Pore structure of activated alumina carrier

1. Porosity
Porosity refers to the inner pore of a particle. The pore volume inside the powder particle per unit mass is called the pore volume. The porosity determines the pore size and specific surface area. The increase of porosity is sometimes beneficial to the improvement of the activity of activated alumina carrier, but the mechanical strength is therefore reduced. Therefore, comprehensive consideration is needed.
2. Pore distribution
To know the effect of the pore size of the activated alumina carrier on the activated alumina, the pore volume distribution of the activated alumina carrier should be known in addition to the data of the specific pore volume and the average pore size.
The pore volume distribution of activated alumina carrier refers to the change of pore volume according to the pore size to determine the number of large pores, transition pores and micropores contained in powder particles.