxide, the temperature is 150-170 ℃, the pressure is 0, 35 MPa and the desorption time is only 4-6 h to reach the process conditions. This method greatly reduces the consumption of chemicals, the desorption rate is fast and the carbon cycle period is short. However, the process needs to cool before desorbing the expensive liquid to avoid boiling and splashing.
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Advantage
1. Shorten the leaching time;
2. Increase the leaching rate of gold and silver;
3. Reduce cyanide consumption;
4. Effectively leach the minerals containing more oxygen-consuming minerals.
Application
It is mainly suitable for processing low sulfur oxidized minerals with a lot of sludge. Electrolytic extraction by desorption, carbon pickling and thermal regeneration, chemical preparation, wastewater treatment and gold smelting and other processes.