Cua yog siv los ua raw khoom, carbon molecular sieve yog siv raws li adsorbent, siab viav vias adsorption txoj cai yog siv, thiab nitrogen thiab oxygen yog sib cais los ntawm carbon molecular sieve' s xaiv adsorption ntawm oxygen thiab nitrogen.
Nws yog feem ntau hu ua PSA nitrogen ntau lawm. Txoj kev no yog ib qho tshiab nitrogen ntau lawm technology uas tsim sai heev nyob rau hauv lub xyoo 1970s.
