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Application of centrifuge industrial filter cloth - refining ternary precursors in the battery industry
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Detailed Description
- Application of centrifuge industrial filter cloth - ternary precursor refining in the battery industry
Xiamen Citius industrial filter cloth on-site operating case diagram:
Filter type: Centrifuge
Application industry: Battery industry
Material description: Ternary precursor
Precise filtration, achieving high-purity precursors —— The key role of centrifuge industrial filter cloth in ternary material refining
With the rapid development of the new energy vehicle industry, the demand for power battery materials, especially ternary precursors (such as NCM/NCA ) continues to climb. As an indispensable intermediate in lithium battery materials, the purity and structural stability of ternary precursors have a direct impact on the subsequent battery performance. In its complex refining and washing process, centrifugal separation plays an extremely important role. One of the core components supporting this efficient separation is the industrial filter cloth with stable performance and reasonable structure. 。
Filtration challenges in the ternary precursor refining process
The production of ternary precursors usually includes co-precipitation reaction, washing, filtration, drying, and sintering steps. In the wet filter cake generated by co-precipitation, impurities (such as sodium, sulfur, chlorine) need to be repeatedly washed and centrifuged to dehydrate effectively removed to meet the technical standards of high-purity battery materials.
This puts higher demands on centrifuge filter cloth:
- High filtration accuracy : Precisely retain micron-level precursor particles to avoid loss of fine powder;
- Excellent stripping performance : The filter cake should be easy to remove, reducing product loss;
- Sufficient mechanical strength : Withstand high-speed rotation and periodic stress changes;
- Strong alkali resistance and washability : Adapt to high-frequency washing and alkaline residual liquid environment;
- High consistency and cleanliness : Prevent cross-contamination and meet the extremely strict requirements of battery materials for metal impurities.
Xiamen Citius (Xiamen Citius) Filter cloth solution: Tailor-made for high-end refining
Xiamen Citius (Xiamen Citius) Environmental Protection Filtration Technology Co., Ltd., based on the needs of the ternary material industry, has developed a variety of industrial filter cloth product series for centrifuges adaptable to various vertical, horizontal, scraper, or bag centrifuge equipment, demonstrating stable filtration performance and excellent operating performance in actual production.
Technical highlights include:
✅ High-precision weaving structure
By precisely controlling the warp and weft density and pore distribution, it achieves efficient interception of NCM 、 NCA and other particles, while ensuring permeation speed, balancing filtration efficiency and production capacity requirements.
✅ Excellent stripping and smooth surface treatment
The filter cloth surface is treated with a special process to prevent filter cake adhesion, facilitating cake removal and equipment cleaning, and improving process continuity.
✅ Chemical resistance and fatigue resistance
Using high-strength fibers and alkali-resistant additives, the filter cloth is not easily damaged or deformed during long-term operation, reducing replacement frequency and material waste.
✅ Strict clean control system
The production environment reaches industrial cleanliness level, the materials used do not contain heavy metals and volatile residues, and fully comply with the lithium battery material industry's requirements for " pollution-free, free of free metals ” " process safety requirements.
Application case: A cathode material company in South China
After co-precipitation of ternary precursors, this company uses a horizontal scraper centrifuge, equipped with Xiamen Citius (Xiamen Citius) filter cloth, significantly improving filtration and washing effects:
- Filtrate clarity improved, impurity content significantly reduced;
- Single dehydration time shortened 15% and filter cake moisture content reduced;
- Filter cloth replacement cycle increased from one week to more than two weeks;
- Significantly reduced production waste due to powder loss.
Conclusion: The purity of every gram of precursor depends on a qualified filter cloth
As battery materials continue to evolve towards high nickel and high energy density, the filtration process is no longer " ancillary process ” but a key node that determines product performance and yield. Xiamen Citius (Xiamen Citius) is committed to providing the battery industry with cleaner, more stable, and more efficient filtration solutions, helping companies stand out in the global lithium battery competition.
Xiamen Citius (Xiamen Citius) Filter cloth —— Provides high-end material industries with " precise separation ” guarantees.
For further filter fabric selection suggestions or case matching, please contact us:
- 📧 Email: wyl@citius-filter.com
- 📞 WhatsApp: +86-13950107241
- 🌐 Website: www.citius-filter.com
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