Special Filtration Process

Filtration and Separation Breaking Boundaries in Industrial Innovation

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Nano Slurry Concentration & Washing

In the rapidly developing industrial era, the efficient processing of slurries in fields such as lithium batteries and chemicals is a challenge that practitioners must face. Well-dispersed slurries with a high solid phase volume fraction are easily affected by various impurities during the process, leading to surface adhesion that impacts material dispersion and slurry flowability. Additionally, slurries often contain residues of anions, cations, and other elements; failure to clean them thoroughly can affect the performance and application of the powder. To enhance product purity, slurries rich in impurity ions need to undergo repeated washing and filtration. However, this process comes with numerous challenges. Most powder particles, due to their small size, large specific surface area, and strong surface physical and chemical interactions, tend to agglomerate strongly, forming a sol system and making the washing and filtration of slurries very difficult.

Traditional Slurry Processing

Traditional slurry processing methods, such as plate and frame filter presses, often result in the formation of dense filter cake layers during solid-liquid separation, leading to clogged filter media where impurity ions are trapped, thereby reducing washing efficiency. Once the media is clogged, the filtration rate decreases rapidly, resulting in poor solid-liquid separation efficiency, necessitating repetitive equipment loading, unloading, and cleaning, severely impacting the continuity and automation of production processes. This not only causes material losses but also reduces capacity and increases labor intensity.

While traditional slurry processing methods have a long history, they are accompanied by issues such as low efficiency and resource wastage. Feichao has introduced a revolutionary slurry filtration and washing solution to address these challenges.


Feature-Tec Solutions

The continuous gradient filtration and washing process can be fully automated throughout, operating continuously, making the production process simpler, stable, and highly efficient. This significantly enhances capacity efficiency and product purity, reduces water usage for washing, cuts down on labor costs, and the enclosed processing also greatly improves the factory environment.


Typical Application

• Lithium slurry filter washing
• Magnesium hydroxide slurry filter wash
• Titanium dioxide post-treatment
• Al2O3preparation of ultrafine powder
• Niobium hydroxide filter wash
• Aluminum hydroxide powder washing
• PTA slurry separation

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