Alumina inoshandiswa mumagetsi inowanzonzi "activated alumina".Iyo ine porous uye yakanyanya kupararira yakasimba zvinhu zvine nzvimbo yakakura.Iyo microporous surface ine hunhu hunodiwa pacatalysis, senge adsorption performance, chiitiko chepamusoro, kugadzikana kwemafuta, nezvimwe.