Zeolite: lithium zeolite, zeolite 3A, 4A, 5A, 13X HP, ọ bụ karịsịa maka ịme oxygen.

Zeolite molecular sieves nwere mmetụta nkewa siri ike na nitrogen na oxygen.Ọ nwere nhazi na njirimara nke kristal, elu bụ ọkpụkpụ siri ike, na oghere dị n'ime ya nwere ike ịrụ ọrụ nke molecules adsorbing.Enwere pores ejikọrọ na ibe ha n'etiti oghere, na ụmụ irighiri ihe na-agafe na pores.N'ihi ọdịdị dị ọcha nke pores, oke nkesa pore nke sieve molecular bụ otu.Sives molekụla na-ahọrọ nke ọma na-agbakọta ụmụ irighiri ihe na-adabere n'otú oghere dị n'ime kristal ha, ya bụ, na-eme ka ụmụ irighiri ihe dị n'otu nha ma na-achụpụ ụmụ irighiri ihe ndị buru ibu.