Filtration & Separation Solutions

Embrace Ultimate Application Challenges of Filtration, Separation, and Purification Technology

Electrolytic Copper Foil Filtration Applications

Copper is widely used in lithium-ion batteries and printed circuit boards for its conductive properties. As copper is developing into thinner, high ductility foils for use in the electronics industry today, electrolyte purification is increasingly important to improve the quality of copper foil. Feature-Tec has various solutions to reduce operational complexity, element change-out frequency and air pollution reduction.

 

 

Copper Contaminants   

 

Contaminants Sources Impact

 Particulates Oil,

 hydrocarbons, etc

 Feed & pipeline

 Corrosion contamination

 Pitting, holes in copper foil

 

Time Consuming & Complex Maintenance

 

Strainers, cartridge & bag filters are commonly used today for electrolyte filtration processes. As manual washing and change-out is required, the complicated process exposes technicians to harmful particles. The problem can be solved by using larger housings with more elements, increasing the process working time to reduce duration of contact with harmful materials.

 

Feature-Tec Filtration System

Fully Automatic, Simple Maintenance, High Precision

 

Feature-Tec multi-stage filtration system purifies electrolytes by installing filters before and after heat exchangers. The SelfClear automatic filtration system provides efficient, fully sealed performance compared to manual change-out filter housings, effectively controlling the purity of electrolytes.

 

Filter Applications

 

Different filters are used at each stage to remove contaminants, ensuring purity of the end product.

 

Filter  Micron Rating  Features Applications
 SelfClear  1um

 Fully automatic

 Minimal manual operation 

 High Efficiency

 Fully automatic

 Minimal manual operation

 High Efficiency

 Oil Absorption

 Filter Bag

 1um

 Absorbs oil

 High precision

 Effectively filters electrolytes

 Prevents heat exchanger fouling 

 Removes particles & pump oil

 Jumbo Filter

 System

 0.5 - 1um

 Large filtration area

 Long service life

 High precision

 Improves electrolyte purity

 Removes pipeline particles

 Assures copper quality

 

Feature-Tec provides filtration solutions according to our clients’ work process and required filtration precision. The micron rating of filters can be adjusted, while oil absorption pillows can be added for increased oil absorption from the process.

 

Surface Treatment

 

 

Bath liquids used for treating copper foils should be  filtered to remove contaminants, ensuring high product quality.

 

As treatment of copper foils requires many complex steps involving circulating washing liquids, the Jumbo filter system extends the service life of the fluids by filtering the fluids before reuse

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