Activated alumina desiccant
â—† Introduction:
Activated alumina spheres have the characteristics of adsorption, catalytic activity, porosity, high dispersion, and large specific surface area. Activated alumina is divided into Y type and XP type according to the internal main crystalline phase composition. According to its use, it can be divided into active alumina adsorbent, activated alumina desiccant and active alumina catalyst support.
â—†Applicable scope:
It is suitable for drying a variety of gases and liquids. It is used as an adsorbent, desiccant, catalyst, and carrier in many reactions such as petroleum, chemical fertilizers, and chemical industries.
â—† The main technical parameters and specifications:
% Al2O3 ≥92 ≥93 ≥90 ≥95 Na2O ≤0.3 Others 6-8 5-7 <10 <5 Physical properties Dimensions φ2-3 φ5-8 φ2-3 φ2-3 φ3-5 φ3-5 φ3-5 Φ4-6 φ4-6 φ4-6 Specific surface area m2/g ≥300 300-325 ≥300 350±20 280-360 Porosity ratio ml/g ≥0.35 ≥0.5 0.4±0.05 0.4±0.03 0.4-0.6 Static water absorption % ≥15 17-19 ≥15 ≥19 ≥28 Bulk density g/cm3 0.68-0.72 0.74-0.77 0.68-0.72 Wear rate % ≤0.04 Point crush 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 ≥10
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