Activated alumina is a highly porous material made from aluminium hydroxide.
Libra activated alumina has a high crush strength and low dust content, making it ideal for the applications of drying compressed air and other gas and liquid streams.
Libra activated alumina could replace BASF F-200.
Product Applications
1. Drying
Libra activated alumina is the best for drying compressed air with long service life and performance at or below dew point specifications. Libra activated alumina is appropriate for use in dehydrating gases in both thermally regenerative and pressure swing (PSA) modes.
Water removal is often necessary for efficient processing, storage and transportation of fluids. The 3/16″(4.7mm) size is normally recommended for vapor phase dehydration applications where pressure drop minimization yet high H2O adsorptive capacity is desired. The 1/8″ and 7 x 14 Tyler mesh sizes are recommended for use in liquid dehydration and other mass transfer limited adsorption applications.
2. guard bed protective layer
Libra Activated alumina serves to protect the adsorbents bed from liquid water and liquid hydrocarbons carried over from upstream units, or formed in the pipeline through condensation. Since liquids would severely damage the adsorbents layers close to the inlet of the vessel, Libra Activated alumina guard beds are used to protect the bed. The function of the guard bed is to pick up these free liquids, thus protecting the following adsorbent layers.
| Physical properties | White spherical | |||
| Diameter | 1/8 (3.2mm ) (3-4mm) | 3/16′ (4.7mm ) (4-5mm) | 1/4′ ( 6.5mm ) (6-7mm) | 1/2′ (13mm ) (12-14mm) |
| Specific surface area( m2/g ) | 300-350 | 300-350 | 300-350 | 300-330 |
| Pore volume(cc/g ) | 0.4-0.5 | 0.4-0.5 | 0.4-0.5 | 0.4-0.5 |
| Bulk density (g/cm3 ) | 0.68-0.75 | 0.68-0.75 | 0.68-0.75 | 0.68-0.75 |
| Crush strength( N/sphere ) | 100 | 200 | 300 | 500 |
| Abrasion loss ( wt% ) | 0.1 | 0.1 | 0.1 | 0.1 |
| Static adsorption capacity( wt% ) | 18-21 | 18-21 | 18-21 | 18-21 |
Shipping Information
Activated alumina is shipped in 25kg/bag or quick load bags.
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Contact Us
Libra Chemical Co., Ltd
Email: libra@dllibra.com
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