Activated Alumina

Type DA401
Absorbent DA402
Defluoridizer DA403
Absorbent for H2O2 DA404
Antichlor DA405
Catalystcarrier DA406
Absorbent in air separation
Item
Appearance White ball
Main crystal phase x-p x-p y x-p y x-p

Chemical composition Al2O3 ≥ 93 ≥ 93 ≥ 92 ≥ 90 ≥ 93 ≥ 90
Na2O ≤ 0.3 ≤ 0.3 ≤ 0.5 0.15-0.3 ≤ 0.3
I. L 6-8 6-8 ≤ 8 ≤ 8 ≤ 5 6-8
Bulk density, g/ml 0.68-0.72 0.70-0.75 0.65-0.75 0.68-0.78 0.70-0.80 0.68-0.72
Surface area, m2/g ≥ 280 ≥ 280 200-260 ≥ 300 ≥ 200 ≥ 300
Pore volume, ml/g 0.3-0.45 0.3-0.42 0.4-0.46 0.3-0.5 0.4 0.3-0.5
Static absorption Water
15-17 Fluorin
0.12 Water
50 Chlorine
10-20 Water
50-70 Water
17-19
Activity, % 56-62
Loss on abrasion, % ≤ 1.0 ≤ 1.0 ≤ 1.0 ≤ 0.7 ≤ 0.4 ≤ 0.8
Crushing strength Φ 1-2 ≥ 40 ≥ 40 ≥ 40
Φ 2-3 ≥ 60 ≥ 60
Φ 3-5 ≥ 100 ≥ 100 ≥ 82 ≥ 100 ≥ 100
Φ 4-6 ≥ 120 ≥ 130 ≥ 120 ≥