Activated alumina is a type of alumina having granules with many pores that have the capability of absorbing both water and gases. It possess a high porous structure but also known for its high surface area to mass ratio as well as pole-molecular absorbent features. The raw material used for making this substance is aluminum hydroxide which is dehydroxylated in order to produce the activated alumina. There are a number of popular terms used to define this compound such as an absorbent, catalyst carrier, aluminum oxide and desiccant etc. and interestingly each of the names define the features of this extremely useful and beneficial compound.
There are a number of advantages associated with activated alumina: