Chigadzirwa chacho chichena, spherical porous material ine pfuma isiri-chepfu, isina kunhuwa, isinganyunguriki mumvura uye ethanol.Iyo particle size iyunifomu, iyo yepamusoro yakatsetseka, iyo mechanic simba yakakwira, kugona kwekunyorova kwakasimba uye bhora harina kupatsanurwa mushure mekutora mvura.
Alumina yehydrogen peroxide ine akawanda capillary chiteshi uye yakakura nzvimbo nzvimbo, iyo inogona kushandiswa se adsorbent, desiccant uye catalyst.Panguva imwecheteyo, inotarirwawo maererano ne polarity ye adsorbed substance.Iine hukama hwakasimba hwemvura, oxides, acetic acid, alkali, etc. Activated alumina imhando ye micro-water deep desiccant uye adsorbent ye adsorbing polar molecules.