Activated alumina ball is a kind of alumina ball. It is a kind of chemical material. Its main component is alumina, and the appearance is white spherical particles. Activated alumina ball has a wide range of uses. Activated alumina balls can be used as catalysts, catalyst carriers, desiccants, adsorbents for gas purification, fluoride removal agents for drinking water, color and odor eliminators for industrial sewage, etc.