| abstract |
The present invention relates to a nitrogen selective adsorbent comprising an organic or inorganic hybrid nano-porous body having an unsaturated metal coordination site in a skeleton, surface or pore, a nitrogen separator from a nitrogen and methane-containing gas mixture comprising said nitrogen selective adsorbent, A method for separating nitrogen and methane from nitrogen and methane-containing mixed gas using the nitrogen selective adsorbent, a method for separating nitrogen and methane from the nitrogen adsorbent and the oxygen adsorbent, , An oxygen or argon separation apparatus, a first step of treating with the nitrogen adsorbent; Oxygen and / or argon from a mixed gas containing nitrogen, oxygen or argon, wherein the first step and the second step are carried out in sequence or in reverse order And a step of adsorbing the gas at an adsorption temperature of from -20 DEG C to 80 DEG C using the nitrogen adsorbent of the present invention to produce nitrogen or a separated high purity inert gas separated from the nitrogen and inert gas containing gas mixture ≪ / RTI > |