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PRODUCT

Rapid-desorption Electrowinning System

Capacity of Standard Process: 300-7500kg/d 

Capacity of Overloading Process: 750-18000kg/d

Product introduction

Working Principle

Add some anion more easily absorbed by activated carbon to replace Au(CN)2- and realize the desorption of gold. The pregnant solution from desorption of gold loaded carbon will be recycled by the ionizaion method, so as to get the solid gold.

Product Advantage

* High temperature, high pressure, cyanide-free, desorption automatic control, high efficiency, low energy consumption, and fast operation.
A. High efficiency: When the grade of the gold loaded carbon reaches 3000g/t, the desorption rate can reach above 96%. The grade of barren carbon can be reduced by 3-4 times than that of the conventional desorption electrolysis device.

B. Rapid: The temperature of the desorption electrolysis can reach 150℃ (30-55℃ higher than that of other models at the first stage), and the working pressure of the system can reach 0.5MPa (0.2-0.5MPa higher than that of other models at the first stage). Therefore, the time for desorption electrolysis is very soon, which is generally 12 hours, with nearly 3 times shortened.

C. Low consumption: The temperature of desorption electrolysis is the same with no need to heat. As the operation is fast, the total power consumption is 1/2-1/4 of the conventional system.

* Cyanide-free: No sodium cyanide is added for desorption electrolysis to realize low costs and no pollution.
* High grade of all slime without anti electrolysis with easy extraction of gold mud
* Automatic control: Specially set liquid level control system, temperature control system and automatic control system.
* Safe: With triple safety protection measures, namely, self intelligent system, automatic pressure limiting and release system and safety valve.

Application

It is used for the extraction of solid gold from gold loaded carbon by cyanidation.

Rapid-desorption-Electrowinning-System

Capacity List

Capacity of Standard Process(kg/d)

Capacity of Overloading Process(kg/d)

Recommended Model(kg/batch)

300

750

XH-200

450

1000

XH-300

650

1700

XH-450

750

1800

XH-500

900

2200

XH-600

1130

2700

XH-750

1500

3600

XH-1000

1800

4500

XH-1200

2250

5500

XH-1500

2700

6500

XH-1800

3000

7500

XH-2000

3750

9000

XH-2550

4500

11000

XH-3000

5200

13000

XH-3500

6000

15000

XH-4000

7500

18000

XH-5000

 

Technical Parameters

Model

Suitable Scale

System Equipment List

System Instrument List

Operation Parameters

Mine Scale(t/d)

Raw Ore Grade(g/t)

GJD-200

<150

2-8

S1 Desorption Column
S2 Filter
S3 Electrolytic Tank
S4 Circulating Pump
S5 Electric Heater
S6 Carbon Ejector
S7 Air Compressor
S8 Desorption Solution Tank
S9 Clarified Water Pump 
S10 Acid Storage Tank 
S11 Magnetic Pump 
S12 Carbon Storage Tank 
S15 Control Cabinet 
S16 Silicon Rectifier Cabinet
S17 Pickling Tank

B1 Electric Resistance Remote Transmission

Diaphragm-Seal Pressure Gauge
B1 Pressure Indication Adjusting Meter
B2 Diaphragm Pressure Gauge
B3 Vortex Shedding Flow meter
B3 Flow Integrating Instrument
B4 Thermal Temperature Meter
B5 Temperature Sensor
B5 Temperature Indication Adjusting Meter
B6 Diaphragm Pressure Gauge
B7 Level Meter
B9 Temperature Sensor
B9 Temperature Indication Adjusting Meter

Desorption Solution:РH≧13.5
Time of Application: Infinite 
Electrolysis Start: 100-110℃ 
Electrolysis Ending: 150℃
Electrolysis Current: 350-1250A
Electrolysis Voltage: 2-4V
Pressure at 150℃:

Upper of Desorption Column: 0.50-0.57MPa
Electrolytic Tank: 0.45-0.52MPa

GJD-300

150-300

GJD-450

GJD-500

300-500

GJD-600

GJD-750

GJD-1000

500-1000

GJD-1200

GJD-1500

GJD-1800

GJD-2000

1000-2000

2-20

GJD-2500

GJD-3000

GJD-3500

2000-3000

GJD-4000

 

GJD-5000

 

Special

>3000

 

Successful project

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