Working principle of pressure swing adsorption (PSA) oxygen generator
Time：
Feb 18,2020
Pressure swing adsorption (PSA) oxygen generator is a zeolite molecular sieve as adsorbent, using the principle of pressure adsorption, pressure reduction desorption from the air adsorption release of nitrogen, so as to separate the oxygen automation equipment, zeolite molecular sieve is a kind of special hole processing technology, surface and internal covered with microporous spherical granular adsorbent, white. Its hole characteristics enable it to achieve, the kinetic separation of O₂ and N₂. The separation effect of zeolite molecular sieve on O₂ and N₂ is based on the small difference in the kinetic diameter of these two gases. N₂ molecules have a faster diffusion rate in the pores of zeolite molecular sieve, and the diffusion rate of O₂ molecules is slower. The diffusion of water and CO₂ in compressed air is not much different from that of nitrogen. The final enrichment from the adsorption tower is oxygen molecules.
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