Faamoemoega: Carbon Molecular sieve o se adsorbent fou na atiina ae i le 1970s, o se mea sili ona lelei e le polar carbon, Carbon Molecular Sieves (CMS) faʻaaogaina e vavae ese ai le faʻatamaoaigaina o le ea, faʻaaogaina le vevela o le potu e maualalo le mamafa o le gaosiga o le nitrogen, nai lo le masani malulu malulu maualuga. fa'agaioiga o le nitrogen e itiiti le tau o tupe teu fa'afaigaluega, maualuga le gaosiga o le gaosiga o le gaosiga ma le tau maualalo.O le mea lea, o le fa'ainisinia fa'ainisinia o le fa'amanino fa'apipi'i adsorption (PSA) ea vavaeeseina nitrogen mauoa adsorbent, o lenei nitrogen ua fa'aaogaina lautele i vaila'au kemikolo, alamanuia suauu ma kasa, alamanuia tau eletise, alamanuia meaai, alamanuia koale, alamanuia pharmaceutical, alamanuia uaea, uamea. togafitiga vevela, felauaiga ma le teuina ma isi itu.