Ndị na-emepụta ikuku oxygen nke ụlọ, e nwere ihe dị iche iche nke ikuku oxygen na-emepụta n'ahịa, n'ihi na ụkpụrụ nke mmepụta oxygen dị iche iche, njirimara eji eme ihe nke ikuku oxygen dị iche iche.Igwe ikuku oxygen nke ụlọ oxygen mmepụta ụkpụrụ: 1, ụkpụrụ sieve molecular;2. Ụkpụrụ nke polymer oxygen ọgaranya film;3, ụkpụrụ nke mmiri electrolytic;4. Ụkpụrụ nke mmepụta oxygen site na mmeghachi omume kemịkal.Na molikula sieve oxygen igwe bụ naanị tozuru okè, na mba ụkpụrụ na mba ụkpụrụ nke ikuku oxygen