Activated Alumina
Activated Alumina, also known as Reactive Alumina or Activated Alumin(i)um Oxide, is a highly porous and granular form of aluminum oxide (Al₂O₃) with exceptional adsorption properties. It is produced by dehydrating aluminum hydroxide gel at temperatures between 300°C and 500°C. This material is characterized by its large surface area, high dispersion, and excellent thermal stability, making it an ideal choice for various industrial applications.
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① Water Treatment : It is widely used to remove contaminants such as fluoride, arsenic, and heavy metals from drinking water.
② Gas Drying : It serves as an efficient drying agent in compressed air systems and natural gas processing, removing moisture to prevent corrosion and ensure product quality.
③ Catalyst and Catalyst Carrier : Due to its high surface area and thermal stability, it is used as a catalyst or catalyst carrier in various chemical reactions, particularly in the petrochemical industry.
④ Air Purification: Activated Alumina can be impregnated with chemicals like potassium permanganate to remove harmful gases and odors from the air.
⑤ Chromatography: It is used as a stationary phase in column chromatography for the separation and purification of organic compounds, natural products, and biomolecules.