Main Factors Affecting the Adsorption Performance of Activated Alumina
The adsorption performance of activated alumina is influenced by material properties, operating conditions, and feed-water quality. Specific surface area, pore structure, particle size, mechanical strength, and manufacturing process determine its fundamental adsorption capability. In practical operation, temperature, humidity, flow rate, contact time, and regeneration conditions affect treatment efficiency and service life. For fluoride removal, pH, initial fluoride concentration, alkalinity, coexisting ions, and competitive arsenic adsorption are particularly important. Appropriate adsorbent selection, system design, pretreatment, and regeneration optimization can improve treatment performance and extend media life.
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