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Activated alumina, a form of aluminum oxide, is known for its high porosity and large surface area, making it an effective adsorbent. It is highly durable, resistant to abrasion, and maintains its structural integrity without shrinking, swelling, softening, or disintegrating when exposed to water. Its surface area typically ranges from 345 to 415 m²/g, which contributes to its excellent adsorption properties.
One of the key advantages of activated alumina balls is their ability to absorb up to 36% of their own weight in moisture after activation. This standard product is specifically designed to enhance desiccant performance, and it's available in a wide range of particle sizes, from 1/32nd to 800 microns. It is widely used for the dehydration of gases and industrial liquids, offering a reliable solution for moisture removal in various applications.
Spherical activated alumina is specially engineered for the removal of contaminants such as water and oil from inert gases like nitrogen, helium, and argon. Its hydrophilic nature, combined with optimized pore structure and surface area, ensures superior adsorption efficiency. The design enhances the active surface area through both physical and chemical interactions, making it ideal for use in gas filtration systems.
In addition to its high adsorption capacity, activated alumina is valued for its stability and long service life. It is commonly used as a desiccant in industrial processes where moisture control is critical. Unlike other materials, it can effectively remove more water than most alternatives, making it a top choice for drying gases and liquids.
Adsorption capacity refers to the amount of solute that can be retained on the solid surface, and this depends on factors such as temperature, pressure, and the surface area of the material. With its advanced properties, activated alumina remains a preferred choice in the field of industrial desiccants.
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