High-Current Density Gold Electrolytic Cell

Patent Number: ZL2017 2 1869404.X. The gold electrolysis unit is a device that utilizes electrolysis to refine crude gold with a gold content of over 95% to a purity of 99.99%. It uses crude gold as the anode, titanium sheets or pure gold as the cathode, and chloroauric acid solution as the electrolyte. By applying a direct current/alternating-direct current superimposed power supply, crude gold dissolves at the anode, and pure gold precipitates at the cathode, achieving the refining effect.

Cathode current density up to 1000 A/M²
Automatic control of electrolyte temperature;
Titration-based liquid replenishment to maintain electrolyte level;
Electrolyte maintained in a self-circulating state.

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Advantages of the Gold Electrolysis Unit

a. Stable Product Quality: It can meet the Au99.99 (Grade I) gold ingot standard of the Shanghai Gold Exchange; based on special customer requirements, gold ingots with a purity of 99.999% can also be produced through secondary electrolysis.
b. Low Production Cost: Approximately 0.02 yuan per gram of gold;
c. AC-DC Superimposed Power Supply: The use of an alternating-direct current superimposed power supply effectively prevents the formation of silver chloride on the gold anode, enabling more thorough electrolysis of the anode plate.
d. High-Current Density Electrolysis Technology: This enhances production efficiency.
e. Transparent Enclosed Fume Hood: It provides a good working environment, is easy to operate, aesthetically pleasing, and the entire unit occupies approximately 4 m² of space.
f. Fume Condensation Device: Since the gold electrolysis process requires a relatively high temperature (60-70°C), the fume condensation device can condense and return the volatilized electrolyte, preventing gold loss.
g. High-Performance Materials: The main body of the equipment is made of high-performance polypropylene material with added anti-aging agents, significantly extending the equipment’s service life; the overall support frame is made of PPH, which exhibits extremely strong corrosion resistance; the cathode and anode conductive strips are made of titanium-clad copper, offering excellent conductivity.

Technical Parameters

Model	Dimensions	Pure Gold Precipitation Capacity	Power（kw）	Power Supply	Material
JQ-JDJ-2.5	10007001800mm	2.5kg/d	2	380V	PPH
JQ-JDJ-5	10007001800mm	5kg/d	2
JQ-JDJ-10	11007001800mm	10kg/d	4
JQ-JDJ-20	17008001800mm	20kg/d	6