Description
Activated Alumina is a porous aluminium oxide adsorbent used for moisture removal in drying applications. It is a useful material to consider when refilling equipment designed for this medium, particularly where the drying process involves air or gas passing through a retained desiccant charge.
Water molecules are attracted to the internal surfaces of the alumina by adsorption. As the stream contacts the material, moisture is retained within its pore structure. Effective drying depends on contact conditions, the available charge and the arrangement of the dryer, rather than on the material alone.
Compressed-air and gas-drying systems are established applications for activated alumina. For a refill project, review the equipment’s operating duty and required outlet moisture level. The chosen grade and system design determine performance, so a dew-point claim should be confirmed for the complete installation and its operating conditions.
Specify the replacement against the original media requirements, including particle dimensions and the means of retaining the charge. These details matter when filling a cartridge or dryer bed. Our technical team can discuss the appropriate quantity and supply format once the equipment and servicing requirements are understood.
Protect unused refill material from moisture before installation and follow the equipment manufacturer’s loading and maintenance procedures. Activated alumina can be regenerated in suitable systems, but the applicable process must match the supplied grade. Confirm operating and regeneration instructions before returning a serviced drying unit to use.
Further information
| Desiccant | Activated Alumina |
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Drawings available on request.
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