I-alumina esetshenziswa kuma-catalyst ngokuvamile ibizwa ngokukhethekile ngokuthi “i-alumina ecushiwe”.Kuyimpahla eqinile enezimbotshana futhi ehlakazeke kakhulu enendawo enkulu.Indawo yayo ye-microporous inezici ezidingekayo ze-catalysis, ezifana nokusebenza kwe-adsorption, umsebenzi ongaphezulu, ukuqina okuhle kakhulu kokushisa, njll.