Copper anode slime treatment equipment

Copper (Cu) anode slime, commonly referred to as copper anode sludge, is a by-product generated during the electrorefining process of copper, including methods such as electrolysis and electrowinning. The equipment designed for treating copper anode slime is specifically engineered to extract valuable precious metals, including silver (Ag), gold (Au), selenium (Se), tellurium (Te), platinum (Pt), palladium (Pd), and rhodium (Rh).

The treatment processes for copper anode slime encompass several critical steps: roasting, leaching, replacement, chlorination, reduction, and smelting. These processes are essential for recovering high-purity silver and gold ingots from the complex matrix of copper anode slime. The methods outlined above represent standard practices in silver extraction (silver recovery) and gold extraction (gold recovery).

This comprehensive approach embodies the "concentration - separation - purification" methodology in metallurgy, wherein each stage collaborates to ensure efficient recovery and the production of high-purity outputs for silver, gold, and other precious metals.

Key Steps in the Copper Anode Slime Treatment Process:

Roasting the copper anode slime
Leaching the roasted product
Replacement reaction：Conducting the metal replacement reaction
Chlorination to extract the gold：Extracting gold
Reduction of the chlorination residue： Reducing the chlorination residue to produce silver
Smelting to produce the final gold and silver ingots

This systematic treatment process not only maximizes the recovery of precious metals but also ensures the sustainability and efficiency of copper refining operations.

Key Equipment

The Copper anode slime treatment equipment includes pyrometallurgy and hydrometallurgy equipment.The follows are key equipment:

S/N	Item
1	Copper anode slime roasting furnace
2	Gold separation and reduction reaction kettle
3	Silver powder oven (pot)
4	Gold powder oven (pot)
5	High-frequency furnace
6	Concentrated sulfuric acid storage tank

Sub-systems of Copper Anode Slime Treatment Equipmen

S/N	Item
1	Sulfation roasting equipment
2	Acid leaching for copper separation equipment
3	Chlorination for gold separation equipment
4	Ammonia leaching for silver separation equipment
5	Displacement of platinum and palladium equipment
6	Electrical instruments

The product produced by copper anode slime equipment:

S/N	Item	Index
1	Refined Gold Purity(%)	Au≥99.9%
2	Refined Silver Purity(%)	Ag≥99.9%
3	Copper Dust (%)	Cu≥99.9%

Technical Parameters List

S/N	Item	UOM	Index
1	Gold recovery rate	%	>98
2	Silver recovery rate	%	>98

FAQ

Q: What payment terms are acceptable?

A: We accept Letters of Credit(LC), Telegraphic Transfers(TT), and cash payments.

Q: Can you provide installation service?

A: Yes, we offer installation services or installation instructions through online or other methods to meet the client's needs.

Q: Can you provide design service to clients?

A: Yes, we can provide customized design services and products according to the client's requirements.

Q: What are the raw materials and final product of the project?

A: The raw material is copper anode slime, also known as copper anode sludge, the final products are refined silver, refined gold, crud selenium or refined selenium.

Q: Can lead anode slime, zinc anode slime, tin anode slime to be processed to produce precious metals like silver, gold, selenium?

A: Yes, but we need the analysis report to design the proper processes and metallurgy equipment.

Q: Could the anode slime treatment equipment works full automatically?

A: Yes, we can supply the robots to complete the process. But the key processes must be conducted under human woker's supervision.

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