Activated Alumina – এক্টিভেটেড এলুমিনা
Activated alumina is a highly porous form of aluminum oxide (Al2O3). It is produced by heating bauxite ore to high temperatures, which removes water and creates a network of tiny pores within the material. These pores give activated alumina a large surface area, making it highly effective for adsorption and other applications.
Uses:
Activated alumina has a wide range of applications across various industries, including:
- Desiccant: It is widely used as a desiccant to remove moisture from gases and liquids. This is crucial in industries like natural gas processing, air drying, and pharmaceutical manufacturing.
- Catalyst Support: It serves as an excellent support material for catalysts in various chemical reactions. Its high surface area provides a large surface for the catalyst to be dispersed on, enhancing its activity.
- Water Treatment: Activated alumina is used to remove fluoride from drinking water. It can also be used to remove arsenic and other contaminants.
- Chromatography: It is used as a stationary phase in chromatography for the separation of different compounds.
- Adsorbent: It can adsorb various substances, including water vapor, organic compounds, and heavy metals.
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Activated Alumina – এক্টিভেটেড এলুমিনা
- High Surface Area: The large surface area of activated alumina is its key feature, enabling it to adsorb a significant amount of substances.
- Chemical Stability: It is stable over a wide range of temperatures and pH values.
- Mechanical Strength: It is a strong and durable material that can withstand high pressures and abrasion.
- Non-Toxic: It is generally considered non-toxic and safe to use in various applications.
- Regenerable: In many cases, activated alumina can be regenerated by heating or chemical treatment, making it a cost-effective option.
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