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Working principle
In the desorption electrolytic system, an anion that is easily adsorbed by activated carbon is added to the desorption system, thereby replacing Au (CN) 2- to realize the desorption of gold. The noble liquid obtained by desorbing gold-supported carbon is recovered by ionization to obtain solid gold.
The efficient and low-consumption fast desorption electrolysis device is mainly composed of two parts, desorption and electrolysis. The desorption and electrolysis processes are separated, and the solvent is carried out in a comprehensive desorption tower. The expensive liquid electrolysis is completed in a separate electrolytic cell. The four steps of heating the precious liquid, condensing the solvent, and recovering the solvent are concentrated in the integrated desorption tower, and the precious liquid obtained after desorbing the gold with the solvent vapor is introduced into the electrolytic tank independently set through the pipeline for electrolysis to obtain crude gold. After purification, the finished gold is obtained.
Advantages
1.High desorption rate
2. Large processing capacity and low production cost
3.Cyanide-free desorption
4. Lean carbon does not require fire-based thermal regeneration.
5. The non-destructive automatic conveying of charcoal does not produce powdered charcoal during the charcoal transportation process, and does not cause carbon loss and gold loss.
6. Work in a cyanide-free environment with a good working environment.
Technical specifications for Gold Ore Desorption and electrolysis equipment :
|
Process Capacity of Gold Carbon(kg/batch) |
Operate Pressure |
Temperature(ºC) |
Power(Kw) |
Grade of Lean Carbon(g/t) |
|
150 |
0.2±0.1 |
100±5 |
34.4 |
<500 |
|
300 |
0.2±0.1 |
100±5 |
34.4 |
<500 |
|
500 |
0.2±0.1 |
100±5 |
66 |
<500 |
|
750 |
0.2±0.1 |
100±5 |
66 |
<500 |
|
1000 |
0.2±0.1 |
100±5 |
89 |
<500 |
|
1500 |
0.2±0.1 |
100±5 |
89 |
<500 |
|
2000 |
0.2±0.1 |
100±5 |
99.5 |
<500 |
|
3000 |
0.2±0.1 |
100±5 |
99.5 |
<500 |
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