... angstroms and exclude those larger. Such adsorbable molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxyde and straight ... . n H2O Application : 1) Drying and removing of CO2 from natural gas, LPG, air, inert and athmospheric gases, etc 2) Removal of ... hydrocarbons, ammonia and methanol from gas streams (ammonia syn gas treating) 3) Special types are used in the ...