... in the separation of nitrogen equipment. Carbon molecular sieve of O2, N2 adsorption properties with the increase of adsorption pressure, ... make O2, N2 adsorption capacity also increases, and the adsorption of O2, the rate of increase to ... PSA cycle is short, O2, N2 adsorption far from equilibrium, so the O2, N2 diffusion rate difference that O2 adsorption capacity in a ...