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Gold Heap Leaching Process

Gold Heap Leaching Process

【Process Introduction】
Gold Heap Leaching Process 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】
Gold Heap Leaching Process method is always used for low-grade ore, small gold mine, or both. These ore can not to process by using the conventional method.

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Gold Heap Leaching Process

Gold Heap Leaching Process

Gold Heap Leaching 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.

Gold Heap Leaching Process

Raw Ore Treatment

The raw ore is crushed into fine particles (30-50mm) by using jaw crusher or cone crusher produced by Xinhai, 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.

Desorption Electrolysis System

The video is desorption electrolysis system of Xinhai Tanzania gold project. Desorption electrolysis system is one of the key decive in CIP. In gold electrowinning process, when the electrolysis equipment is added with anions which are more easily absorbed by activated carbons, Au(CN)2ˉ is replaced by anion and the gold desorption is achieved. After the carbons loaded with gold are desorbed, pregnant solution is process via ionization. At last, solid gold is attained.

Gold Heap Leaching Process Related Equipment

  • Jaw Crusher

    Product Introduction
    Xinhai jaw crusher with high production capacity, large reduction ratio and high crushing efficiency
    Production capacity
    0.5~700t/h
    Product Improvement
    Xinhai improves the traditional specification of crushing chamber by adopting high speed swing jaw and cambered jaw plate.

  • Gold Desorption Electrolysis System

    Product Introduction
    Gold Desorption Electrolysis System obtains gold mud from carbon by desorption and electrowinning
    Gold Loaded Carbon Content
    ≥3.5kg/t
    Product Structure
    Gold Desorption Electrolysis System consists of electrolysis equipment including desorption column and the electrodeposition tank

  • Gold Mining Agitation Leaching Tank

    Product Introduction
    Gold Mining Agitation Leaching Tank is a leaching equipment for cyanide leaching by referring the USA technical design
    Effective Volume
    6-395m3
    Product Improvement
    Leaching agitation tank for gold extraction with double impeller, uniform mixing, low energy consumption; the impeller coated by rubber, long service life; multi points to give gas, uniform inflation

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Email: [email protected]

Factory Address:No. 188, Xinhai Street, Fushan high-tech industrial development district, Yantai, Shandong, China

Zip Code:100022

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