Activated Alumina Balls
Molecular Formula: Al2O3. n H2O (0＜n≤0.8)
Physical Properties
1 | 2 | 3 | 4 | 5 | ||
Appearance | White, Sphere, No odor, Insoluble in water, innocuous | |||||
Chemical Composition | Al2O3% | ≥93 | ≥93 | ≥93 | ≥93 | ≥90 |
Na2O% | ≤0.3 | ≤0.3 | ≤0.5 | 0.15-0.3 | ≤0.3 | |
LOI | % | 6-8 | 6-8 | ≤8 | ≤5 | 6-8 |
Bulk Density | g/ml | 0.68-0.72 | 0.7-0.75 | 0.65-0.75 | 0.70-0.80 | 0.68-0.72 |
Surface Area | M2/g | ≥300 | ≥300 | 200-260 | ≥200 | ≥330 |
Pore Volume | ml/g | 0.38-0.42 | 0.38-0.42 | 0.4-0.46 | 0.4 | 0.3-0.5 |
Static Absorption (RH=60%) | % | Water absorption 15-17 | Fluorine absorption 1.8-2.4 | Water absorption 52 | Water absorption 50-70 | Water absorption 17-19 |
Active | % | 56-62 | ||||
Attrition Loss | % | ≤1.0 | ≤1.0 | ≤1.0 | ≤0.4 | ≤0.8 |
Crushing Strength | Φ1-2 | ≥40 | ≥40 | |||
Φ2-3 | ≥60 | ≥60 | ||||
Φ3-5 | ≥100 | ≥100 | ≥100 | ≥100 | ||
Φ4-6 | ≥120 | ≥130 | ≥120 | ≥110 | ||
Item 1: is used as adsorbent
Item 2: is for defluorination
Item 3: is for absorption in producing hydrogen peroxide
Item 4: is for catalyst carrier
Item 5: is for dehydrating and drying in air separation etc.
