1.Ceramic sand filters are doped with rare earth element and processed by mixing, shaping and sintering.
2. Iso9001-2000
1.Production Description
Ceramic sand filters are doped with rare earth elements and processed by mixing, shaping and sintering. Ceramic sand filters have great advantages of strong filtering adsorption ability, high strength, low resistance, corrosion resistance, non-toxic, easy to regenerate and long service life etc.
2.Chemical Composition
AL2O3 | SiO2 | Fe2O3 | MgO | CaO | K2O+Na2O | Rare Elements |
18-25% | 68-74% | ≤1.0% | ≤0.7% | ≤0.5% | ≤4% | Micro component |
3.Technical Index
Item | Index | Item | Index |
Particle Size, mm | 0.5~3.0 | Water permeability, t/m2.h | 2~3 |
Compressive strength, N | 30~150 | Gas permeability, m3/m2h.h | 1500~2000 |
Abrasion resistance, % | <0.5 | Bulk density, g/ml | 1.1~1.5 |
Acid resistance, % | >98 | Free volume, % | 40~45 |
Alkali resistance, % | >82 | Thermal resistance, °C | -80~1200 |
4.Product Sizes (mm):Φ0.5~1, Φ1~2, Φ2~3.
