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Gold ore beneficiation-Gold Heap Leaching Process

Gold ore beneficiation-Gold Heap Leaching Process
Equipments
Jaw crusher,cone crusher,etc
Processing materials
Gold ores
Production capacity
5-1200 TPD
Process Introductio

Heap leaching (HL) is a flexible and economic mineral processing method, commonly used to extract gold from low-grade gold ores. In this process, ore is firstly crushed to fine particles. By spraying leaching solution to the large piles, the gold-containing solution is leached. Then used the method of carbon adsorption, zinc powder displacement device and so on to separate gold from the liquid.

Application

Heap leaching method is always used for low-grade ore, small gold mine, or both. These ore can not to process by using the conventional method.

Gold heap leaching production

Advantages

*Simple process, less equipment;

*Small investment, yield quick returns, and low cost;

*The nature, grade, quantity of ore has strong adaptability.

 

Process Description

The heap leaching plant adapt to local condition. According to the feature of the landscape, we can built permanent heap plant or overlap-type heap plant. If the slope was not steep with open views, permanent heap plant is suitable.

 

Raw Ore Treatment

The raw ore is crushed into fine particles (30-50mm) by using jaw crusher or cone crusher produced, then will be heap leaching directly; or pelletization (fine particles are pelletized into bigger lumps ), then piled by forklift.

 

Heap Spraying

Then the large piles will be sprayed by the leaching solutions, through which the gold-containing solution will be leached from the piles. The pregnant liquid will flow into pregnant solution pool. Then used the method of carbon adsorption, zinc powder displacement device and so on to separate gold from the liquid. The tail liquid will be recycled.

contact us(XKJ GROUP)

Process Introductio Heap leaching (HL) is a flexible and economic mineral processing method, commonly used to extract gold from low-grade gold ores. In this process, ore is firstly crushed to fine particles. By spraying leaching solution to the large piles, the gold-containing solution is leached. Then used the method of carbon adsorption, zinc powder displacement device and so on to separate gold from the liquid. Application Heap leaching method is always used for low-grade ore, small gold m...
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