Ezitshalweni zokuhlukanisa umoya we-liquid, umkhiqizo wokuhlukaniswa komoya i-oxygen ewuketshezi noma i-nitrogen.Umgomo umi kanje: umoya ocindezelwe, opholile ngaphambili wethulwa kukholamu ukuze ubambe iqhaza ekulungiseni, H.2O kanye ne-CO2zikhishwa ngesihlungi se-molecular sieve, zipholiswe zibe izinga lokushisa elincibilikayo kusishintshi sokushisa esiphakathi nendawo, bese zingeniswa kukholamu ukuze zibambe iqhaza ekulungiseni.I-expander ephezulu nephansi yokushisa kanye ne-compressor ejikelezayo isetshenziselwa ukukhiqiza amandla abandayo ukuze kutholwe i-oksijini ewuketshezi kanye nemikhiqizo ye-nitrogen.
Izitshalo zokuhlukanisa umoya owuketshezi ngokuvamile zihlanganisa isihlungi somoya, isistimu yokupholisa umoya ngaphambi kwesikhathi, isistimu yokuhlanza isisefo samangqamuzana, isinwebi sokushisa esiphakeme nesiphansi, i-compressor ejikelezayo, isiqandisi se-cryogenic, isistimu yekholomu yokuhlukanisa, kanye nesistimu yokusekelayo.