Activated alumina
has large capacity of absorption,high surface area,high
strength and thermal stability,which is widely used
as an absorber,desiccator and catalyst carrier in chemical,petrochemical
and fertilizer industries.
Chemical
and physical property
| |
Absorber
of alumina activated
|
Desiccater
of activated alumina
|
Catalyst
carrier of activated alumina |
Universal |
High
strength one
|
Universal |
Inthe
air separation |
| Crystal phase
|
Model |
X-P |
Model |
| Chemical composition
% |
AL2O3 |
≥92 |
≥93 |
≥90 |
≥95 |
| Na2O |
≥0.3 |
| Els |
6-8 |
<10 |
<5 |
| Physical property |
mm Shape and size |
Φ2-3
Φ3-5
Φ4-6 |
Φ5-8 |
Φ2-3,Φ3-5,Φ4-6 |
Φ2-3
Φ3-5
Φ4-6 |
specific surface area m2/g
|
≥300 |
300-325 |
≥300 |
350±20 |
200-400 |
| Pore volume,ml/g |
≥0.35 |
≥0.5 |
0.4±0.05 |
0.4±0.03 |
0.4-0.6 |
| Seatic water absorption,% |
≥15 |
17-19 |
≥15 |
≥19 |
≥28 |
Bulk density g/ml
|
0.68-0.72 |
0.74-0.77 |
0.68-0.72 |
| Abrasion ration % |
≤0.4 |
| Crushing strength
N/piece |
Φ2-3 |
≥70 |
222-311 |
Φ2-3 |
≥70 |
Φ2-3 |
≥70 |
| Φ3-5 |
≥100 |
Φ3-5 |
≥100 |
Φ3-5 |
≥100 |
| Φ4-6 |
≥100 |
Φ4-6 |
≥100 |
Φ4-6 |
≥100 |
|
ACTIVATED ALUMINA
