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  ACTIVATED ALUMINA

ACTIVATED ALUMINA        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

 

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