Alkaline etching fluid Recovery & copper extraction system

Wastewater treatment capacity: 10-100 Ton
Copper production capacity: 3-10 Ton

It is widely used in the regeneration and copper extraction system of alkaline etching waste liquid in the production of printed circuit boards. It can safely apply the regenerated etching waste liquid to the production line and recover excess metallic copper.

Alkaline etching fluid Recovery & copper extraction system

The alkaline etching liquid recovery and copper extraction system is a complex alkaline etching waste liquid regeneration and copper deep processing, recycling, and purification process. It mainly adopts the direct electrolysis method to extract high-purity electrolytic copper from etching waste liquid through electrolytic deposition, reduce the copper ions in alkaline etching waste liquid, separate oil and water, and reuse it in the treatment line after component preparation. It reduces the amount of sewage discharged after etching waste liquid recovery and reduces environmental pollution and the production cost of PCB manufacturing Plant. After copper ore is concentrated, some impurities still exist. Electrodeposition and electrolytic refining can be used to purify copper and increase the purity of copper metal.

It is often used to recover metallic copper and effective chemicals and reuse wastewater in production lines. The etching liquid regeneration and reuse system input heavy metal waste liquid into the electrolytic regeneration equipment for metal electrolysis, which, after treatment, electrolyzes high-quality and high-purity metallic copper with commercial value.

Process Of Alkaline etching fluid Recovery & copper extraction system

The alkaline etching liquid recovery and regeneration system equipment adopts the “extraction separation-electrodeposition copper” process. “Extraction and separation” is to separate the copper ions in the waste etching solution to regenerate the waste etching liquid. After adjusting the parameters, the regenerated etching solution is returned to the etching machine for recycling. “Electrodeposited copper” is the electrodeposition of copper ions separated by extraction into high-purity electrolytic copper. The etching liquid regeneration and reuse system will input the waste liquid containing heavy metals into the electrolysis regeneration equipment for metal electrolysis. After treatment, high-quality and high-purity metallic copper with commercial value will be electrolyzed.

Working principle

The direct electrolysis process of alkaline etching solution regeneration and copper recovery system uses unique materials to composite anode and cathode to directly electrolyze alkaline copper etching solution with high copper content.

High-purity single copper is deposited on the cathode plate, and the solution, after copper removal, maintains the original chemical composition of the etching solution. After effective treatment and deployment, the regenerated sub-liquid with stable etching ability is automatically controlled by the specific gravity signal to add back to the etching line for etching work, thereby realizing the recycling of resources.

process features

The operation process is closed, which can achieve clean production, energy saving, and emission reduction, and reduce the environmental pressure of the factory;
The extraction agent and stripping agent can be reused, which can reduce the operating cost and waste generation;
The electrode plate can be used repeatedly, which is easy to operate, the electrolytic copper is of high purity, and the profit is very considerable;
The waste etching liquid is regenerated, and the regenerated etching liquid can be recycled, which reduces the operating cost;
The copper ions in the waste etching liquid and ammonia washing water are recovered and reduced to high-purity copper, and the copper recovery rate is high;
The waste gas tower is set with an automatic addition control device, and the induction probe is calibrated and repaired regularly to prevent the waste gas from being discharged substandard;
The degree of automation is high, and after being connected to the etching line, it automatically circulates and operates. This does not affect production during the installation and commissioning process, and it can be used after installation and commissioning, improving work efficiency.

Technical Parameters

Model	Wastewater treatment capacity (Ton/month)	Electricity load	Copper production capacity	Area
YZ-JXSCQ-30	10-30T	30kw	3T	60m²
YZ-JXSCQ-50	50-100T	60kw	5T	100m²
YZ-JXSCQ-100	100T	90kw	10T	200m²