IMPROVED AIR SEPARATION PRESSURE VARIABLE ADSORPTION METHOD

摘要

PURPOSE: To provide an improved pressure swing adsorption method capable of separating air at low power consumption. CONSTITUTION: Adsorption/desorption processes are carried out using low adsorption/desorption pressure ratio, together with special adsorbents capable of selectively adsorbing nitrogen at an upper adsorption pressure level and of readily releasing nitrogen for discharge at a lower desorption pressure level.