Raw Material: Quartzite Rock (SiO₂: 97.8%)
Photovoltaic Grade: SiO₂≥99.99%, Fe₂O₃≤10ppm
Semiconductor Grade: SiO₂≥99.997%, Al≤20ppm
Final Product: High-Purity Quartz Sand
Recovery Rate: 92%
Capacity: 500 tons per day
Work Scope: Turnkey Solution (Design to Commissioning)
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Crushing & Scrubbing：2-stage jaw/cone crushing → Particle size ≤20mm；Attrition scrubbing for clay removal
Magnetic Separation：3-stage WHIMS (20,000 Gauss)；Remove Fe/Ti impurities
Chemical Purification：Hot acid leaching (HCl/H₂SO₄)；Remove surface impurities
Classification & Desliming：Hydraulic classifier: Remove -0.1mm fines；Spiral separator: Discard heavy minerals
Flotation：Acidic flotation (HF-free process)；Remove feldspar & mica
Drying & Packaging：Rotary dryer → Moisture ≤0.2%；Classified into 4 purity grades
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3000 TPD Gold Flotation Project in Shandong Province
2500TPD Lithium Ore Flotation in Sichuan
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