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Actived Alumina CAS:1344-28-1
Also known as modern water purification activated alumina, the English name is Activated Alumina or Reactive alumina; activated alumin(I)um oxide. The use of alumina (AL2O3) in the catalyst is usually called activated alumina. It is a porous, high-dispersion solid material with a large surface area, and its microporous surface has the characteristics required for catalysis. Such as adsorption performance, fluorine removal performance, drying performance, surface activity, excellent thermal stability, etc., so it is widely used as household desiccants and catalysts and catalyst carriers for chemical reactions.
| Property | Unit | Standard values | |
| Shape | Beads | ||
| Diameter | mm | 3.0-5.0 | 4.0-6.0 |
| Al2O3 | % | ≥94.5 | ≥94.5 |
| SiO2 | % | ≤0.10 | ≤0.10 |
| Fe2O3 | % | ≤0.03 | ≤0.03 |
| Na2O | % | ≤0.40 | ≤0.40 |
| Static adsorption capacity | % | ≥17.5 | ≥17.5 |
| Bulk density | g/cm³ | ≥0.70 | ≥0.70 |
| Abrasion | % | ≤0.2 | ≤0.2 |
| Crushing strength | N | ≥180 | ≥200 |
| Specific surface area | m2/g | ≥300 | ≥300 |
| Pore volume | cm3/g | ≥0.40 | ≥0.40 |
Brief intruduction
Precautions:
1. Do not open the package before use to avoid moisture absorption and affect the use effect.
2. Activated alumina is suitable for deep drying, and the use condition is that the pressure is greater than 5 kg/cm².
3. After the desiccant is used for a certain period of time, the adsorption performance will gradually decrease. Regeneration should be used to remove the adsorbed water so that the gas can be used repeatedly in the regeneration operation (the dry gas with a lower or same pressure than the dry gas ; Dry gas with higher or the same temperature than during drying operation; wet gas after heating up; wet gas after decompression).
Package&Storage
Airtight packaging must be stored in a dry place,
waterproof and moisture-proof.
No contact with water or steam.
Transportation
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Product Categories : Inorganic Chemicals > Oxide
