Air contains 21% oxygen, 78% nitrogen, 0.9% argon and 0.1% other trace gases. PSA oxygen generator uses zeolite molecular sieve as adsorbent. Use two containers with zeolite molecular sieves (two towers, four towers or six towers) as adsorbents, using the principle of pressure adsorption and decompression desorption to adsorb and release oxygen from the air, thereby separating the oxygen from the ...
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