ACTIVATED ALUMlNA
Activated alumina has large capacity of absorption,high surface
area,high strength and thermal stability,which is widely used
as an absorber,desiccato r and catalyst carrier in chemical,
petrochemical and fertilizer industries.
Chemical and physical property
|
Absorber of alumina activated |
Desiccater of activated alumina |
CataGyst carrier of activated alumina |
UniversaI |
High
strength one |
Unive rsal |
Inthe air
sepa ration |
Crystal phase |
Y(Model) |
X-P |
Y(Model) |
％
Chemical
composition |
Al2O3 |
≥92 |
≥93 |
≥90 |
≥95 |
Na2O |
|
≥0.3 |
|
其余Else |
6-8 |
<10 |
<5 |
Phvsical
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 |
m2/g
Specific area |
≥300 |
300-325 |
≥300 |
350±20 |
200-400 |
ml/g
Porevolume |
≥0.35 |
≥0.5 |
0.4±0.05 |
0.4±0.03 |
0.4-0.6 |
％
Seatic water absorption |
≥1.5 |
17-19 |
≥15 |
≥19 |
≥28 |
g/ml
Bulk density |
0.68-0.72 |
0.74-0.77 |
0.68-0.72 |
Abrasion ration |
≤0.4 |
C rushing 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 |
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