{"id":14737,"date":"2025-12-04T08:10:39","date_gmt":"2025-12-04T08:10:39","guid":{"rendered":"https:\/\/www.air-classifier-mill.com\/?post_type=astra-portfolio&p=14737"},"modified":"2025-12-04T08:10:40","modified_gmt":"2025-12-04T08:10:40","slug":"korea-lithium-battery-materials-application-ultrafine-grinding-and-high-precision-preparation-of-lithium-carbonate","status":"publish","type":"astra-portfolio","link":"https:\/\/www.air-classifier-mill.com\/pt\/portfolio\/korea-lithium-battery-materials-application-ultrafine-grinding-and-high-precision-preparation-of-lithium-carbonate\/","title":{"rendered":"Aplica\u00e7\u00e3o de materiais para baterias de l\u00edtio na Coreia: Moagem ultrafina e prepara\u00e7\u00e3o de alta precis\u00e3o de carbonato de l\u00edtio"},"content":{"rendered":"

Contexto do projeto<\/strong><\/p>

Par\u00e2metro<\/th>Value<\/th>Description<\/th><\/tr><\/thead>
Application Material<\/td>Lithium Carbonate (Li\u2082CO\u2083)<\/td>Precursor for lithium battery cathode materials (e.g., LFP, NCM).<\/td><\/tr>
Grinding Equipment<\/td>Epic Powder MJW 300-L Moinho classificador de ar<\/a><\/td>Impact mill with integrated internal classification function.<\/td><\/tr>
Application Location<\/td>South Korea<\/td>Location where the case study took place.<\/td><\/tr>
Design Capacity<\/td>100 kg\/h<\/td>Suitable for pilot-scale or small-to-medium industrial production.<\/td><\/tr>
Final Particle Size<\/td>d50 = 7 \u03bcm<\/td>Median particle size (d50) reaches 7 \u03bcm, classified as ultra-fine powder.<\/td><\/tr><\/tbody><\/table><\/figure>

Solu\u00e7\u00e3o: P\u00f3 \u00e9pico<\/a> MJW 280-L Air Classifier Mill<\/h2>
\"Moinho<\/figure>

Solution: Epic Powder MJW 280-L Classifier Mill<\/p>

The Korean battery manufacturer ultimately selected the latest-generation Epic Powder MJW 280-L classifier mill. This system is specially designed for high-value lithium battery materials such as lithium carbonate (Li\u2082CO\u2083), lithium hydroxide, and LFP, integrating ultrafine grinding and high-precision classification into one machine.<\/p>

Core Equipment Parameters (Based on Lithium Carbonate Operation Test)<\/h2>
  • Model:<\/strong> Epic Powder MJW 280-L Classifier Mill<\/li>\n\n
  • Grinding + Classification Method:<\/strong> High-speed turbo impact milling + dynamic turbo classifier (integrated system)<\/li>\n\n
  • Target particle size:<\/strong> d50 = 7 \u03bcm (adjustable range: 2\u201320 \u03bcm)<\/li>\n\n
  • Particle size distribution:<\/strong> d97 \u2264 18 \u03bcm, extremely narrow (Span < 1.3)<\/li>\n\n
  • Measured capacity:<\/strong> 50\u201370 kg\/h (lithium carbonate, moisture <0.2%)<\/li>\n\n
  • Pot\u00eancia do motor principal:<\/strong> 7.5 kW<\/li>\n\n
  • Classifier wheel speed:<\/strong> Up to 4500 rpm, infinitely adjustable<\/li>\n\n
  • Protective gas:<\/strong> Optional nitrogen circulation, completely preventing oxidation or discoloration<\/li>\n\n
  • Construction material:<\/strong> Key components made of high-purity alumina ceramics, ensuring zero metal contamination<\/li><\/ul>

    Actual Performance Results<\/h2>
    • Particle size:<\/strong> d50 = 6.98\u20137.05 \u03bcm (Malvern Mastersizer 3000)<\/li>\n\n
    • Capacidade:<\/strong> Stable at 55 kg\/h (max up to 120 kg\/h)<\/li>\n\n
    • Purity:<\/strong> Magnetic metals such as Fe, Cu, Zn < 3 ppm, meeting battery-grade requirements<\/li>\n\n
    • Energy consumption:<\/strong> 28% lower than the customer\u2019s previous imported jet mill<\/li>\n\n
    • Product appearance:<\/strong> Significantly improved whiteness, no yellowing (thanks to effective nitrogen protection)<\/li><\/ul>
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