Alumina omwe amagwiritsidwa ntchito muzothandizira nthawi zambiri amatchedwa "activated alumina".Ndi porous ndi kwambiri omwazikana olimba chuma ndi lalikulu pamwamba.Malo ake ang'onoang'ono ali ndi mawonekedwe ofunikira pa catalysis, monga ntchito ya adsorption, zochitika zapamtunda, kukhazikika kwamafuta, ndi zina zambiri.