Activated alumina
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Activated Alumina has the advantages of large surface area, high strength, thermal stability, many micro-pores, well disperser, so it has a high affinity for water/impurity and active catalyst. According to the applications of balls, there are 6 types of Activated Alumina Sorbent, Activated Alumina Desiccant and Activated Alumina Catalyst carrier,Activated Alumina Defluoridizer, Activated Alumina Antichlor, Activated Alumina Absorbent In Air Separation, Activated Alumina Absorbent For H2O2. Meantime interior composition of the crystal phase was divided into mode Y and X-P.The activated alumina are widely utilized in the drying agent of multiform gas and liquid, also function is used as a sorbent, desiccant, catalyst carrier in reactors for petrochemical industry, chemical industry, fertilizer industry and so on.Technical Property of Activated Alumina
Item |
KA401 Absorbent |
KA402 Defluoridizer |
KA403 Absorbent for H2O2 |
KA404 Antichlor |
KA405 Catalyst carrier |
KA406 Absorbent in air separation |
|
| Appearance | White ball | ||||||
| Main crystal phase | χ-ρ | χ-ρ | γ | χ-ρ | γ | χ-ρ | |
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 | ≤ | ≤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 20 |
Fluorin 0.12 | Water 50 |
Chlorine 10-20 |
Water 50-70 |
Water 20 |
|
| Activity，％ | – | – | 56-62 | – | – | – | |
| Loss on abrasion，％ | ≤1.0 | ≤1.0 | ≤1.0 | ≤0.7 | ≤0.4 | ≤0.8 | |
| Crushing strength， N/grain | Φ1-2 | ≥40 | ≥40 | – | ≥40 | – | – |
| Φ2-3 | ≥60 | ≥60 | – | – | – | – | |
| Φ3-5 | ≥100 | – | ≥100 | ≥82 | ≥100 | ≥100 | |
| Φ4-6 | ≥120 | – | ≥130 | ≥120 | ≥120 | ≥110 | |
| Φ5-7 | ≥120 | ≥150 | ≥150 | ≥150 | ≥160 | ≥150 | |
| Φ6-8 | ≥200 | ≥200 | ≥200 | ≥200 | ≥220 | ≥200 |
