Activated alumina is a porous, highly dispersed solid material with a large surface area. Its microporous surface has the characteristics required for catalysis, such as adsorption performance, surface activity, good thermal stability, etc., so it is widely used Used as a chemical reaction catalyst and catalyst carrier.
Because activated alumina has a porous structure, a large specific surface area, and is in an unstable transition state, it has great activity. In the petrochemical, fertilizer and other industries, activated alumina has adsorption properties, so it is used as a gas-liquid desiccant, gas purification adsorbent, drinking water defluoridation agent, industrial wastewater color and deodorant, etc. In addition to the fluorine filter material, activated alumina has a long service life, and the uses of activated alumina can be said to be more extensive, regardless of its role in the industry.
Modified alumina: due to the difference in the physical and chemical properties of alumina, metal and polymer materials, the wettability of each component in the composite process is poor, the composite quality is not high, and the performance of the composite material is far from reaching the theoretical indicators. The modified functional inorganic filler is blended with organic polymer to improve the wettability of the interface, make the structure more uniform, become a polymer functional filler, and improve the performance of the alumina composite to a certain extent. At the same time, the surface coating metal modification of the alumina powder particles can improve the performance of the metal alumina composite material.
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