Kwindawo yokulungiswa kwemichiza, i-PSA (Pressure Swing Adsorption) Iimpawu zeemolekyuli ziye zavela njengento ebalulekileyo yokumisa okusebenzayo kunye nokudlulisa. Ezi adsorbents ezikhethekileyo zenzelwe ukwahlula iigesi kunye nemiphunga kwimixube, ukwenza ukuba kubalulekile kwizicelo ezahlukeneyo ezisusela ekucocweni kwegesi ukuya kulawulo lokufuma. Iimbali ze-PSA zeemolekyuli zisebenza ikakhulu zisebenza